544 lines
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544 lines
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<div class="sidebar-menu">☰</div>
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<p class='location'>Module future</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li><li><a href="#functions">Functions</a></li></ul></div><p class='location'><a href='../../index.html'>tokio</a>::<wbr><a href='../index.html'>prelude</a></p><script>window.sidebarCurrent = {name: 'future', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div>
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<h1 class='fqn'><span class='in-band'>Module <a href='../../index.html'>tokio</a>::<wbr><a href='../index.html'>prelude</a>::<wbr><a class="mod" href=''>future</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../../../src/futures/lib.rs.html#177' title='goto source code'>[src]</a></span></h1>
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<div class='docblock'><p>Futures</p>
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<p>This module contains the <code>Future</code> trait and a number of adaptors for this
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trait. See the crate docs, and the docs for <code>Future</code>, for full detail.</p>
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</div><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.AndThen.html"
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title='struct tokio::prelude::future::AndThen'>AndThen</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>and_then</code> combinator, chaining a computation onto the end of
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another future which completes successfully.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.CatchUnwind.html"
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title='struct tokio::prelude::future::CatchUnwind'>CatchUnwind</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>catch_unwind</code> combinator.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Done.html"
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title='struct tokio::prelude::future::Done'>Done</a></td>
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<td class='docblock-short'>
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<p>A future representing a value that is immediately ready.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Empty.html"
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title='struct tokio::prelude::future::Empty'>Empty</a></td>
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<td class='docblock-short'>
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<p>A future which is never resolved.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.ExecuteError.html"
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title='struct tokio::prelude::future::ExecuteError'>ExecuteError</a></td>
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<td class='docblock-short'>
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<p>Errors returned from the <code>Spawn::spawn</code> function.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Flatten.html"
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title='struct tokio::prelude::future::Flatten'>Flatten</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>flatten</code> combinator, flattening a future-of-a-future to get just
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the result of the final future.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.FlattenStream.html"
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title='struct tokio::prelude::future::FlattenStream'>FlattenStream</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>flatten_stream</code> combinator, flattening a
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future-of-a-stream to get just the result of the final stream as a stream.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.FromErr.html"
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title='struct tokio::prelude::future::FromErr'>FromErr</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>from_err</code> combinator, changing the error type of a future.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Fuse.html"
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title='struct tokio::prelude::future::Fuse'>Fuse</a></td>
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<td class='docblock-short'>
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<p>A future which "fuses" a future once it's been resolved.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Inspect.html"
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title='struct tokio::prelude::future::Inspect'>Inspect</a></td>
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<td class='docblock-short'>
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<p>Do something with the item of a future, passing it on.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.IntoStream.html"
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title='struct tokio::prelude::future::IntoStream'>IntoStream</a></td>
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<td class='docblock-short'>
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<p>Future that forwards one element from the underlying future
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(whether it is success of error) and emits EOF after that.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Join.html"
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title='struct tokio::prelude::future::Join'>Join</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>join</code> combinator, waiting for two futures to
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complete.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Join3.html"
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title='struct tokio::prelude::future::Join3'>Join3</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>join3</code> combinator, waiting for three futures to
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complete.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Join4.html"
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title='struct tokio::prelude::future::Join4'>Join4</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>join4</code> combinator, waiting for four futures to
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complete.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Join5.html"
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title='struct tokio::prelude::future::Join5'>Join5</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>join5</code> combinator, waiting for five futures to
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complete.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.JoinAll.html"
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title='struct tokio::prelude::future::JoinAll'>JoinAll</a></td>
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<td class='docblock-short'>
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<p>A future which takes a list of futures and resolves with a vector of the
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completed values.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Lazy.html"
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title='struct tokio::prelude::future::Lazy'>Lazy</a></td>
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<td class='docblock-short'>
