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<p class='location'>Trait Future</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.Item">Item</a><a href="#associatedtype.Error">Error</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.poll">poll</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.wait">wait</a><a href="#method.map">map</a><a href="#method.map_err">map_err</a><a href="#method.from_err">from_err</a><a href="#method.then">then</a><a href="#method.and_then">and_then</a><a href="#method.or_else">or_else</a><a href="#method.select">select</a><a href="#method.select2">select2</a><a href="#method.join">join</a><a href="#method.join3">join3</a><a href="#method.join4">join4</a><a href="#method.join5">join5</a><a href="#method.into_stream">into_stream</a><a href="#method.flatten">flatten</a><a href="#method.flatten_stream">flatten_stream</a><a href="#method.fuse">fuse</a><a href="#method.inspect">inspect</a><a href="#method.catch_unwind">catch_unwind</a><a href="#method.shared">shared</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-Future">Option<F></a><a href="#impl-Future">AssertUnwindSafe<F></a><a href="#impl-Future">Box<F></a><a href="#impl-Future">&'a mut F</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>futures</a>::<wbr><a href='index.html'>future</a></p><script>window.sidebarCurrent = {name: 'Future', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<h1 class='fqn'><span class='in-band'>Trait <a href='../index.html'>futures</a>::<wbr><a href='index.html'>future</a>::<wbr><a class="trait" href=''>Future</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>−</span>]
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</span><a class='srclink' href='../../src/futures/future/mod.rs.html#177-1015' title='goto source code'>[src]</a></span></h1>
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<pre class='rust trait'>pub trait Future {
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type <a href='#associatedtype.Item' class="type">Item</a>;
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type <a href='#associatedtype.Error' class="type">Error</a>;
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fn <a href='#tymethod.poll' class='fnname'>poll</a>(&mut self) -> <a class="type" href="../../futures/type.Poll.html" title="type futures::Poll">Poll</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>;
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fn <a href='#method.wait' class='fnname'>wait</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>><br> <span class="where">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.map' class='fnname'>map</a><F, U>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Map.html" title="struct futures::future::Map">Map</a><Self, F><br> <span class="where">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> U,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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{ ... }
|
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<div class='item-spacer'></div> fn <a href='#method.map_err' class='fnname'>map_err</a><F, E>(self, f: F) -> <a class="struct" href="../../futures/future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Self, F><br> <span class="where">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> E,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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{ ... }
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<div class='item-spacer'></div> fn <a href='#method.from_err' class='fnname'>from_err</a><E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>>(self) -> <a class="struct" href="../../futures/future/struct.FromErr.html" title="struct futures::future::FromErr">FromErr</a><Self, E><br> <span class="where">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.then' class='fnname'>then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Then.html" title="struct futures::future::Then">Then</a><Self, B, F><br> <span class="where">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.and_then' class='fnname'>and_then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Self, B, F><br> <span class="where">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.or_else' class='fnname'>or_else</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Self, B, F><br> <span class="where">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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||
{ ... }
|
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<div class='item-spacer'></div> fn <a href='#method.select' class='fnname'>select</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select.html" title="struct futures::future::Select">Select</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>><br> <span class="where">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.select2' class='fnname'>select2</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select2.html" title="struct futures::future::Select2">Select2</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>><br> <span class="where">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.join' class='fnname'>join</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Join.html" title="struct futures::future::Join">Join</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>><br> <span class="where">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.join3' class='fnname'>join3</a><B, C>(self, b: B, c: C) -> <a class="struct" href="../../futures/future/struct.Join3.html" title="struct futures::future::Join3">Join3</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>><br> <span class="where">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.join4' class='fnname'>join4</a><B, C, D>(<br> self, <br> b: B, <br> c: C, <br> d: D<br> ) -> <a class="struct" href="../../futures/future/struct.Join4.html" title="struct futures::future::Join4">Join4</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>><br> <span class="where">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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||
{ ... }
|
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<div class='item-spacer'></div> fn <a href='#method.join5' class='fnname'>join5</a><B, C, D, E>(<br> self, <br> b: B, <br> c: C, <br> d: D, <br> e: E<br> ) -> <a class="struct" href="../../futures/future/struct.Join5.html" title="struct futures::future::Join5">Join5</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, E::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>><br> <span class="where">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> E: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.into_stream' class='fnname'>into_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.IntoStream.html" title="struct futures::future::IntoStream">IntoStream</a><Self><br> <span class="where">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.flatten' class='fnname'>flatten</a>(self) -> <a class="struct" href="../../futures/future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><Self><br> <span class="where">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> <Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.flatten_stream' class='fnname'>flatten_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.FlattenStream.html" title="struct futures::future::FlattenStream">FlattenStream</a><Self><br> <span class="where">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.fuse' class='fnname'>fuse</a>(self) -> <a class="struct" href="../../futures/future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Self><br> <span class="where">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
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||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.inspect' class='fnname'>inspect</a><F>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Self, F><br> <span class="where">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>),<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.catch_unwind' class='fnname'>catch_unwind</a>(self) -> <a class="struct" href="../../futures/future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Self><br> <span class="where">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a></span>,
|
||
{ ... }
|
||
<div class='item-spacer'></div> fn <a href='#method.shared' class='fnname'>shared</a>(self) -> <a class="struct" href="../../futures/future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Self><br> <span class="where">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
|
||
{ ... }
|
||
}</pre><div class='docblock'><p>Trait for types which are a placeholder of a value that may become
|
||
available at some later point in time.</p>
|
||
<p>In addition to the documentation here you can also find more information
|
||
about futures <a href="https://tokio.rs/docs/getting-started/futures/">online</a> at <a href="https://tokio.rs">https://tokio.rs</a></p>
|
||
<p>Futures are used to provide a sentinel through which a value can be
|
||
referenced. They crucially allow chaining and composing operations through
|
||
consumption which allows expressing entire trees of computation as one
|
||
sentinel value.</p>
|
||
<p>The ergonomics and implementation of the <code>Future</code> trait are very similar to
|
||
the <code>Iterator</code> trait in that there is just one methods you need
|
||
to implement, but you get a whole lot of others for free as a result.</p>
|
||
<h1 id="the-poll-method" class="section-header"><a href="#the-poll-method">The <code>poll</code> method</a></h1>
|
||
<p>The core method of future, <code>poll</code>, is used to attempt to generate the value
|
||
of a <code>Future</code>. This method <em>does not block</em> but is allowed to inform the
|
||
caller that the value is not ready yet. Implementations of <code>poll</code> may
|
||
themselves do work to generate the value, but it's guaranteed that this will
|
||
never block the calling thread.</p>
|
||
<p>A key aspect of this method is that if the value is not yet available the
|
||
current task is scheduled to receive a notification when it's later ready to
|
||
be made available. This follows what's typically known as a "readiness" or
|
||
"pull" model where values are pulled out of futures on demand, and
|
||
otherwise a task is notified when a value might be ready to get pulled out.</p>
|
||
<p>The <code>poll</code> method is not intended to be called in general, but rather is
|
||
typically called in the context of a "task" which drives a future to
|
||
completion. For more information on this see the <code>task</code> module.</p>
|
||
<p>More information about the details of <code>poll</code> and the nitty-gritty of tasks
|
||
can be <a href="https://tokio.rs/docs/going-deeper-futures/futures-model/">found online at tokio.rs</a>.</p>
|
||
<h1 id="combinators" class="section-header"><a href="#combinators">Combinators</a></h1>
|
||
<p>Like iterators, futures provide a large number of combinators to work with
|
||
futures to express computations in a much more natural method than
|
||
scheduling a number of callbacks. For example the <code>map</code> method can change
|
||
a <code>Future<Item=T></code> to a <code>Future<Item=U></code> or an <code>and_then</code> combinator could
|
||
create a future after the first one is done and only be resolved when the
|
||
second is done.</p>
|
||
<p>Combinators act very similarly to the methods on the <code>Iterator</code> trait itself
|
||
or those on <code>Option</code> and <code>Result</code>. Like with iterators, the combinators are
|
||
zero-cost and don't impose any extra layers of indirection you wouldn't
|
||
otherwise have to write down.</p>
|
||
<p>More information about combinators can be found <a href="https://tokio.rs/docs/going-deeper-futures/futures-mechanics/">on tokio.rs</a>.</p>
|
||
</div>
|
||
<h2 id='associated-types' class='small-section-header'>
|
||
Associated Types<a href='#associated-types' class='anchor'></a>
|
||
</h2>
|
||
<div class='methods'>
|
||
<h3 id='associatedtype.Item' class='method'><span id='Item.t' class='invisible'><code>type <a href='#associatedtype.Item' class="type">Item</a></code></span></h3><div class='docblock'><p>The type of value that this future will resolved with if it is
|
||
successful.</p>
|
||
</div><h3 id='associatedtype.Error' class='method'><span id='Error.t' class='invisible'><code>type <a href='#associatedtype.Error' class="type">Error</a></code></span></h3><div class='docblock'><p>The type of error that this future will resolve with if it fails in a
|
||
normal fashion.</p>
|
||
</div></div>
|
||
<h2 id='required-methods' class='small-section-header'>
|
||
Required Methods<a href='#required-methods' class='anchor'></a>
|
||
</h2>
|
||
<div class='methods'>
|
||
<h3 id='tymethod.poll' class='method'><span id='poll.v' class='invisible'><code>fn <a href='#tymethod.poll' class='fnname'>poll</a>(&mut self) -> <a class="type" href="../../futures/type.Poll.html" title="type futures::Poll">Poll</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>></code></span></h3><div class='docblock'><p>Query this future to see if its value has become available, registering
|
||
interest if it is not.</p>
|
||
<p>This function will check the internal state of the future and assess
|
||
whether the value is ready to be produced. Implementers of this function
|
||
should ensure that a call to this <strong>never blocks</strong> as event loops may
|
||
not work properly otherwise.</p>
|
||
<p>When a future is not ready yet, the <code>Async::NotReady</code> value will be
|
||
returned. In this situation the future will <em>also</em> register interest of
|
||
the current task in the value being produced. This is done by calling
|
||
<code>task::park</code> to retrieve a handle to the current <code>Task</code>. When the future
|
||
is then ready to make progress (e.g. it should be <code>poll</code>ed again) the
|
||
<code>unpark</code> method is called on the <code>Task</code>.</p>
|
||
<p>More information about the details of <code>poll</code> and the nitty-gritty of
|
||
tasks can be <a href="https://tokio.rs/docs/going-deeper-futures/futures-model/">found online at tokio.rs</a>.</p>
|
||
<h1 id="runtime-characteristics" class="section-header"><a href="#runtime-characteristics">Runtime characteristics</a></h1>
|
||
<p>This function, <code>poll</code>, is the primary method for 'making progress'
|
||
within a tree of futures. For example this method will be called
|
||
repeatedly as the internal state machine makes its various transitions.
