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<title>tokio_io::io - Rust</title>
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<div class="sidebar-menu">☰</div>
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<p class='location'>Module io</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#functions">Functions</a></li></ul></div><p class='location'><a href='../index.html'>tokio_io</a></p><script>window.sidebarCurrent = {name: 'io', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div>
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<section id='main' class="content"><h1 class='fqn'><span class='in-band'>Module <a href='../index.html'>tokio_io</a>::<wbr><a class="mod" href=''>io</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/tokio_io/io/mod.rs.html#1-32' title='goto source code'>[src]</a></span></h1><div class='docblock'><p>I/O conveniences when working with primitives in <code>tokio-core</code></p>
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<p>Contains various combinators to work with I/O objects and type definitions
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as well.</p>
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<p>A description of the high-level I/O combinators can be <a href="https://tokio.rs/docs/getting-started/core/">found online</a> in
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addition to a description of the <a href="https://tokio.rs/docs/going-deeper-tokio/core-low-level/">low level details</a>.</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.AllowStdIo.html"
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title='struct tokio_io::io::AllowStdIo'>AllowStdIo</a></td>
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<td class='docblock-short'>
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<p>A simple wrapper type which allows types that only implement
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<code>std::io::Read</code> or <code>std::io::Write</code> to be used in contexts which expect
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an <code>AsyncRead</code> or <code>AsyncWrite</code>.</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.Copy.html"
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title='struct tokio_io::io::Copy'>Copy</a></td>
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<td class='docblock-short'>
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<p>A future which will copy all data from a reader into a writer.</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.Flush.html"
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title='struct tokio_io::io::Flush'>Flush</a></td>
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<td class='docblock-short'>
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<p>A future used to fully flush an I/O object.</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.Lines.html"
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title='struct tokio_io::io::Lines'>Lines</a></td>
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<td class='docblock-short'>
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<p>Combinator created by the top-level <code>lines</code> method which is a stream over
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the lines of text on an I/O object.</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.Read.html"
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title='struct tokio_io::io::Read'>Read</a></td>
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<td class='docblock-short'>
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<p>A future which can be used to easily read available number of bytes to fill
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a buffer.</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.ReadExact.html"
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title='struct tokio_io::io::ReadExact'>ReadExact</a></td>
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<td class='docblock-short'>
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<p>A future which can be used to easily read exactly enough bytes to fill
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a buffer.</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.ReadHalf.html"
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title='struct tokio_io::io::ReadHalf'>ReadHalf</a></td>
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<td class='docblock-short'>
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<p>The readable half of an object returned from <code>AsyncRead::split</code>.</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.ReadToEnd.html"
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title='struct tokio_io::io::ReadToEnd'>ReadToEnd</a></td>
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<td class='docblock-short'>
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<p>A future which can be used to easily read the entire contents of a stream
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into a vector.</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.ReadUntil.html"
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title='struct tokio_io::io::ReadUntil'>ReadUntil</a></td>
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<td class='docblock-short'>
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<p>A future which can be used to easily read the contents of a stream into a
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vector until the delimiter is reached.</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.Shutdown.html"
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title='struct tokio_io::io::Shutdown'>Shutdown</a></td>
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<td class='docblock-short'>
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<p>A future used to fully shutdown an I/O object.</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.Window.html"
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title='struct tokio_io::io::Window'>Window</a></td>
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<td class='docblock-short'>
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<p>A owned window around an underlying buffer.</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.WriteAll.html"
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title='struct tokio_io::io::WriteAll'>WriteAll</a></td>
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<td class='docblock-short'>
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<p>A future used to write the entire contents of some data to 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.WriteHalf.html"
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title='struct tokio_io::io::WriteHalf'>WriteHalf</a></td>
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<td class='docblock-short'>
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<p>The writable half of an object returned from <code>AsyncRead::split</code>.</p>
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</td>
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</tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="fn" href="fn.copy.html"
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title='fn tokio_io::io::copy'>copy</a></td>
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<td class='docblock-short'>
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<p>Creates a future which represents copying all the bytes from one object to
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another.</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="fn" href="fn.flush.html"
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title='fn tokio_io::io::flush'>flush</a></td>
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<td class='docblock-short'>
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<p>Creates a future which will entirely flush an I/O object and then yield the
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object itself.</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="fn" href="fn.lines.html"
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title='fn tokio_io::io::lines'>lines</a></td>
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<td class='docblock-short'>
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<p>Creates a new stream from the I/O object given representing the lines of
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input that are found on <code>A</code>.</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="fn" href="fn.read.html"
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title='fn tokio_io::io::read'>read</a></td>
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<td class='docblock-short'>
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<p>Tries to read some bytes directly into the given <code>buf</code> in asynchronous
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manner, returning a future type.</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="fn" href="fn.read_exact.html"
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title='fn tokio_io::io::read_exact'>read_exact</a></td>
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<td class='docblock-short'>
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<p>Creates a future which will read exactly enough bytes to fill <code>buf</code>,
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returning an error if EOF is hit sooner.</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="fn" href="fn.read_to_end.html"
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title='fn tokio_io::io::read_to_end'>read_to_end</a></td>
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<td class='docblock-short'>
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<p>Creates a future which will read all the bytes associated with the I/O
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object <code>A</code> into the buffer provided.</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="fn" href="fn.read_until.html"
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title='fn tokio_io::io::read_until'>read_until</a></td>
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<td class='docblock-short'>
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<p>Creates a future which will read all the bytes associated with the I/O
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object <code>A</code> into the buffer provided until the delimiter <code>byte</code> is reached.
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This method is the async equivalent to <a href="https://doc.rust-lang.org/std/io/trait.BufRead.html#method.read_until"><code>BufRead::read_until</code></a>.</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="fn" href="fn.shutdown.html"
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title='fn tokio_io::io::shutdown'>shutdown</a></td>
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<td class='docblock-short'>
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<p>Creates a future which will entirely shutdown an I/O object and then yield
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the object itself.</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="fn" href="fn.write_all.html"
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title='fn tokio_io::io::write_all'>write_all</a></td>
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<td class='docblock-short'>
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<p>Creates a future that will write the entire contents of the buffer <code>buf</code> to
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the stream <code>a</code> provided.</p>
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</td>
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Search functions by type signature (e.g.
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