<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `Stdio` struct in crate `std`."><meta name="keywords" content="rust, rustlang, rust-lang, Stdio"><title>std::process::Stdio - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize1.35.0.css"><link rel="stylesheet" type="text/css" href="../../rustdoc1.35.0.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark1.35.0.css"><link rel="stylesheet" type="text/css" href="../../light1.35.0.css" id="themeStyle"><script src="../../storage1.35.0.js"></script><noscript><link rel="stylesheet" href="../../noscript1.35.0.css"></noscript><link rel="shortcut icon" href="../../favicon1.35.0.ico"><style type="text/css">#crate-search{background-image:url("../../down-arrow1.35.0.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../std/index.html'><img src='../../rust-logo1.35.0.png' alt='logo' width='100'></a><p class='location'>Struct Stdio</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.inherit">inherit</a><a href="#method.null">null</a><a href="#method.piped">piped</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-From%3CChildStderr%3E">From<ChildStderr></a><a href="#impl-From%3CChildStdin%3E">From<ChildStdin></a><a href="#impl-From%3CChildStdout%3E">From<ChildStdout></a><a href="#impl-From%3CFile%3E">From<File></a><a href="#impl-FromRawFd">FromRawFd</a><a href="#impl-FromRawHandle">FromRawHandle</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow">Borrow</a><a href="#impl-BorrowMut">BorrowMut</a><a href="#impl-From">From</a><a href="#impl-Into">Into</a><a href="#impl-TryFrom">TryFrom</a><a href="#impl-TryInto">TryInto</a></div></div><p class='location'><a href='../index.html'>std</a>::<wbr><a href='index.html'>process</a></p><script>window.sidebarCurrent = {name: 'Stdio', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush1.35.0.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme1.35.0.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../settings.html"><img src="../../wheel1.35.0.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/std/process.rs.html#877' title='goto source code'>[src]</a></span><span class='in-band'>Struct <a href='../index.html'>std</a>::<wbr><a href='index.html'>process</a>::<wbr><a class="struct" href=''>Stdio</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust struct'>pub struct Stdio(_);</pre></div><div class='docblock'><p>Describes what to do with a standard I/O stream for a child process when
passed to the <a href="struct.Command.html#method.stdin"><code>stdin</code></a>, <a href="struct.Command.html#method.stdout"><code>stdout</code></a>, and <a href="struct.Command.html#method.stderr"><code>stderr</code></a> methods of <a href="struct.Command.html"><code>Command</code></a>.</p>
</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><code class='in-band'>impl <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl' class='anchor'></a><a class='srclink' href='../../src/std/process.rs.html#879-995' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.piped' class="method"><code id='piped.v'>pub fn <a href='#method.piped' class='fnname'>piped</a>() -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/process.rs.html#920' title='goto source code'>[src]</a></h4><div class='docblock'><p>A new pipe should be arranged to connect the parent and child processes.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<p>With stdout:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">let</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"echo"</span>)
.<span class="ident">arg</span>(<span class="string">"Hello, world!"</span>)
.<span class="ident">stdout</span>(<span class="ident">Stdio</span>::<span class="ident">piped</span>())
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"Failed to execute command"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">String</span>::<span class="ident">from_utf8_lossy</span>(<span class="kw-2">&</span><span class="ident">output</span>.<span class="ident">stdout</span>), <span class="string">"Hello, world!\n"</span>);
<span class="comment">// Nothing echoed to console</span><a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0A%0Alet%20output%20%3D%20Command%3A%3Anew(%22echo%22)%0A%20%20%20%20.arg(%22Hello%2C%20world!%22)%0A%20%20%20%20.stdout(Stdio%3A%3Apiped())%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22Failed%20to%20execute%20command%22)%3B%0A%0Aassert_eq!(String%3A%3Afrom_utf8_lossy(%26output.stdout)%2C%20%22Hello%2C%20world!%5Cn%22)%3B%0A%2F%2F%20Nothing%20echoed%20to%20console%0A%7D">Run</a></pre></div>