|
||
Executors are responsible for ensuring that this function is called in
|
||
the right location (e.g. always on an I/O thread or not). Unless it is
|
||
otherwise arranged to be so, it should be ensured that <strong>implementations
|
||
of this function finish very quickly</strong>.</p>
|
||
<p>Returning quickly prevents unnecessarily clogging up threads and/or
|
||
event loops while a <code>poll</code> function call, for example, takes up compute
|
||
resources to perform some expensive computation. If it is known ahead
|
||
of time that a call to <code>poll</code> may end up taking awhile, the work should
|
||
be offloaded to a thread pool (or something similar) to ensure that
|
||
<code>poll</code> can return quickly.</p>
|
||
<p>Note that the <code>poll</code> function is not called repeatedly in a loop for
|
||
futures typically, but only whenever the future itself is ready. If
|
||
you're familiar with the <code>poll(2)</code> or <code>select(2)</code> syscalls on Unix
|
||
it's worth noting that futures typically do <em>not</em> suffer the same
|
||
problems of "all wakeups must poll all events". Futures have enough
|
||
support for only polling futures which cause a wakeup.</p>
|
||
<h1 id="return-value" class="section-header"><a href="#return-value">Return value</a></h1>
|
||
<p>This function returns <code>Async::NotReady</code> if the future is not ready yet,
|
||
<code>Err</code> if the future is finished but resolved to an error, or
|
||
<code>Async::Ready</code> with the result of this future if it's finished
|
||
successfully. Once a future has finished it is considered a contract
|
||
error to continue polling the future.</p>
|
||
<p>If <code>NotReady</code> is returned, then the future will internally register
|
||
interest in the value being produced for the current task (through
|
||
<code>task::park</code>). In other words, the current task will receive a
|
||
notification (through the <code>unpark</code> method) once the value is ready to be
|
||
produced or the future can make progress.</p>
|
||
<p>Note that if <code>NotReady</code> is returned it only means that <em>this</em> task will
|
||
receive a notification. Historical calls to <code>poll</code> with different tasks
|
||
will not receive notifications. In other words, implementers of the
|
||
<code>Future</code> trait need not store a queue of tasks to notify, but only the
|
||
last task that called this method. Alternatively callers of this method
|
||
can only rely on the most recent task which call <code>poll</code> being notified
|
||
when a future is ready.</p>
|
||
<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
|
||
<p>Once a future has completed (returned <code>Ready</code> or <code>Err</code> from <code>poll</code>),
|
||
then any future calls to <code>poll</code> may panic, block forever, or otherwise
|
||
cause wrong behavior. The <code>Future</code> trait itself provides no guarantees
|
||
about the behavior of <code>poll</code> after a future has completed.</p>
|
||
<p>Callers who may call <code>poll</code> too many times may want to consider using
|
||
the <code>fuse</code> adaptor which defines the behavior of <code>poll</code>, but comes with
|
||
a little bit of extra cost.</p>
|
||
<p>Additionally, calls to <code>poll</code> must always be made from within the
|
||
context of a task. If a current task is not set then this method will
|
||
likely panic.</p>
|
||
<h1 id="errors" class="section-header"><a href="#errors">Errors</a></h1>
|
||
<p>This future may have failed to finish the computation, in which case
|
||
the <code>Err</code> variant will be returned with an appropriate payload of an
|
||
error.</p>
|
||
</div></div>
|
||
<h2 id='provided-methods' class='small-section-header'>
|
||
Provided Methods<a href='#provided-methods' class='anchor'></a>
|
||
</h2>
|
||
<div class='methods'>
|
||
<h3 id='method.wait' class='method'><span id='wait.v' class='invisible'><code>fn <a href='#method.wait' class='fnname'>wait</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Block the current thread until this future is resolved.</p>
|
||
<p>This method will consume ownership of this future, driving it to
|
||
completion via <code>poll</code> and blocking the current thread while it's waiting
|
||
for the value to become available. Once the future is resolved the
|
||
result of this future is returned.</p>
|
||
<blockquote>
|
||
<p><strong>Note:</strong> This method is not appropriate to call on event loops or
|
||
similar I/O situations because it will prevent the event
|
||
loop from making progress (this blocks the thread). This
|
||
method should only be called when it's guaranteed that the
|
||
blocking work associated with this future will be completed
|
||
by another thread.</p>
|
||
</blockquote>
|
||
<p>This method is only available when the <code>use_std</code> feature of this
|
||
library is activated, and it is activated by default.</p>
|
||
<h1 id="panics-1" class="section-header"><a href="#panics-1">Panics</a></h1>
|
||
<p>This function does not attempt to catch panics. If the <code>poll</code> function
|
||
of this future panics, panics will be propagated to the caller.</p>
|
||
</div><h3 id='method.map' class='method'><span id='map.v' class='invisible'><code>fn <a href='#method.map' class='fnname'>map</a><F, U>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Map.html" title="struct futures::future::Map">Map</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> U,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Map this future's result to a different type, returning a new future of
|
||
the resulting type.</p>
|
||
<p>This function is similar to the <code>Option::map</code> or <code>Iterator::map</code> where
|
||
it will change the type of the underlying future. This is useful to
|
||
chain along a computation once a future has been resolved.</p>
|
||
<p>The closure provided will only be called if this future is resolved
|
||
successfully. If this future returns an error, panics, or is dropped,
|
||
then the closure provided will never be invoked.</p>
|
||
<p>Note that this function consumes the receiving future and returns a
|
||
wrapped version of it, similar to the existing <code>map</code> methods in the
|
||
standard library.</p>
|
||
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">new_future</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span> <span class="op">+</span> <span class="number">3</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">new_future</span>.<span class="ident">wait</span>(), <span class="prelude-val">Ok</span>(<span class="number">4</span>));</pre>
|
||
<p>Calling <code>map</code> on an errored <code>Future</code> has no effect:</p>
|
||
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">err</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">new_future</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span> <span class="op">+</span> <span class="number">3</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">new_future</span>.<span class="ident">wait</span>(), <span class="prelude-val">Err</span>(<span class="number">1</span>));</pre>
|
||
</div><h3 id='method.map_err' class='method'><span id='map_err.v' class='invisible'><code>fn <a href='#method.map_err' class='fnname'>map_err</a><F, E>(self, f: F) -> <a class="struct" href="../../futures/future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> E,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Map this future's error to a different error, returning a new future.</p>
|
||
<p>This function is similar to the <code>Result::map_err</code> where it will change
|
||
the error type of the underlying future. This is useful for example to
|
||
ensure that futures have the same error type when used with combinators
|
||
like <code>select</code> and <code>join</code>.</p>
|
||
<p>The closure provided will only be called if this future is resolved
|
||
with an error. If this future returns a success, panics, or is
|
||
dropped, then the closure provided will never be invoked.</p>
|
||
<p>Note that this function consumes the receiving future and returns a
|
||
wrapped version of it.</p>
|
||
<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::<span class="kw-2">*</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">err</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">new_future</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span> <span class="op">+</span> <span class="number">3</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">new_future</span>.<span class="ident">wait</span>(), <span class="prelude-val">Err</span>(<span class="number">4</span>));</pre>
|
||
<p>Calling <code>map_err</code> on a successful <code>Future</code> has no effect:</p>
|
||
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::<span class="kw-2">*</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">new_future</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span> <span class="op">+</span> <span class="number">3</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">new_future</span>.<span class="ident">wait</span>(), <span class="prelude-val">Ok</span>(<span class="number">1</span>));</pre>
|
||
</div><h3 id='method.from_err' class='method'><span id='from_err.v' class='invisible'><code>fn <a href='#method.from_err' class='fnname'>from_err</a><E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>>(self) -> <a class="struct" href="../../futures/future/struct.FromErr.html" title="struct futures::future::FromErr">FromErr</a><Self, E> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Map this future's error to any error implementing <code>From</code> for
|
||
this future's <code>Error</code>, returning a new future.</p>
|
||
<p>This function does for futures what <code>try!</code> does for <code>Result</code>,
|
||
by letting the compiler infer the type of the resulting error.