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<p>A future which defers creation of the actual future until a callback is
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scheduled.</p>
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</td>
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|||
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.LoopFn.html"
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title='struct tokio::prelude::future::LoopFn'>LoopFn</a></td>
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<td class='docblock-short'>
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<p>A future implementing a tail-recursive loop.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Map.html"
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title='struct tokio::prelude::future::Map'>Map</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>map</code> combinator, changing the type of a future.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.MapErr.html"
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title='struct tokio::prelude::future::MapErr'>MapErr</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>map_err</code> combinator, changing the error type of a future.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.OrElse.html"
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title='struct tokio::prelude::future::OrElse'>OrElse</a></td>
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<td class='docblock-short'>
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<p>Future for the <code>or_else</code> combinator, chaining a computation onto the end of
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a future which fails with an error.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.PollFn.html"
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title='struct tokio::prelude::future::PollFn'>PollFn</a></td>
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<td class='docblock-short'>
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<p>A future which adapts a function returning <code>Poll</code>.</p>
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</td>
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|||
|
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</tr>
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|||
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<tr class=' module-item'>
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|||
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<td><a class="struct" href="struct.Select.html"
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title='struct tokio::prelude::future::Select'>Select</a></td>
|
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<td class='docblock-short'>
|
|||
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<p>Future for the <code>select</code> combinator, waiting for one of two futures to
|
|||
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complete.</p>
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|||
|
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|||
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</td>
|
|||
|
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</tr>
|
|||
|
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<tr class=' module-item'>
|
|||
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<td><a class="struct" href="struct.Select2.html"
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title='struct tokio::prelude::future::Select2'>Select2</a></td>
|
|||
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<td class='docblock-short'>
|
|||
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<p>Future for the <code>select2</code> combinator, waiting for one of two differently-typed
|
|||
|
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futures to complete.</p>
|
|||
|
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|
|||
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</td>
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|||
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</tr>
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|||
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<tr class=' module-item'>
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<td><a class="struct" href="struct.SelectAll.html"
|
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title='struct tokio::prelude::future::SelectAll'>SelectAll</a></td>
|
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<td class='docblock-short'>
|
|||
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<p>Future for the <code>select_all</code> combinator, waiting for one of any of a list of
|
|||
|
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futures to complete.</p>
|
|||
|
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|
|||
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</td>
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|||
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</tr>
|
|||
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<tr class=' module-item'>
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|||
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<td><a class="struct" href="struct.SelectNext.html"
|
|||
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title='struct tokio::prelude::future::SelectNext'>SelectNext</a></td>
|
|||
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<td class='docblock-short'>
|
|||
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<p>Future yielded as the second result in a <code>Select</code> future.</p>
|
|||
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|
|||
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</td>
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|||
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</tr>
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|||
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<tr class=' module-item'>
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<td><a class="struct" href="struct.SelectOk.html"
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title='struct tokio::prelude::future::SelectOk'>SelectOk</a></td>
|
|||
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<td class='docblock-short'>
|
|||
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<p>Future for the <code>select_ok</code> combinator, waiting for one of any of a list of
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futures to successfully complete. Unlike <code>select_all</code>, this future ignores all
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but the last error, if there are any.</p>
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|||
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</td>
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|||
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</tr>
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|||
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<tr class=' module-item'>
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|||
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<td><a class="struct" href="struct.Shared.html"
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title='struct tokio::prelude::future::Shared'>Shared</a></td>
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|||
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<td class='docblock-short'>
|
|||
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<p>A future that is cloneable and can be polled in multiple threads.