<p>With stdin:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="ident">Write</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">child</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"rev"</span>)
.<span class="ident">stdin</span>(<span class="ident">Stdio</span>::<span class="ident">piped</span>())
.<span class="ident">stdout</span>(<span class="ident">Stdio</span>::<span class="ident">piped</span>())
.<span class="ident">spawn</span>()
.<span class="ident">expect</span>(<span class="string">"Failed to spawn child process"</span>);
{
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stdin</span> <span class="op">=</span> <span class="ident">child</span>.<span class="ident">stdin</span>.<span class="ident">as_mut</span>().<span class="ident">expect</span>(<span class="string">"Failed to open stdin"</span>);
<span class="ident">stdin</span>.<span class="ident">write_all</span>(<span class="string">"Hello, world!"</span>.<span class="ident">as_bytes</span>()).<span class="ident">expect</span>(<span class="string">"Failed to write to stdin"</span>);
}
<span class="kw">let</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">child</span>.<span class="ident">wait_with_output</span>().<span class="ident">expect</span>(<span class="string">"Failed to read stdout"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">String</span>::<span class="ident">from_utf8_lossy</span>(<span class="kw-2">&</span><span class="ident">output</span>.<span class="ident">stdout</span>), <span class="string">"!dlrow ,olleH\n"</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aio%3A%3AWrite%3B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0A%0Alet%20mut%20child%20%3D%20Command%3A%3Anew(%22rev%22)%0A%20%20%20%20.stdin(Stdio%3A%3Apiped())%0A%20%20%20%20.stdout(Stdio%3A%3Apiped())%0A%20%20%20%20.spawn()%0A%20%20%20%20.expect(%22Failed%20to%20spawn%20child%20process%22)%3B%0A%0A%7B%0A%20%20%20%20let%20mut%20stdin%20%3D%20child.stdin.as_mut().expect(%22Failed%20to%20open%20stdin%22)%3B%0A%20%20%20%20stdin.write_all(%22Hello%2C%20world!%22.as_bytes()).expect(%22Failed%20to%20write%20to%20stdin%22)%3B%0A%7D%0A%0Alet%20output%20%3D%20child.wait_with_output().expect(%22Failed%20to%20read%20stdout%22)%3B%0Aassert_eq!(String%3A%3Afrom_utf8_lossy(%26output.stdout)%2C%20%22!dlrow%20%2ColleH%5Cn%22)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.inherit' class="method"><code id='inherit.v'>pub fn <a href='#method.inherit' class='fnname'>inherit</a>() -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/process.rs.html#957' title='goto source code'>[src]</a></h4><div class='docblock'><p>The child inherits from the corresponding parent descriptor.</p>
<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
<p>With stdout:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">let</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"echo"</span>)
.<span class="ident">arg</span>(<span class="string">"Hello, world!"</span>)
.<span class="ident">stdout</span>(<span class="ident">Stdio</span>::<span class="ident">inherit</span>())
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"Failed to execute command"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">String</span>::<span class="ident">from_utf8_lossy</span>(<span class="kw-2">&</span><span class="ident">output</span>.<span class="ident">stdout</span>), <span class="string">""</span>);
<span class="comment">// "Hello, world!" echoed to console</span><a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0A%0Alet%20output%20%3D%20Command%3A%3Anew(%22echo%22)%0A%20%20%20%20.arg(%22Hello%2C%20world!%22)%0A%20%20%20%20.stdout(Stdio%3A%3Ainherit())%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22Failed%20to%20execute%20command%22)%3B%0A%0Aassert_eq!(String%3A%3Afrom_utf8_lossy(%26output.stdout)%2C%20%22%22)%3B%0A%2F%2F%20%22Hello%2C%20world!%22%20echoed%20to%20console%0A%7D">Run</a></pre></div>
<p>With stdin:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::{<span class="self">self</span>, <span class="ident">Write</span>};
<span class="kw">let</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"rev"</span>)
.<span class="ident">stdin</span>(<span class="ident">Stdio</span>::<span class="ident">inherit</span>())
.<span class="ident">stdout</span>(<span class="ident">Stdio</span>::<span class="ident">piped</span>())
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"Failed to execute command"</span>);
<span class="macro">print</span><span class="macro">!</span>(<span class="string">"You piped in the reverse of: "</span>);