|
||
Just as <code>map_err</code> above, this is useful for example to ensure
|
||
that futures have the same error type when used with
|
||
combinators like <code>select</code> and <code>join</code>.</p>
|
||
<p>Note that this function consumes the receiving future and returns a
|
||
wrapped version of it.</p>
|
||
<h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future_with_err_u8</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">err</span>::<span class="op"><</span>(), <span class="ident">u8</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">future_with_err_u32</span> <span class="op">=</span> <span class="ident">future_with_err_u8</span>.<span class="ident">from_err</span>::<span class="op"><</span><span class="ident">u32</span><span class="op">></span>();</pre>
|
||
</div><h3 id='method.then' class='method'><span id='then.v' class='invisible'><code>fn <a href='#method.then' class='fnname'>then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Then.html" title="struct futures::future::Then">Then</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Chain on a computation for when a future finished, passing the result of
|
||
the future to the provided closure <code>f</code>.</p>
|
||
<p>This function can be used to ensure a computation runs regardless of
|
||
the conclusion of the future. The closure provided will be yielded a
|
||
<code>Result</code> once the future is complete.</p>
|
||
<p>The returned value of the closure must implement the <code>IntoFuture</code> trait
|
||
and can represent some more work to be done before the composed future
|
||
is finished. Note that the <code>Result</code> type implements the <code>IntoFuture</code>
|
||
trait so it is possible to simply alter the <code>Result</code> yielded to the
|
||
closure and return it.</p>
|
||
<p>If this future is dropped or panics then the closure <code>f</code> will not be
|
||
run.</p>
|
||
<p>Note that this function consumes the receiving future and returns a
|
||
wrapped version of it.</p>
|
||
<h1 id="examples-3" class="section-header"><a href="#examples-3">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future_of_1</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">future_of_4</span> <span class="op">=</span> <span class="ident">future_of_1</span>.<span class="ident">then</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> {
|
||
<span class="ident">x</span>.<span class="ident">map</span>(<span class="op">|</span><span class="ident">y</span><span class="op">|</span> <span class="ident">y</span> <span class="op">+</span> <span class="number">3</span>)
|
||
});
|
||
|
||
<span class="kw">let</span> <span class="ident">future_of_err_1</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">err</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">future_of_4</span> <span class="op">=</span> <span class="ident">future_of_err_1</span>.<span class="ident">then</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> {
|
||
<span class="kw">match</span> <span class="ident">x</span> {
|
||
<span class="prelude-val">Ok</span>(_) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">"expected an error"</span>),
|
||
<span class="prelude-val">Err</span>(<span class="ident">y</span>) <span class="op">=></span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="ident">y</span> <span class="op">+</span> <span class="number">3</span>),
|
||
}
|
||
});</pre>
|
||
</div><h3 id='method.and_then' class='method'><span id='and_then.v' class='invisible'><code>fn <a href='#method.and_then' class='fnname'>and_then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Execute another future after this one has resolved successfully.</p>
|
||
<p>This function can be used to chain two futures together and ensure that
|
||
the final future isn't resolved until both have finished. The closure
|
||
provided is yielded the successful result of this future and returns
|
||
another value which can be converted into a future.</p>
|
||
<p>Note that because <code>Result</code> implements the <code>IntoFuture</code> trait this method
|
||
can also be useful for chaining fallible and serial computations onto
|
||
the end of one future.</p>
|
||
<p>If this future is dropped, panics, or completes with an error then the
|
||
provided closure <code>f</code> is never called.</p>
|
||
<p>Note that this function consumes the receiving future and returns a
|
||
wrapped version of it.</p>
|
||
<h1 id="examples-4" class="section-header"><a href="#examples-4">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::{<span class="self">self</span>, <span class="ident">FutureResult</span>};
|
||
|
||
<span class="kw">let</span> <span class="ident">future_of_1</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">future_of_4</span> <span class="op">=</span> <span class="ident">future_of_1</span>.<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">x</span> <span class="op">+</span> <span class="number">3</span>)
|
||
});
|
||
|
||
<span class="kw">let</span> <span class="ident">future_of_err_1</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">err</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="ident">future_of_err_1</span>.<span class="ident">and_then</span>(<span class="op">|</span>_<span class="op">|</span> <span class="op">-></span> <span class="ident">FutureResult</span><span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span> {
|
||
<span class="macro">panic</span><span class="macro">!</span>(<span class="string">"should not be called in case of an error"</span>);
|
||
});</pre>
|
||
</div><h3 id='method.or_else' class='method'><span id='or_else.v' class='invisible'><code>fn <a href='#method.or_else' class='fnname'>or_else</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Execute another future if this one resolves with an error.</p>
|
||
<p>Return a future that passes along this future's value if it succeeds,
|
||
and otherwise passes the error to the closure <code>f</code> and waits for the
|
||
future it returns. The closure may also simply return a value that can
|
||
be converted into a future.</p>
|
||
<p>Note that because <code>Result</code> implements the <code>IntoFuture</code> trait this method
|
||
can also be useful for chaining together fallback computations, where
|
||
when one fails, the next is attempted.</p>
|
||
<p>If this future is dropped, panics, or completes successfully then the
|
||
provided closure <code>f</code> is never called.</p>
|
||
<p>Note that this function consumes the receiving future and returns a
|
||
wrapped version of it.</p>
|
||
<h1 id="examples-5" class="section-header"><a href="#examples-5">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::{<span class="self">self</span>, <span class="ident">FutureResult</span>};
|
||
|
||
<span class="kw">let</span> <span class="ident">future_of_err_1</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">err</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">future_of_4</span> <span class="op">=</span> <span class="ident">future_of_err_1</span>.<span class="ident">or_else</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">x</span> <span class="op">+</span> <span class="number">3</span>)
|
||
});
|
||
|
||
<span class="kw">let</span> <span class="ident">future_of_1</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="ident">future_of_1</span>.<span class="ident">or_else</span>(<span class="op">|</span>_<span class="op">|</span> <span class="op">-></span> <span class="ident">FutureResult</span><span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span> {
|
||
<span class="macro">panic</span><span class="macro">!</span>(<span class="string">"should not be called in case of success"</span>);
|
||
});</pre>
|
||
</div><h3 id='method.select' class='method'><span id='select.v' class='invisible'><code>fn <a href='#method.select' class='fnname'>select</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select.html" title="struct futures::future::Select">Select</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Waits for either one of two futures to complete.</p>
|
||
<p>This function will return a new future which awaits for either this or
|
||
the <code>other</code> future to complete. The returned future will finish with
|
||
both the value resolved and a future representing the completion of the
|
||
other work. Both futures must have the same item and error type.</p>
|
||
<p>Note that this function consumes the receiving futures and returns a
|
||
wrapped version of them.</p>
|
||
<h1 id="examples-6" class="section-header"><a href="#examples-6">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">thread</span>;
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future1</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">lazy</span>(<span class="op">||</span> {
|
||
<span class="ident">thread</span>::<span class="ident">sleep</span>(<span class="ident">time</span>::<span class="ident">Duration</span>::<span class="ident">from_secs</span>(<span class="number">5</span>));
|
||
<span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">char</span>, ()<span class="op">></span>(<span class="string">'a'</span>)
|
||
});
|
||
|
||
<span class="kw">let</span> <span class="ident">future2</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">lazy</span>(<span class="op">||</span> {
|
||
<span class="ident">thread</span>::<span class="ident">sleep</span>(<span class="ident">time</span>::<span class="ident">Duration</span>::<span class="ident">from_secs</span>(<span class="number">3</span>));
|
||
<span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">char</span>, ()<span class="op">></span>(<span class="string">'b'</span>)
|
||
});
|
||
|
||
<span class="kw">let</span> (<span class="ident">value</span>, <span class="ident">last_future</span>) <span class="op">=</span> <span class="ident">future1</span>.<span class="ident">select</span>(<span class="ident">future2</span>).<span class="ident">wait</span>().<span class="ident">ok</span>().<span class="ident">unwrap</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">value</span>, <span class="string">'a'</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">last_future</span>.<span class="ident">wait</span>().<span class="ident">unwrap</span>(), <span class="string">'b'</span>);</pre>
|
||
<p>A poor-man's <code>join</code> implemented on top of <code>select</code>:</p>
|
||
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">join</span><span class="op"><</span><span class="ident">A</span><span class="op">></span>(<span class="ident">a</span>: <span class="ident">A</span>, <span class="ident">b</span>: <span class="ident">A</span>) <span class="op">-></span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span><span class="op">=</span>(<span class="ident">u32</span>, <span class="ident">u32</span>), <span class="ident">Error</span><span class="op">=</span><span class="ident">u32</span><span class="op">>></span>
|
||
<span class="kw">where</span> <span class="ident">A</span>: <span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">u32</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">u32</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
{
|
||
<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">a</span>.<span class="ident">select</span>(<span class="ident">b</span>).<span class="ident">then</span>(<span class="op">|</span><span class="ident">res</span><span class="op">|</span> <span class="op">-></span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span><span class="op">=</span>_, <span class="ident">Error</span><span class="op">=</span>_<span class="op">>></span> {
|
||
<span class="kw">match</span> <span class="ident">res</span> {
|
||
<span class="prelude-val">Ok</span>((<span class="ident">a</span>, <span class="ident">b</span>)) <span class="op">=></span> <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">b</span>.<span class="ident">map</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">b</span><span class="op">|</span> (<span class="ident">a</span>, <span class="ident">b</span>))),
|
||
<span class="prelude-val">Err</span>((<span class="ident">a</span>, _)) <span class="op">=></span> <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">future</span>::<span class="ident">err</span>(<span class="ident">a</span>)),
|
||
}
|
||
}))
|
||
}</pre>
|
||
</div><h3 id='method.select2' class='method'><span id='select2.v' class='invisible'><code>fn <a href='#method.select2' class='fnname'>select2</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select2.html" title="struct futures::future::Select2">Select2</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Waits for either one of two differently-typed futures to complete.</p>
|
||
<p>This function will return a new future which awaits for either this or
|
||
the <code>other</code> future to complete. The returned future will finish with
|
||
both the value resolved and a future representing the completion of the
|
||
other work.</p>
|
||
<p>Note that this function consumes the receiving futures and returns a
|
||
wrapped version of them.</p>
|
||
<p>Also note that if both this and the second future have the same
|
||
success/error type you can use the <code>Either::split</code> method to
|
||
conveniently extract out the value at the end.</p>
|
||
<h1 id="examples-7" class="section-header"><a href="#examples-7">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::{<span class="self">self</span>, <span class="ident">Either</span>};
|
||
|
||
<span class="comment">// A poor-man's join implemented on top of select2</span>
|
||
|
||
<span class="kw">fn</span> <span class="ident">join</span><span class="op"><</span><span class="ident">A</span>, <span class="ident">B</span>, <span class="ident">E</span><span class="op">></span>(<span class="ident">a</span>: <span class="ident">A</span>, <span class="ident">b</span>: <span class="ident">B</span>) <span class="op">-></span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span><span class="op">=</span>(<span class="ident">A</span>::<span class="ident">Item</span>, <span class="ident">B</span>::<span class="ident">Item</span>), <span class="ident">Error</span><span class="op">=</span><span class="ident">E</span><span class="op">>></span>