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|||
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Use <code>Future::shared()</code> method to convert any future into a <code>Shared</code> future.</p>
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|||
|
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|
|||
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</td>
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|||
|
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</tr>
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|||
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<tr class=' module-item'>
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|||
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<td><a class="struct" href="struct.SharedError.html"
|
|||
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title='struct tokio::prelude::future::SharedError'>SharedError</a></td>
|
|||
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<td class='docblock-short'>
|
|||
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<p>A wrapped error of the original future that is cloneable and implements Deref
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|||
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for ease of use.</p>
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|||
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|
|||
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</td>
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|||
|
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</tr>
|
|||
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<tr class=' module-item'>
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|||
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<td><a class="struct" href="struct.SharedItem.html"
|
|||
|
|
title='struct tokio::prelude::future::SharedItem'>SharedItem</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>A wrapped item of the original future that is cloneable and implements Deref
|
|||
|
|
for ease of use.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="struct" href="struct.Then.html"
|
|||
|
|
title='struct tokio::prelude::future::Then'>Then</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Future for the <code>then</code> combinator, chaining computations on the end of
|
|||
|
|
another future regardless of its outcome.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr></table><h2 id='enums' class='section-header'><a href="#enums">Enums</a></h2>
|
|||
|
|
<table>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="enum" href="enum.Either.html"
|
|||
|
|
title='enum tokio::prelude::future::Either'>Either</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Combines two different futures yielding the same item and error
|
|||
|
|
types into a single type.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="enum" href="enum.ExecuteErrorKind.html"
|
|||
|
|
title='enum tokio::prelude::future::ExecuteErrorKind'>ExecuteErrorKind</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Kinds of errors that can be returned from the <code>Execute::spawn</code> function.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="enum" href="enum.Loop.html"
|
|||
|
|
title='enum tokio::prelude::future::Loop'>Loop</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>The status of a <code>loop_fn</code> loop.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr></table><h2 id='traits' class='section-header'><a href="#traits">Traits</a></h2>
|
|||
|
|
<table>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="trait" href="trait.Executor.html"
|
|||
|
|
title='trait tokio::prelude::future::Executor'>Executor</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>A trait for types which can spawn fresh futures.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="trait" href="trait.Future.html"
|
|||
|
|
title='trait tokio::prelude::future::Future'>Future</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Trait for types which are a placeholder of a value that may become
|
|||
|
|
available at some later point in time.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="trait" href="trait.FutureFrom.html"
|
|||
|
|
title='trait tokio::prelude::future::FutureFrom'>FutureFrom</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Asynchronous conversion from a type <code>T</code>.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="trait" href="trait.IntoFuture.html"
|
|||
|
|
title='trait tokio::prelude::future::IntoFuture'>IntoFuture</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Class of types which can be converted into a future.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
|
|||
|
|
<table>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.collect.html"
|
|||
|
|
title='fn tokio::prelude::future::collect'>collect</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a future which represents a collection of the results of the futures
|
|||
|
|
given.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.done.html"
|
|||
|
|
title='fn tokio::prelude::future::done'>done</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a new "leaf future" which will resolve with the given result.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.empty.html"
|
|||
|
|
title='fn tokio::prelude::future::empty'>empty</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a future which never resolves, representing a computation that never
|
|||
|
|
finishes.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.failed.html"
|
|||
|
|
title='fn tokio::prelude::future::failed'>failed</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a "leaf future" from an immediate value of a failed computation.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.lazy.html"
|
|||
|
|
title='fn tokio::prelude::future::lazy'>lazy</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a new future which will eventually be the same as the one created
|
|||
|
|
by the closure provided.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.loop_fn.html"
|
|||
|
|
title='fn tokio::prelude::future::loop_fn'>loop_fn</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a new future implementing a tail-recursive loop.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.ok.html"
|
|||
|
|
title='fn tokio::prelude::future::ok'>ok</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a "leaf future" from an immediate value of a finished and
|
|||
|
|
successful computation.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.poll_fn.html"
|
|||
|
|
title='fn tokio::prelude::future::poll_fn'>poll_fn</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a new future wrapping around a function returning <code>Poll</code>.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.select_all.html"
|
|||
|
|
title='fn tokio::prelude::future::select_all'>select_all</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a new future which will select over a list of futures.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr class=' module-item'>
|
|||
|
|
<td><a class="fn" href="fn.select_ok.html"
|
|||
|
|
title='fn tokio::prelude::future::select_ok'>select_ok</a></td>
|
|||
|
|
<td class='docblock-short'>
|
|||
|
|
<p>Creates a new future which will select the first successful future over a list of futures.</p>
|
|||
|
|
|
|||
|
|
</td>
|
|||
|
|
</tr></table></section>
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Search functions by type signature (e.g.
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