<span class="ident">io</span>::<span class="ident">stdout</span>().<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">output</span>.<span class="ident">stdout</span>).<span class="ident">unwrap</span>();<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0Ause%20std%3A%3Aio%3A%3A%7Bself%2C%20Write%7D%3B%0A%0Alet%20output%20%3D%20Command%3A%3Anew(%22rev%22)%0A%20%20%20%20.stdin(Stdio%3A%3Ainherit())%0A%20%20%20%20.stdout(Stdio%3A%3Apiped())%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22Failed%20to%20execute%20command%22)%3B%0A%0Aprint!(%22You%20piped%20in%20the%20reverse%20of%3A%20%22)%3B%0Aio%3A%3Astdout().write_all(%26output.stdout).unwrap()%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.null' class="method"><code id='null.v'>pub fn <a href='#method.null' class='fnname'>null</a>() -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/process.rs.html#994' title='goto source code'>[src]</a></h4><div class='docblock'><p>This stream will be ignored. This is the equivalent of attaching the
stream to <code>/dev/null</code></p>
<h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
<p>With stdout:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">let</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"echo"</span>)
.<span class="ident">arg</span>(<span class="string">"Hello, world!"</span>)
.<span class="ident">stdout</span>(<span class="ident">Stdio</span>::<span class="ident">null</span>())
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"Failed to execute command"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">String</span>::<span class="ident">from_utf8_lossy</span>(<span class="kw-2">&</span><span class="ident">output</span>.<span class="ident">stdout</span>), <span class="string">""</span>);
<span class="comment">// Nothing echoed to console</span><a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0A%0Alet%20output%20%3D%20Command%3A%3Anew(%22echo%22)%0A%20%20%20%20.arg(%22Hello%2C%20world!%22)%0A%20%20%20%20.stdout(Stdio%3A%3Anull())%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22Failed%20to%20execute%20command%22)%3B%0A%0Aassert_eq!(String%3A%3Afrom_utf8_lossy(%26output.stdout)%2C%20%22%22)%3B%0A%2F%2F%20Nothing%20echoed%20to%20console%0A%7D">Run</a></pre></div>
<p>With stdin:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">let</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"rev"</span>)
.<span class="ident">stdin</span>(<span class="ident">Stdio</span>::<span class="ident">null</span>())
.<span class="ident">stdout</span>(<span class="ident">Stdio</span>::<span class="ident">piped</span>())
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"Failed to execute command"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">String</span>::<span class="ident">from_utf8_lossy</span>(<span class="kw-2">&</span><span class="ident">output</span>.<span class="ident">stdout</span>), <span class="string">""</span>);
<span class="comment">// Ignores any piped-in input</span><a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0A%0Alet%20output%20%3D%20Command%3A%3Anew(%22rev%22)%0A%20%20%20%20.stdin(Stdio%3A%3Anull())%0A%20%20%20%20.stdout(Stdio%3A%3Apiped())%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22Failed%20to%20execute%20command%22)%3B%0A%0Aassert_eq!(String%3A%3Afrom_utf8_lossy(%26output.stdout)%2C%20%22%22)%3B%0A%2F%2F%20Ignores%20any%20piped-in%20input%0A%7D">Run</a></pre></div>
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-FromRawFd' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/os/unix/io/trait.FromRawFd.html" title="trait std::os::unix::io::FromRawFd">FromRawFd</a> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-FromRawFd' class='anchor'></a><div class='since' title='Stable since Rust version 1.2.0'>1.2.0</div><a class='srclink' href='../../src/std/sys/unix/ext/process.rs.html#159-165' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_raw_fd' class="method hidden"><code id='from_raw_fd.v'>unsafe fn <a href='../../std/os/unix/io/trait.FromRawFd.html#tymethod.from_raw_fd' class='fnname'>from_raw_fd</a>(fd: <a class="type" href="../../std/os/unix/io/type.RawFd.html" title="type std::os::unix::io::RawFd">RawFd</a>) -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/sys/unix/ext/process.rs.html#160-164' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab portability'>This is supported on <strong>Unix</strong> only.</div></div><div class='docblock hidden'><p>Constructs a new instance of <code>Self</code> from the given raw file descriptor. <a href="../../std/os/unix/io/trait.FromRawFd.html#tymethod.from_raw_fd">Read more</a></p>