|
||
<span class="kw">where</span> <span class="ident">A</span>: <span class="ident">Future</span><span class="op"><</span><span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">B</span>: <span class="ident">Future</span><span class="op"><</span><span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">E</span>: <span class="lifetime">'static</span>,
|
||
{
|
||
<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">a</span>.<span class="ident">select2</span>(<span class="ident">b</span>).<span class="ident">then</span>(<span class="op">|</span><span class="ident">res</span><span class="op">|</span> <span class="op">-></span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span><span class="op">=</span>_, <span class="ident">Error</span><span class="op">=</span>_<span class="op">>></span> {
|
||
<span class="kw">match</span> <span class="ident">res</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Either</span>::<span class="ident">A</span>((<span class="ident">x</span>, <span class="ident">b</span>))) <span class="op">=></span> <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">b</span>.<span class="ident">map</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">y</span><span class="op">|</span> (<span class="ident">x</span>, <span class="ident">y</span>))),
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Either</span>::<span class="ident">B</span>((<span class="ident">y</span>, <span class="ident">a</span>))) <span class="op">=></span> <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">a</span>.<span class="ident">map</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">x</span><span class="op">|</span> (<span class="ident">x</span>, <span class="ident">y</span>))),
|
||
<span class="prelude-val">Err</span>(<span class="ident">Either</span>::<span class="ident">A</span>((<span class="ident">e</span>, _))) <span class="op">=></span> <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">future</span>::<span class="ident">err</span>(<span class="ident">e</span>)),
|
||
<span class="prelude-val">Err</span>(<span class="ident">Either</span>::<span class="ident">B</span>((<span class="ident">e</span>, _))) <span class="op">=></span> <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">future</span>::<span class="ident">err</span>(<span class="ident">e</span>)),
|
||
}
|
||
}))
|
||
}</pre>
|
||
</div><h3 id='method.join' class='method'><span id='join.v' class='invisible'><code>fn <a href='#method.join' class='fnname'>join</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Join.html" title="struct futures::future::Join">Join</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Joins the result of two futures, waiting for them both to complete.</p>
|
||
<p>This function will return a new future which awaits both this and the
|
||
<code>other</code> future to complete. The returned future will finish with a tuple
|
||
of both results.</p>
|
||
<p>Both futures must have the same error type, and if either finishes with
|
||
an error then the other will be dropped and that error will be
|
||
returned.</p>
|
||
<p>Note that this function consumes the receiving future and returns a
|
||
wrapped version of it.</p>
|
||
<h1 id="examples-8" class="section-header"><a href="#examples-8">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">2</span>);
|
||
<span class="kw">let</span> <span class="ident">pair</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">join</span>(<span class="ident">b</span>);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">pair</span>.<span class="ident">wait</span>(), <span class="prelude-val">Ok</span>((<span class="number">1</span>, <span class="number">2</span>)));</pre>
|
||
<p>If one or both of the joined <code>Future</code>s is errored, the resulting
|
||
<code>Future</code> will be errored:</p>
|
||
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">err</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">2</span>);
|
||
<span class="kw">let</span> <span class="ident">pair</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">join</span>(<span class="ident">b</span>);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">pair</span>.<span class="ident">wait</span>(), <span class="prelude-val">Err</span>(<span class="number">2</span>));</pre>
|
||
</div><h3 id='method.join3' class='method'><span id='join3.v' class='invisible'><code>fn <a href='#method.join3' class='fnname'>join3</a><B, C>(self, b: B, c: C) -> <a class="struct" href="../../futures/future/struct.Join3.html" title="struct futures::future::Join3">Join3</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Same as <code>join</code>, but with more futures.</p>
|
||
</div><h3 id='method.join4' class='method'><span id='join4.v' class='invisible'><code>fn <a href='#method.join4' class='fnname'>join4</a><B, C, D>(<br> self, <br> b: B, <br> c: C, <br> d: D<br>) -> <a class="struct" href="../../futures/future/struct.Join4.html" title="struct futures::future::Join4">Join4</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Same as <code>join</code>, but with more futures.</p>
|
||
</div><h3 id='method.join5' class='method'><span id='join5.v' class='invisible'><code>fn <a href='#method.join5' class='fnname'>join5</a><B, C, D, E>(<br> self, <br> b: B, <br> c: C, <br> d: D, <br> e: E<br>) -> <a class="struct" href="../../futures/future/struct.Join5.html" title="struct futures::future::Join5">Join5</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, E::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> E: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Same as <code>join</code>, but with more futures.</p>
|
||
</div><h3 id='method.into_stream' class='method'><span id='into_stream.v' class='invisible'><code>fn <a href='#method.into_stream' class='fnname'>into_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.IntoStream.html" title="struct futures::future::IntoStream">IntoStream</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Convert this future into a single element stream.</p>
|
||
<p>The returned stream contains single success if this future resolves to
|
||
success or single error if this future resolves into error.</p>
|
||
<h1 id="examples-9" class="section-header"><a href="#examples-9">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span>_, <span class="ident">bool</span><span class="op">></span>(<span class="number">17</span>);
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">into_stream</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="number">17</span>))), <span class="ident">stream</span>.<span class="ident">poll</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>)), <span class="ident">stream</span>.<span class="ident">poll</span>());
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">err</span>::<span class="op"><</span><span class="ident">bool</span>, _<span class="op">></span>(<span class="number">19</span>);
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">into_stream</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Err</span>(<span class="number">19</span>), <span class="ident">stream</span>.<span class="ident">poll</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>)), <span class="ident">stream</span>.<span class="ident">poll</span>());</pre>
|
||
</div><h3 id='method.flatten' class='method'><span id='flatten.v' class='invisible'><code>fn <a href='#method.flatten' class='fnname'>flatten</a>(self) -> <a class="struct" href="../../futures/future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> <Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Flatten the execution of this future when the successful result of this
|
||
future is itself another future.</p>
|
||
<p>This can be useful when combining futures together to flatten the
|
||
computation out the final result. This method can only be called
|
||
when the successful result of this future itself implements the
|
||
<code>IntoFuture</code> trait and the error can be created from this future's error
|
||
type.</p>
|
||
<p>This method is roughly equivalent to <code>self.and_then(|x| x)</code>.</p>
|
||
<p>Note that this function consumes the receiving future and returns a
|
||
wrapped version of it.</p>
|
||
<h1 id="examples-10" class="section-header"><a href="#examples-10">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">nested_future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span>_, <span class="ident">u32</span><span class="op">></span>(<span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>));
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">nested_future</span>.<span class="ident">flatten</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">wait</span>(), <span class="prelude-val">Ok</span>(<span class="number">1</span>));</pre>
|
||
<p>Calling <code>flatten</code> on an errored <code>Future</code>, or if the inner <code>Future</code> is
|
||
errored, will result in an errored <code>Future</code>:</p>
|
||
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">nested_future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span>_, <span class="ident">u32</span><span class="op">></span>(<span class="ident">future</span>::<span class="ident">err</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>));
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">nested_future</span>.<span class="ident">flatten</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">wait</span>(), <span class="prelude-val">Err</span>(<span class="number">1</span>));</pre>
|
||
</div><h3 id='method.flatten_stream' class='method'><span id='flatten_stream.v' class='invisible'><code>fn <a href='#method.flatten_stream' class='fnname'>flatten_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.FlattenStream.html" title="struct futures::future::FlattenStream">FlattenStream</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Flatten the execution of this future when the successful result of this
|
||
future is a stream.</p>
|
||
<p>This can be useful when stream initialization is deferred, and it is
|
||
convenient to work with that stream as if stream was available at the
|
||
call site.</p>
|
||
<p>Note that this function consumes this future and returns a wrapped
|
||
version of it.</p>
|
||
<h1 id="examples-11" class="section-header"><a href="#examples-11">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">stream</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">stream_items</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">17</span>, <span class="number">18</span>, <span class="number">19</span>];
|
||
<span class="kw">let</span> <span class="ident">future_of_a_stream</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span>_, <span class="ident">bool</span><span class="op">></span>(<span class="ident">stream</span>::<span class="ident">iter_ok</span>(<span class="ident">stream_items</span>));
|
||
|
||
<span class="kw">let</span> <span class="ident">stream</span> <span class="op">=</span> <span class="ident">future_of_a_stream</span>.<span class="ident">flatten_stream</span>();
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">iter</span> <span class="op">=</span> <span class="ident">stream</span>.<span class="ident">wait</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Ok</span>(<span class="number">17</span>), <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Ok</span>(<span class="number">18</span>), <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Ok</span>(<span class="number">19</span>), <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">None</span>, <span class="ident">iter</span>.<span class="ident">next</span>());</pre>
|
||
</div><h3 id='method.fuse' class='method'><span id='fuse.v' class='invisible'><code>fn <a href='#method.fuse' class='fnname'>fuse</a>(self) -> <a class="struct" href="../../futures/future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Fuse a future such that <code>poll</code> will never again be called once it has
|
||
completed.</p>
|
||
<p>Currently once a future has returned <code>Ready</code> or <code>Err</code> from
|
||
<code>poll</code> any further calls could exhibit bad behavior such as blocking
|
||
forever, panicking, never returning, etc. If it is known that <code>poll</code>
|
||
may be called too often then this method can be used to ensure that it
|
||
has defined semantics.</p>
|
||
<p>Once a future has been <code>fuse</code>d and it returns a completion from <code>poll</code>,
|
||
then it will forever return <code>NotReady</code> from <code>poll</code> again (never
|
||
resolve). This, unlike the trait's <code>poll</code> method, is guaranteed.</p>
|
||
<p>This combinator will drop this future as soon as it's been completed to
|
||
ensure resources are reclaimed as soon as possible.</p>
|
||
<h1 id="examples-12" class="section-header"><a href="#examples-12">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">i32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">2</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">poll</span>(), <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="number">2</span>)));
|
||
|
||
<span class="comment">// Normally, a call such as this would panic:</span>
|
||
<span class="comment">//future.poll();</span>
|
||
|
||
<span class="comment">// This, however, is guaranteed to not panic</span>
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">i32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">2</span>).<span class="ident">fuse</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">poll</span>(), <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="number">2</span>)));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">poll</span>(), <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>));</pre>
|
||
</div><h3 id='method.inspect' class='method'><span id='inspect.v' class='invisible'><code>fn <a href='#method.inspect' class='fnname'>inspect</a><F>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>),<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Do something with the item of a future, passing it on.</p>
|
||
<p>When using futures, you'll often chain several of them together.
|
||
While working on such code, you might want to check out what's happening at
|
||
various parts in the pipeline. To do that, insert a call to inspect().</p>
|
||
<h1 id="examples-13" class="section-header"><a href="#examples-13">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">new_future</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">inspect</span>(<span class="op">|</span><span class="kw-2">&</span><span class="ident">x</span><span class="op">|</span> <span class="macro">println</span><span class="macro">!</span>(<span class="string">"about to resolve: {}"</span>, <span class="ident">x</span>));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">new_future</span>.<span class="ident">wait</span>(), <span class="prelude-val">Ok</span>(<span class="number">1</span>));</pre>
|
||
</div><h3 id='method.catch_unwind' class='method'><span id='catch_unwind.v' class='invisible'><code>fn <a href='#method.catch_unwind' class='fnname'>catch_unwind</a>(self) -> <a class="struct" href="../../futures/future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></code></span></h3><div class='docblock'><p>Catches unwinding panics while polling the future.</p>
|
||
<p>In general, panics within a future can propagate all the way out to the
|
||
task level. This combinator makes it possible to halt unwinding within
|
||
the future itself. It's most commonly used within task executors. It's
|
||
not recommended to use this for error handling.</p>
|
||
<p>Note that this method requires the <code>UnwindSafe</code> bound from the standard
|
||
library. This isn't always applied automatically, and the standard
|
||
library provides an <code>AssertUnwindSafe</code> wrapper type to apply it
|
||
after-the fact. To assist using this method, the <code>Future</code> trait is also
|
||
implemented for <code>AssertUnwindSafe<F></code> where <code>F</code> implements <code>Future</code>.</p>
|
||
<p>This method is only available when the <code>use_std</code> feature of this
|
||
library is activated, and it is activated by default.</p>
|
||
<h1 id="examples-14" class="section-header"><a href="#examples-14">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::{<span class="self">self</span>, <span class="ident">FutureResult</span>};
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">i32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">2</span>);
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">catch_unwind</span>().<span class="ident">wait</span>().<span class="ident">is_ok</span>());
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">lazy</span>(<span class="op">||</span> <span class="op">-></span> <span class="ident">FutureResult</span><span class="op"><</span><span class="ident">i32</span>, <span class="ident">u32</span><span class="op">></span> {
|
||
<span class="macro">panic</span><span class="macro">!</span>();
|
||
<span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span><span class="ident">i32</span>, <span class="ident">u32</span><span class="op">></span>(<span class="number">2</span>)
|
||
});
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">catch_unwind</span>().<span class="ident">wait</span>().<span class="ident">is_err</span>());</pre>
|
||
</div><h3 id='method.shared' class='method'><span id='shared.v' class='invisible'><code>fn <a href='#method.shared' class='fnname'>shared</a>(self) -> <a class="struct" href="../../futures/future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span></h3><div class='docblock'><p>Create a cloneable handle to this future where all handles will resolve
|
||
to the same result.</p>
|
||
<p>The shared() method provides a method to convert any future into a
|
||
cloneable future. It enables a future to be polled by multiple threads.</p>
|
||
<p>The returned <code>Shared</code> future resolves successfully with
|
||
<code>SharedItem<Self::Item></code> or erroneously with <code>SharedError<Self::Error></code>.
|
||
Both <code>SharedItem</code> and <code>SharedError</code> implements <code>Deref</code> to allow shared
|
||
access to the underlying result. Ownership of <code>Self::Item</code> and
|
||
<code>Self::Error</code> cannot currently be reclaimed.</p>
|
||
<p>This method is only available when the <code>use_std</code> feature of this
|
||
library is activated, and it is activated by default.</p>
|
||
<h1 id="examples-15" class="section-header"><a href="#examples-15">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span>_, <span class="ident">bool</span><span class="op">></span>(<span class="number">6</span>);
|
||
<span class="kw">let</span> <span class="ident">shared1</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">shared</span>();
|
||
<span class="kw">let</span> <span class="ident">shared2</span> <span class="op">=</span> <span class="ident">shared1</span>.<span class="ident">clone</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">6</span>, <span class="kw-2">*</span><span class="ident">shared1</span>.<span class="ident">wait</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">6</span>, <span class="kw-2">*</span><span class="ident">shared2</span>.<span class="ident">wait</span>().<span class="ident">unwrap</span>());</pre>
|
||
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">thread</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op"><</span>_, <span class="ident">bool</span><span class="op">></span>(<span class="number">6</span>);
|
||
<span class="kw">let</span> <span class="ident">shared1</span> <span class="op">=</span> <span class="ident">future</span>.<span class="ident">shared</span>();
|
||
<span class="kw">let</span> <span class="ident">shared2</span> <span class="op">=</span> <span class="ident">shared1</span>.<span class="ident">clone</span>();
|
||
<span class="kw">let</span> <span class="ident">join_handle</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span> <span class="op">||</span> {
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">6</span>, <span class="kw-2">*</span><span class="ident">shared2</span>.<span class="ident">wait</span>().<span class="ident">unwrap</span>());
|
||
});
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">6</span>, <span class="kw-2">*</span><span class="ident">shared1</span>.<span class="ident">wait</span>().<span class="ident">unwrap</span>());
|
||
<span class="ident">join_handle</span>.<span class="ident">join</span>().<span class="ident">unwrap</span>();</pre>
|
||
</div></div>
|
||
<h2 id='foreign-impls' class='small-section-header'>
|
||
Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a>
|
||
</h2>
|
||
<h3 id='impl-Future' class='impl'><span class='in-band'><code>impl<F, T, E> <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><F> <span class="where fmt-newline">where<br> F: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Item = T, Error = E>, </span></code><a href='#impl-Future' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/option.rs.html#5-15' title='goto source code'>[src]</a></span></h3>
|
||
<span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Item-1' class="type"><span id='Item.t-1' class='invisible'><code>type <a href='#associatedtype.Item' class="type">Item</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><T></code></span></h4>
|
||
<h4 id='associatedtype.Error-1' class="type"><span id='Error.t-1' class='invisible'><code>type <a href='#associatedtype.Error' class="type">Error</a> = E</code></span></h4>
|
||
<h4 id='method.poll' class="method"><span id='poll.v-1' class='invisible'><code>fn <a href='#method.poll' class='fnname'>poll</a>(&mut self) -> <a class="type" href="../../futures/type.Poll.html" title="type futures::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><T>, E></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/option.rs.html#9-14' title='goto source code'>[src]</a></span></h4>
|
||
<h4 id='method.wait-1' class="method"><span id='wait.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.wait' class='fnname'>wait</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#296-300' title='goto source code'>[src]</a></span></h4>
|
||
<h4 id='method.map-1' class="method"><span id='map.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.map' class='fnname'>map</a><F, U>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Map.html" title="struct futures::future::Map">Map</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> U,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#370-375' title='goto source code'>[src]</a></span></h4>
|
||
<h4 id='method.map_err-1' class="method"><span id='map_err.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.map_err' class='fnname'>map_err</a><F, E>(self, f: F) -> <a class="struct" href="../../futures/future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> E,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#410-415' title='goto source code'>[src]</a></span></h4>
|
||
<h4 id='method.from_err-1' class="method"><span id='from_err.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.from_err' class='fnname'>from_err</a><E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>>(self) -> <a class="struct" href="../../futures/future/struct.FromErr.html" title="struct futures::future::FromErr">FromErr</a><Self, E> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#440-444' title='goto source code'>[src]</a></span></h4>
|
||
<h4 id='method.then-1' class="method"><span id='then.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.then' class='fnname'>then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Then.html" title="struct futures::future::Then">Then</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#484-490' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.and_then-1' class="method"><span id='and_then.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.and_then' class='fnname'>and_then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#525-531' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.or_else-1' class="method"><span id='or_else.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.or_else' class='fnname'>or_else</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#566-572' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.select-1' class="method"><span id='select.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.select' class='fnname'>select</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select.html" title="struct futures::future::Select">Select</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#624-631' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.select2-1' class="method"><span id='select2.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.select2' class='fnname'>select2</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select2.html" title="struct futures::future::Select2">Select2</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#670-674' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join-1' class="method"><span id='join.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join' class='fnname'>join</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Join.html" title="struct futures::future::Join">Join</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#715-721' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join3-1' class="method"><span id='join3.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join3' class='fnname'>join3</a><B, C>(self, b: B, c: C) -> <a class="struct" href="../../futures/future/struct.Join3.html" title="struct futures::future::Join3">Join3</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#724-730' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join4-1' class="method"><span id='join4.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join4' class='fnname'>join4</a><B, C, D>(<br> self, <br> b: B, <br> c: C, <br> d: D<br>) -> <a class="struct" href="../../futures/future/struct.Join4.html" title="struct futures::future::Join4">Join4</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#733-741' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join5-1' class="method"><span id='join5.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join5' class='fnname'>join5</a><B, C, D, E>(<br> self, <br> b: B, <br> c: C, <br> d: D, <br> e: E<br>) -> <a class="struct" href="../../futures/future/struct.Join5.html" title="struct futures::future::Join5">Join5</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, E::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> E: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#744-754' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.into_stream-1' class="method"><span id='into_stream.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.into_stream' class='fnname'>into_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.IntoStream.html" title="struct futures::future::IntoStream">IntoStream</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#777-781' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.flatten-1' class="method"><span id='flatten.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.flatten' class='fnname'>flatten</a>(self) -> <a class="struct" href="../../futures/future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> <Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#819-829' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.flatten_stream-1' class="method"><span id='flatten_stream.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.flatten_stream' class='fnname'>flatten_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.FlattenStream.html" title="struct futures::future::FlattenStream">FlattenStream</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#859-864' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.fuse-1' class="method"><span id='fuse.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.fuse' class='fnname'>fuse</a>(self) -> <a class="struct" href="../../futures/future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#899-904' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.inspect-1' class="method"><span id='inspect.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.inspect' class='fnname'>inspect</a><F>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>),<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#922-927' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.catch_unwind-1' class="method"><span id='catch_unwind.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.catch_unwind' class='fnname'>catch_unwind</a>(self) -> <a class="struct" href="../../futures/future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#961-965' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.shared-1' class="method"><span id='shared.v-1' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.shared' class='fnname'>shared</a>(self) -> <a class="struct" href="../../futures/future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#1010-1014' title='goto source code'>[src]</a></span></h4>
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</div></span><h3 id='impl-Future-1' class='impl'><span class='in-band'><code>impl<F: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>> <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/std/panic/struct.AssertUnwindSafe.html" title="struct std::panic::AssertUnwindSafe">AssertUnwindSafe</a><F></code><a href='#impl-Future-1' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/catch_unwind.rs.html#44-51' title='goto source code'>[src]</a></span></h3>
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<span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Item-2' class="type"><span id='Item.t-2' class='invisible'><code>type <a href='#associatedtype.Item' class="type">Item</a> = F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a></code></span></h4>
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<h4 id='associatedtype.Error-2' class="type"><span id='Error.t-2' class='invisible'><code>type <a href='#associatedtype.Error' class="type">Error</a> = F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a></code></span></h4>