</div></div><h3 id='impl-FromRawHandle' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/os/windows/io/trait.FromRawHandle.html" title="trait std::os::windows::io::FromRawHandle">FromRawHandle</a> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-FromRawHandle' class='anchor'></a><div class='since' title='Stable since Rust version 1.2.0'>1.2.0</div><a class='srclink' href='../../src/std/sys/windows/ext/process.rs.html#11-17' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_raw_handle' class="method hidden"><code id='from_raw_handle.v'>unsafe fn <a href='../../std/os/windows/io/trait.FromRawHandle.html#tymethod.from_raw_handle' class='fnname'>from_raw_handle</a>(handle: <a class="type" href="../../std/os/windows/io/type.RawHandle.html" title="type std::os::windows::io::RawHandle">RawHandle</a>) -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/sys/windows/ext/process.rs.html#12-16' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab portability'>This is supported on <strong>Windows</strong> only.</div></div><div class='docblock hidden'><p>Constructs a new I/O object from the specified raw handle. <a href="../../std/os/windows/io/trait.FromRawHandle.html#tymethod.from_raw_handle">Read more</a></p>
</div></div><h3 id='impl-Debug' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/fmt/trait.Debug.html" title="trait std::fmt::Debug">Debug</a> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-Debug' class='anchor'></a><div class='since' title='Stable since Rust version 1.16.0'>1.16.0</div><a class='srclink' href='../../src/std/process.rs.html#1004-1008' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt' class="method hidden"><code id='fmt.v'>fn <a href='../../std/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="../../std/fmt/struct.Formatter.html" title="struct std::fmt::Formatter">Formatter</a>) -> <a class="type" href="../../std/fmt/type.Result.html" title="type std::fmt::Result">Result</a></code><a class='srclink' href='../../src/std/process.rs.html#1005-1007' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="../../std/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id='impl-From%3CChildStdin%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/convert/trait.From.html" title="trait std::convert::From">From</a><<a class="struct" href="../../std/process/struct.ChildStdin.html" title="struct std::process::ChildStdin">ChildStdin</a>> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-From%3CChildStdin%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.20.0'>1.20.0</div><a class='srclink' href='../../src/std/process.rs.html#1011-1037' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method"><code id='from.v'>fn <a href='../../std/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(child: <a class="struct" href="../../std/process/struct.ChildStdin.html" title="struct std::process::ChildStdin">ChildStdin</a>) -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/process.rs.html#1034-1036' title='goto source code'>[src]</a></h4><div class='docblock'><p>Converts a <code>ChildStdin</code> into a <code>Stdio</code></p>
<h1 id="examples-3" class="section-header"><a href="#examples-3">Examples</a></h1>
<p><code>ChildStdin</code> will be converted to <code>Stdio</code> using <code>Stdio::from</code> under the hood.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">let</span> <span class="ident">reverse</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"rev"</span>)
.<span class="ident">stdin</span>(<span class="ident">Stdio</span>::<span class="ident">piped</span>())
.<span class="ident">spawn</span>()
.<span class="ident">expect</span>(<span class="string">"failed reverse command"</span>);
<span class="kw">let</span> <span class="ident">_echo</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"echo"</span>)
.<span class="ident">arg</span>(<span class="string">"Hello, world!"</span>)
.<span class="ident">stdout</span>(<span class="ident">reverse</span>.<span class="ident">stdin</span>.<span class="ident">unwrap</span>()) <span class="comment">// Converted into a Stdio here</span>
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"failed echo command"</span>);
<span class="comment">// "!dlrow ,olleH" echoed to console</span><a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0A%0Alet%20reverse%20%3D%20Command%3A%3Anew(%22rev%22)%0A%20%20%20%20.stdin(Stdio%3A%3Apiped())%0A%20%20%20%20.spawn()%0A%20%20%20%20.expect(%22failed%20reverse%20command%22)%3B%0A%0Alet%20_echo%20%3D%20Command%3A%3Anew(%22echo%22)%0A%20%20%20%20.arg(%22Hello%2C%20world!%22)%0A%20%20%20%20.stdout(reverse.stdin.unwrap())%20%2F%2F%20Converted%20into%20a%20Stdio%20here%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22failed%20echo%20command%22)%3B%0A%0A%2F%2F%20%22!dlrow%20%2ColleH%22%20echoed%20to%20console%0A%7D">Run</a></pre></div>