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<h4 id='method.poll-1' class="method"><span id='poll.v-2' class='invisible'><code>fn <a href='#method.poll' class='fnname'>poll</a>(&mut self) -> <a class="type" href="../../futures/type.Poll.html" title="type futures::Poll">Poll</a><F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/catch_unwind.rs.html#48-50' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.wait-2' class="method"><span id='wait.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.wait' class='fnname'>wait</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#296-300' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.map-2' class="method"><span id='map.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.map' class='fnname'>map</a><F, U>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Map.html" title="struct futures::future::Map">Map</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> U,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#370-375' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.map_err-2' class="method"><span id='map_err.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.map_err' class='fnname'>map_err</a><F, E>(self, f: F) -> <a class="struct" href="../../futures/future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> E,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#410-415' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.from_err-2' class="method"><span id='from_err.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.from_err' class='fnname'>from_err</a><E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>>(self) -> <a class="struct" href="../../futures/future/struct.FromErr.html" title="struct futures::future::FromErr">FromErr</a><Self, E> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#440-444' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.then-2' class="method"><span id='then.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.then' class='fnname'>then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Then.html" title="struct futures::future::Then">Then</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#484-490' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.and_then-2' class="method"><span id='and_then.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.and_then' class='fnname'>and_then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#525-531' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.or_else-2' class="method"><span id='or_else.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.or_else' class='fnname'>or_else</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#566-572' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.select-2' class="method"><span id='select.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.select' class='fnname'>select</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select.html" title="struct futures::future::Select">Select</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#624-631' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.select2-2' class="method"><span id='select2.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.select2' class='fnname'>select2</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select2.html" title="struct futures::future::Select2">Select2</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#670-674' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join-2' class="method"><span id='join.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join' class='fnname'>join</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Join.html" title="struct futures::future::Join">Join</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#715-721' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join3-2' class="method"><span id='join3.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join3' class='fnname'>join3</a><B, C>(self, b: B, c: C) -> <a class="struct" href="../../futures/future/struct.Join3.html" title="struct futures::future::Join3">Join3</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#724-730' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join4-2' class="method"><span id='join4.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join4' class='fnname'>join4</a><B, C, D>(<br> self, <br> b: B, <br> c: C, <br> d: D<br>) -> <a class="struct" href="../../futures/future/struct.Join4.html" title="struct futures::future::Join4">Join4</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#733-741' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join5-2' class="method"><span id='join5.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join5' class='fnname'>join5</a><B, C, D, E>(<br> self, <br> b: B, <br> c: C, <br> d: D, <br> e: E<br>) -> <a class="struct" href="../../futures/future/struct.Join5.html" title="struct futures::future::Join5">Join5</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, E::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> E: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#744-754' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.into_stream-2' class="method"><span id='into_stream.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.into_stream' class='fnname'>into_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.IntoStream.html" title="struct futures::future::IntoStream">IntoStream</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#777-781' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.flatten-2' class="method"><span id='flatten.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.flatten' class='fnname'>flatten</a>(self) -> <a class="struct" href="../../futures/future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> <Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#819-829' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.flatten_stream-2' class="method"><span id='flatten_stream.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.flatten_stream' class='fnname'>flatten_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.FlattenStream.html" title="struct futures::future::FlattenStream">FlattenStream</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#859-864' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.fuse-2' class="method"><span id='fuse.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.fuse' class='fnname'>fuse</a>(self) -> <a class="struct" href="../../futures/future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#899-904' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.inspect-2' class="method"><span id='inspect.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.inspect' class='fnname'>inspect</a><F>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>),<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#922-927' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.catch_unwind-2' class="method"><span id='catch_unwind.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.catch_unwind' class='fnname'>catch_unwind</a>(self) -> <a class="struct" href="../../futures/future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#961-965' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.shared-2' class="method"><span id='shared.v-2' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.shared' class='fnname'>shared</a>(self) -> <a class="struct" href="../../futures/future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#1010-1014' title='goto source code'>[src]</a></span></h4>
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</div></span><h3 id='impl-Future-2' class='impl'><span class='in-band'><code>impl<F: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>> <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><F></code><a href='#impl-Future-2' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#108-115' title='goto source code'>[src]</a></span></h3>
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<span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Item-3' class="type"><span id='Item.t-3' class='invisible'><code>type <a href='#associatedtype.Item' class="type">Item</a> = F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a></code></span></h4>
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<h4 id='associatedtype.Error-3' class="type"><span id='Error.t-3' class='invisible'><code>type <a href='#associatedtype.Error' class="type">Error</a> = F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a></code></span></h4>
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<h4 id='method.poll-2' class="method"><span id='poll.v-3' class='invisible'><code>fn <a href='#method.poll' class='fnname'>poll</a>(&mut self) -> <a class="type" href="../../futures/type.Poll.html" title="type futures::Poll">Poll</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#112-114' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.wait-3' class="method"><span id='wait.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.wait' class='fnname'>wait</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#296-300' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.map-3' class="method"><span id='map.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.map' class='fnname'>map</a><F, U>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Map.html" title="struct futures::future::Map">Map</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> U,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#370-375' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.map_err-3' class="method"><span id='map_err.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.map_err' class='fnname'>map_err</a><F, E>(self, f: F) -> <a class="struct" href="../../futures/future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> E,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#410-415' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.from_err-3' class="method"><span id='from_err.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.from_err' class='fnname'>from_err</a><E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>>(self) -> <a class="struct" href="../../futures/future/struct.FromErr.html" title="struct futures::future::FromErr">FromErr</a><Self, E> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#440-444' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.then-3' class="method"><span id='then.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.then' class='fnname'>then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Then.html" title="struct futures::future::Then">Then</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#484-490' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.and_then-3' class="method"><span id='and_then.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.and_then' class='fnname'>and_then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#525-531' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.or_else-3' class="method"><span id='or_else.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.or_else' class='fnname'>or_else</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#566-572' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.select-3' class="method"><span id='select.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.select' class='fnname'>select</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select.html" title="struct futures::future::Select">Select</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#624-631' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.select2-3' class="method"><span id='select2.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.select2' class='fnname'>select2</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select2.html" title="struct futures::future::Select2">Select2</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#670-674' title='goto source code'>[src]</a></span></h4>
|
||
<h4 id='method.join-3' class="method"><span id='join.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join' class='fnname'>join</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Join.html" title="struct futures::future::Join">Join</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#715-721' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.join3-3' class="method"><span id='join3.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join3' class='fnname'>join3</a><B, C>(self, b: B, c: C) -> <a class="struct" href="../../futures/future/struct.Join3.html" title="struct futures::future::Join3">Join3</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#724-730' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.join4-3' class="method"><span id='join4.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join4' class='fnname'>join4</a><B, C, D>(<br> self, <br> b: B, <br> c: C, <br> d: D<br>) -> <a class="struct" href="../../futures/future/struct.Join4.html" title="struct futures::future::Join4">Join4</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#733-741' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.join5-3' class="method"><span id='join5.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join5' class='fnname'>join5</a><B, C, D, E>(<br> self, <br> b: B, <br> c: C, <br> d: D, <br> e: E<br>) -> <a class="struct" href="../../futures/future/struct.Join5.html" title="struct futures::future::Join5">Join5</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, E::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> E: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#744-754' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.into_stream-3' class="method"><span id='into_stream.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.into_stream' class='fnname'>into_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.IntoStream.html" title="struct futures::future::IntoStream">IntoStream</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#777-781' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.flatten-3' class="method"><span id='flatten.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.flatten' class='fnname'>flatten</a>(self) -> <a class="struct" href="../../futures/future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> <Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#819-829' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.flatten_stream-3' class="method"><span id='flatten_stream.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.flatten_stream' class='fnname'>flatten_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.FlattenStream.html" title="struct futures::future::FlattenStream">FlattenStream</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#859-864' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.fuse-3' class="method"><span id='fuse.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.fuse' class='fnname'>fuse</a>(self) -> <a class="struct" href="../../futures/future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#899-904' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.inspect-3' class="method"><span id='inspect.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.inspect' class='fnname'>inspect</a><F>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>),<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#922-927' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.catch_unwind-3' class="method"><span id='catch_unwind.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.catch_unwind' class='fnname'>catch_unwind</a>(self) -> <a class="struct" href="../../futures/future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#961-965' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.shared-3' class="method"><span id='shared.v-3' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.shared' class='fnname'>shared</a>(self) -> <a class="struct" href="../../futures/future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#1010-1014' title='goto source code'>[src]</a></span></h4>
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||
</div></span><h3 id='impl-Future-3' class='impl'><span class='in-band'><code>impl<'a, F: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>> <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>F</code><a href='#impl-Future-3' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#1017-1024' title='goto source code'>[src]</a></span></h3>
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<span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Item-4' class="type"><span id='Item.t-4' class='invisible'><code>type <a href='#associatedtype.Item' class="type">Item</a> = F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a></code></span></h4>
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<h4 id='associatedtype.Error-4' class="type"><span id='Error.t-4' class='invisible'><code>type <a href='#associatedtype.Error' class="type">Error</a> = F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a></code></span></h4>
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<h4 id='method.poll-3' class="method"><span id='poll.v-4' class='invisible'><code>fn <a href='#method.poll' class='fnname'>poll</a>(&mut self) -> <a class="type" href="../../futures/type.Poll.html" title="type futures::Poll">Poll</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#1021-1023' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.wait-4' class="method"><span id='wait.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.wait' class='fnname'>wait</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#296-300' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.map-4' class="method"><span id='map.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.map' class='fnname'>map</a><F, U>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Map.html" title="struct futures::future::Map">Map</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> U,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#370-375' title='goto source code'>[src]</a></span></h4>
|
||
<h4 id='method.map_err-4' class="method"><span id='map_err.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.map_err' class='fnname'>map_err</a><F, E>(self, f: F) -> <a class="struct" href="../../futures/future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> E,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#410-415' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.from_err-4' class="method"><span id='from_err.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.from_err' class='fnname'>from_err</a><E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>>(self) -> <a class="struct" href="../../futures/future/struct.FromErr.html" title="struct futures::future::FromErr">FromErr</a><Self, E> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#440-444' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.then-4' class="method"><span id='then.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.then' class='fnname'>then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Then.html" title="struct futures::future::Then">Then</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#484-490' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.and_then-4' class="method"><span id='and_then.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.and_then' class='fnname'>and_then</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#525-531' title='goto source code'>[src]</a></span></h4>
|
||
<h4 id='method.or_else-4' class="method"><span id='or_else.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.or_else' class='fnname'>or_else</a><F, B>(self, f: F) -> <a class="struct" href="../../futures/future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Self, B, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> B,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#566-572' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.select-4' class="method"><span id='select.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.select' class='fnname'>select</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select.html" title="struct futures::future::Select">Select</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#624-631' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.select2-4' class="method"><span id='select2.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.select2' class='fnname'>select2</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Select2.html" title="struct futures::future::Select2">Select2</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#670-674' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.join-4' class="method"><span id='join.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join' class='fnname'>join</a><B>(self, other: B) -> <a class="struct" href="../../futures/future/struct.Join.html" title="struct futures::future::Join">Join</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#715-721' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.join3-4' class="method"><span id='join3.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join3' class='fnname'>join3</a><B, C>(self, b: B, c: C) -> <a class="struct" href="../../futures/future/struct.Join3.html" title="struct futures::future::Join3">Join3</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#724-730' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.join4-4' class="method"><span id='join4.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join4' class='fnname'>join4</a><B, C, D>(<br> self, <br> b: B, <br> c: C, <br> d: D<br>) -> <a class="struct" href="../../futures/future/struct.Join4.html" title="struct futures::future::Join4">Join4</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#733-741' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.join5-4' class="method"><span id='join5.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.join5' class='fnname'>join5</a><B, C, D, E>(<br> self, <br> b: B, <br> c: C, <br> d: D, <br> e: E<br>) -> <a class="struct" href="../../futures/future/struct.Join5.html" title="struct futures::future::Join5">Join5</a><Self, B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, C::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, D::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, E::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> E: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#744-754' title='goto source code'>[src]</a></span></h4>
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||
<h4 id='method.into_stream-4' class="method"><span id='into_stream.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.into_stream' class='fnname'>into_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.IntoStream.html" title="struct futures::future::IntoStream">IntoStream</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#777-781' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.flatten-4' class="method"><span id='flatten.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.flatten' class='fnname'>flatten</a>(self) -> <a class="struct" href="../../futures/future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> <Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#819-829' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.flatten_stream-4' class="method"><span id='flatten_stream.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.flatten_stream' class='fnname'>flatten_stream</a>(self) -> <a class="struct" href="../../futures/future/struct.FlattenStream.html" title="struct futures::future::FlattenStream">FlattenStream</a><Self> <span class="where fmt-newline">where<br> Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a><Error = Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#859-864' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.fuse-4' class="method"><span id='fuse.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.fuse' class='fnname'>fuse</a>(self) -> <a class="struct" href="../../futures/future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#899-904' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.inspect-4' class="method"><span id='inspect.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.inspect' class='fnname'>inspect</a><F>(self, f: F) -> <a class="struct" href="../../futures/future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Self, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&Self::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>),<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#922-927' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.catch_unwind-4' class="method"><span id='catch_unwind.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.catch_unwind' class='fnname'>catch_unwind</a>(self) -> <a class="struct" href="../../futures/future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#961-965' title='goto source code'>[src]</a></span></h4>
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<h4 id='method.shared-4' class="method"><span id='shared.v-4' class='invisible'><code>fn <a href='../../futures/future/trait.Future.html#method.shared' class='fnname'>shared</a>(self) -> <a class="struct" href="../../futures/future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/futures/future/mod.rs.html#1010-1014' title='goto source code'>[src]</a></span></h4>
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</div></span>
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<h2 id='implementors' class='small-section-header'>
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Implementors<a href='#implementors' class='anchor'></a>
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</h2>
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<ul class='item-list' id='implementors-list'>
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<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/empty.rs.html#24-31' title='goto source code'>[src]</a></div><code>impl<T, E> Future for <a class="struct" href="../../futures/future/struct.Empty.html" title="struct futures::future::Empty">Empty</a><T, E><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = E;</span></code></li>
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<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/lazy.rs.html#74-84' title='goto source code'>[src]</a></div><code>impl<F, R> Future for <a class="struct" href="../../futures/future/struct.Lazy.html" title="struct futures::future::Lazy">Lazy</a><F, R> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> R,<br> R: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = R::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Item" title="type futures::future::IntoFuture::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = R::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/poll_fn.rs.html#36-45' title='goto source code'>[src]</a></div><code>impl<T, E, F> Future for <a class="struct" href="../../futures/future/struct.PollFn.html" title="struct futures::future::PollFn">PollFn</a><F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>() -> <a class="type" href="../../futures/type.Poll.html" title="type futures::Poll">Poll</a><T, E>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = E;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/result.rs.html#68-75' title='goto source code'>[src]</a></div><code>impl<T, E> Future for <a class="struct" href="../../futures/future/struct.FutureResult.html" title="struct futures::future::FutureResult">FutureResult</a><T, E><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = E;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/loop_fn.rs.html#84-99' title='goto source code'>[src]</a></div><code>impl<S, T, A, F> Future for <a class="struct" href="../../futures/future/struct.LoopFn.html" title="struct futures::future::LoopFn">LoopFn</a><A, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(S) -> A,<br> A: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = <a class="enum" href="../../futures/future/enum.Loop.html" title="enum futures::future::Loop">Loop</a><T, S>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/and_then.rs.html#23-38' title='goto source code'>[src]</a></div><code>impl<A, B, F> Future for <a class="struct" href="../../futures/future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><A, B, F> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> B, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Item" title="type futures::future::IntoFuture::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/flatten.rs.html#35-49' title='goto source code'>[src]</a></div><code>impl<A> Future for <a class="struct" href="../../futures/future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><A> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> <<A as <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><<A as <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <<A as <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Item" title="type futures::future::IntoFuture::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <<A as <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/fuse.rs.html#34-49' title='goto source code'>[src]</a></div><code>impl<A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>> Future for <a class="struct" href="../../futures/future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><A><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/join.rs.html#59-90' title='goto source code'>[src]</a></div><code>impl<A, B> Future for <a class="struct" href="../../futures/future/struct.Join.html" title="struct futures::future::Join">Join</a><A, B> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, B::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/join.rs.html#59-90' title='goto source code'>[src]</a></div><code>impl<A, B, C> Future for <a class="struct" href="../../futures/future/struct.Join3.html" title="struct futures::future::Join3">Join3</a><A, B, C> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, B::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, C::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/join.rs.html#59-90' title='goto source code'>[src]</a></div><code>impl<A, B, C, D> Future for <a class="struct" href="../../futures/future/struct.Join4.html" title="struct futures::future::Join4">Join4</a><A, B, C, D> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, B::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, C::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, D::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/join.rs.html#59-90' title='goto source code'>[src]</a></div><code>impl<A, B, C, D, E> Future for <a class="struct" href="../../futures/future/struct.Join5.html" title="struct futures::future::Join5">Join5</a><A, B, C, D, E> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> C: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> D: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>,<br> E: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, B::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, C::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, D::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, E::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/map.rs.html#22-38' title='goto source code'>[src]</a></div><code>impl<U, A, F> Future for <a class="struct" href="../../futures/future/struct.Map.html" title="struct futures::future::Map">Map</a><A, F> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -> U, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = U;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/map_err.rs.html#22-36' title='goto source code'>[src]</a></div><code>impl<U, A, F> Future for <a class="struct" href="../../futures/future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><A, F> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> U, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = U;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/from_err.rs.html#24-35' title='goto source code'>[src]</a></div><code>impl<A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>, E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>> Future for <a class="struct" href="../../futures/future/struct.FromErr.html" title="struct futures::future::FromErr">FromErr</a><A, E><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = E;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/or_else.rs.html#23-39' title='goto source code'>[src]</a></div><code>impl<A, B, F> Future for <a class="struct" href="../../futures/future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><A, B, F> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>>,<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -> B, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Item" title="type futures::future::IntoFuture::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/select.rs.html#38-71' title='goto source code'>[src]</a></div><code>impl<A, B> Future for <a class="struct" href="../../futures/future/struct.Select.html" title="struct futures::future::Select">Select</a><A, B> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Item = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, <a class="struct" href="../../futures/future/struct.SelectNext.html" title="struct futures::future::SelectNext">SelectNext</a><A, B><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>, <a class="struct" href="../../futures/future/struct.SelectNext.html" title="struct futures::future::SelectNext">SelectNext</a><A, B><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/select.rs.html#73-86' title='goto source code'>[src]</a></div><code>impl<A, B> Future for <a class="struct" href="../../futures/future/struct.SelectNext.html" title="struct futures::future::SelectNext">SelectNext</a><A, B> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Item = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
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<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/select2.rs.html#20-39' title='goto source code'>[src]</a></div><code>impl<A, B> Future for <a class="struct" href="../../futures/future/struct.Select2.html" title="struct futures::future::Select2">Select2</a><A, B> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="enum" href="../../futures/future/enum.Either.html" title="enum futures::future::Either">Either</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, B<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>B::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, A<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="enum" href="../../futures/future/enum.Either.html" title="enum futures::future::Either">Either</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>, B<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>B::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>, A<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/then.rs.html#23-36' title='goto source code'>[src]</a></div><code>impl<A, B, F> Future for <a class="struct" href="../../futures/future/struct.Then.html" title="struct futures::future::Then">Then</a><A, B, F> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>) -> B, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Item" title="type futures::future::IntoFuture::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = B::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>;</span></code></li>
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<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/either.rs.html#26-39' title='goto source code'>[src]</a></div><code>impl<A, B> Future for <a class="enum" href="../../futures/future/enum.Either.html" title="enum futures::future::Either">Either</a><A, B> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Item = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/inspect.rs.html#23-40' title='goto source code'>[src]</a></div><code>impl<A, F> Future for <a class="struct" href="../../futures/future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><A, F> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>), </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
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<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/catch_unwind.rs.html#24-42' title='goto source code'>[src]</a></div><code>impl<F> Future for <a class="struct" href="../../futures/future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><F> <span class="where fmt-newline">where<br> F: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><<a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>>;</span></code></li>
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<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/join_all.rs.html#86-136' title='goto source code'>[src]</a></div><code>impl<I> Future for <a class="struct" href="../../futures/future/struct.JoinAll.html" title="struct futures::future::JoinAll">JoinAll</a><I> <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a>,<br> I::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::IntoIterator::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<I::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::IntoIterator::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Item" title="type futures::future::IntoFuture::Item">Item</a>>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <I::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::IntoIterator::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>;</span></code></li>
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<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/select_all.rs.html#45-71' title='goto source code'>[src]</a></div><code>impl<A> Future for <a class="struct" href="../../futures/future/struct.SelectAll.html" title="struct futures::future::SelectAll">SelectAll</a><A> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><A><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><A><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/select_ok.rs.html#43-81' title='goto source code'>[src]</a></div><code>impl<A> Future for <a class="struct" href="../../futures/future/struct.SelectOk.html" title="struct futures::future::SelectOk">SelectOk</a><A> <span class="where fmt-newline">where<br> A: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><A><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = A::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/future/shared.rs.html#123-206' title='goto source code'>[src]</a></div><code>impl<F> Future for <a class="struct" href="../../futures/future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><F> <span class="where fmt-newline">where<br> F: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="struct" href="../../futures/future/struct.SharedItem.html" title="struct futures::future::SharedItem">SharedItem</a><F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="struct" href="../../futures/future/struct.SharedError.html" title="struct futures::future::SharedError">SharedError</a><F::<a class="type" href="../../futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/stream/concat.rs.html#37-54' title='goto source code'>[src]</a></div><code>impl<S> Future for <a class="struct" href="../../futures/stream/struct.Concat2.html" title="struct futures::stream::Concat2">Concat2</a><S> <span class="where fmt-newline">where<br> S: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br> S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.Extend.html" title="trait core::iter::traits::Extend">Extend</a><<<S as <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::IntoIterator::Item">Item</a>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/stream/concat.rs.html#89-106' title='goto source code'>[src]</a></div><code>impl<S> Future for <a class="struct" href="../../futures/stream/struct.Concat.html" title="struct futures::stream::Concat">Concat</a><S> <span class="where fmt-newline">where<br> S: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br> S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.Extend.html" title="trait core::iter::traits::Extend">Extend</a><<<S as <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::IntoIterator::Item">Item</a>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/stream/fold.rs.html#42-81' title='goto source code'>[src]</a></div><code>impl<S, F, Fut, T> Future for <a class="struct" href="../../futures/stream/struct.Fold.html" title="struct futures::stream::Fold">Fold</a><S, F, Fut, T> <span class="where fmt-newline">where<br> S: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(T, S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>) -> Fut,<br> Fut: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = T>,<br> S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><Fut::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/stream/for_each.rs.html#28-51' title='goto source code'>[src]</a></div><code>impl<S, F, U> Future for <a class="struct" href="../../futures/stream/struct.ForEach.html" title="struct futures::stream::ForEach">ForEach</a><S, F, U> <span class="where fmt-newline">where<br> S: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>) -> U,<br> U: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a><Item = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Error = S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/stream/future.rs.html#57-76' title='goto source code'>[src]</a></div><code>impl<S: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>> Future for <a class="struct" href="../../futures/stream/struct.StreamFuture.html" title="struct futures::stream::StreamFuture">StreamFuture</a><S><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>>, S<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>, S<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/stream/forward.rs.html#78-110' title='goto source code'>[src]</a></div><code>impl<T, U> Future for <a class="struct" href="../../futures/stream/struct.Forward.html" title="struct futures::stream::Forward">Forward</a><T, U> <span class="where fmt-newline">where<br> U: <a class="trait" href="../../futures/sink/trait.Sink.html" title="trait futures::sink::Sink">Sink</a><SinkItem = T::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>>,<br> T: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br> T::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><U::<a class="type" href="../../futures/sink/trait.Sink.html#associatedtype.SinkError" title="type futures::sink::Sink::SinkError">SinkError</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>T, U<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = T::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/stream/collect.rs.html#33-52' title='goto source code'>[src]</a></div><code>impl<S> Future for <a class="struct" href="../../futures/stream/struct.Collect.html" title="struct futures::stream::Collect">Collect</a><S> <span class="where fmt-newline">where<br> S: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = S::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/sink/flush.rs.html#33-46' title='goto source code'>[src]</a></div><code>impl<S: <a class="trait" href="../../futures/sink/trait.Sink.html" title="trait futures::sink::Sink">Sink</a>> Future for <a class="struct" href="../../futures/sink/struct.Flush.html" title="struct futures::sink::Flush">Flush</a><S><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = S;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = S::<a class="type" href="../../futures/sink/trait.Sink.html#associatedtype.SinkError" title="type futures::sink::Sink::SinkError">SinkError</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/sink/send.rs.html#40-59' title='goto source code'>[src]</a></div><code>impl<S: <a class="trait" href="../../futures/sink/trait.Sink.html" title="trait futures::sink::Sink">Sink</a>> Future for <a class="struct" href="../../futures/sink/struct.Send.html" title="struct futures::sink::Send">Send</a><S><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = S;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = S::<a class="type" href="../../futures/sink/trait.Sink.html#associatedtype.SinkError" title="type futures::sink::Sink::SinkError">SinkError</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/sink/send_all.rs.html#59-88' title='goto source code'>[src]</a></div><code>impl<T, U> Future for <a class="struct" href="../../futures/sink/struct.SendAll.html" title="struct futures::sink::SendAll">SendAll</a><T, U> <span class="where fmt-newline">where<br> T: <a class="trait" href="../../futures/sink/trait.Sink.html" title="trait futures::sink::Sink">Sink</a>,<br> U: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a><Item = T::<a class="type" href="../../futures/sink/trait.Sink.html#associatedtype.SinkItem" title="type futures::sink::Sink::SinkItem">SinkItem</a>>,<br> T::<a class="type" href="../../futures/sink/trait.Sink.html#associatedtype.SinkError" title="type futures::sink::Sink::SinkError">SinkError</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><U::<a class="type" href="../../futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a>>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>T, U<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = T::<a class="type" href="../../futures/sink/trait.Sink.html#associatedtype.SinkError" title="type futures::sink::Sink::SinkError">SinkError</a>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/sync/oneshot.rs.html#408-415' title='goto source code'>[src]</a></div><code>impl<T> Future for futures::sync::oneshot::<a class="struct" href="../../futures/sync/oneshot/struct.Receiver.html" title="struct futures::sync::oneshot::Receiver">Receiver</a><T><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="struct" href="../../futures/sync/oneshot/struct.Canceled.html" title="struct futures::sync::oneshot::Canceled">Canceled</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/sync/oneshot.rs.html#513-525' title='goto source code'>[src]</a></div><code>impl<T, E> Future for futures::sync::oneshot::<a class="struct" href="../../futures/sync/oneshot/struct.SpawnHandle.html" title="struct futures::sync::oneshot::SpawnHandle">SpawnHandle</a><T, E><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = E;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/sync/oneshot.rs.html#540-562' title='goto source code'>[src]</a></div><code>impl<F: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>> Future for futures::sync::oneshot::<a class="struct" href="../../futures/sync/oneshot/struct.Execute.html" title="struct futures::sync::oneshot::Execute">Execute</a><F><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/sync/mpsc/mod.rs.html#1085-1099' title='goto source code'>[src]</a></div><code>impl<S: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>> Future for futures::sync::mpsc::<a class="struct" href="../../futures/sync/mpsc/struct.Execute.html" title="struct futures::sync::mpsc::Execute">Execute</a><S><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/sync/bilock.rs.html#242-255' title='goto source code'>[src]</a></div><code>impl<T> Future for <a class="struct" href="../../futures/sync/struct.BiLockAcquire.html" title="struct futures::sync::BiLockAcquire">BiLockAcquire</a><T><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="struct" href="../../futures/sync/struct.BiLockAcquired.html" title="struct futures::sync::BiLockAcquired">BiLockAcquired</a><T>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span></code></li>
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||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/unsync/mpsc.rs.html#453-467' title='goto source code'>[src]</a></div><code>impl<S: <a class="trait" href="../../futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>> Future for futures::unsync::mpsc::<a class="struct" href="../../futures/unsync/mpsc/struct.Execute.html" title="struct futures::unsync::mpsc::Execute">Execute</a><S><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/unsync/oneshot.rs.html#178-208' title='goto source code'>[src]</a></div><code>impl<T> Future for futures::unsync::oneshot::<a class="struct" href="../../futures/unsync/oneshot/struct.Receiver.html" title="struct futures::unsync::oneshot::Receiver">Receiver</a><T><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = <a class="struct" href="../../futures/sync/oneshot/struct.Canceled.html" title="struct futures::sync::oneshot::Canceled">Canceled</a>;</span></code></li>
|
||
<li><div class='out-of-band'><a class='srclink' href='../../src/futures/unsync/oneshot.rs.html#300-312' title='goto source code'>[src]</a></div><code>impl<T, E> Future for futures::unsync::oneshot::<a class="struct" href="../../futures/unsync/oneshot/struct.SpawnHandle.html" title="struct futures::unsync::oneshot::SpawnHandle">SpawnHandle</a><T, E><span class="where fmt-newline"> type <a href='#associatedtype.Item' class="type">Item</a> = T;</span><span class="where fmt-newline"> type <a href='#associatedtype.Error' class="type">Error</a> = E;</span></code></li>
|
||
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