</div></div><h3 id='impl-From%3CChildStdout%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/convert/trait.From.html" title="trait std::convert::From">From</a><<a class="struct" href="../../std/process/struct.ChildStdout.html" title="struct std::process::ChildStdout">ChildStdout</a>> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-From%3CChildStdout%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.20.0'>1.20.0</div><a class='srclink' href='../../src/std/process.rs.html#1040-1066' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from-1' class="method"><code id='from.v-1'>fn <a href='../../std/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(child: <a class="struct" href="../../std/process/struct.ChildStdout.html" title="struct std::process::ChildStdout">ChildStdout</a>) -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/process.rs.html#1063-1065' title='goto source code'>[src]</a></h4><div class='docblock'><p>Converts a <code>ChildStdout</code> into a <code>Stdio</code></p>
<h1 id="examples-4" class="section-header"><a href="#examples-4">Examples</a></h1>
<p><code>ChildStdout</code> will be converted to <code>Stdio</code> using <code>Stdio::from</code> under the hood.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">let</span> <span class="ident">hello</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"echo"</span>)
.<span class="ident">arg</span>(<span class="string">"Hello, world!"</span>)
.<span class="ident">stdout</span>(<span class="ident">Stdio</span>::<span class="ident">piped</span>())
.<span class="ident">spawn</span>()
.<span class="ident">expect</span>(<span class="string">"failed echo command"</span>);
<span class="kw">let</span> <span class="ident">reverse</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"rev"</span>)
.<span class="ident">stdin</span>(<span class="ident">hello</span>.<span class="ident">stdout</span>.<span class="ident">unwrap</span>()) <span class="comment">// Converted into a Stdio here</span>
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"failed reverse command"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">reverse</span>.<span class="ident">stdout</span>, <span class="string">b"!dlrow ,olleH\n"</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0A%0Alet%20hello%20%3D%20Command%3A%3Anew(%22echo%22)%0A%20%20%20%20.arg(%22Hello%2C%20world!%22)%0A%20%20%20%20.stdout(Stdio%3A%3Apiped())%0A%20%20%20%20.spawn()%0A%20%20%20%20.expect(%22failed%20echo%20command%22)%3B%0A%0Alet%20reverse%20%3D%20Command%3A%3Anew(%22rev%22)%0A%20%20%20%20.stdin(hello.stdout.unwrap())%20%20%2F%2F%20Converted%20into%20a%20Stdio%20here%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22failed%20reverse%20command%22)%3B%0A%0Aassert_eq!(reverse.stdout%2C%20b%22!dlrow%20%2ColleH%5Cn%22)%3B%0A%7D">Run</a></pre></div>
</div></div><h3 id='impl-From%3CChildStderr%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/convert/trait.From.html" title="trait std::convert::From">From</a><<a class="struct" href="../../std/process/struct.ChildStderr.html" title="struct std::process::ChildStderr">ChildStderr</a>> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-From%3CChildStderr%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.20.0'>1.20.0</div><a class='srclink' href='../../src/std/process.rs.html#1069-1097' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from-2' class="method"><code id='from.v-2'>fn <a href='../../std/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(child: <a class="struct" href="../../std/process/struct.ChildStderr.html" title="struct std::process::ChildStderr">ChildStderr</a>) -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/process.rs.html#1094-1096' title='goto source code'>[src]</a></h4><div class='docblock'><p>Converts a <code>ChildStderr</code> into a <code>Stdio</code></p>
<h1 id="examples-5" class="section-header"><a href="#examples-5">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::{<span class="ident">Command</span>, <span class="ident">Stdio</span>};
<span class="kw">let</span> <span class="ident">reverse</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"rev"</span>)
.<span class="ident">arg</span>(<span class="string">"non_existing_file.txt"</span>)
.<span class="ident">stderr</span>(<span class="ident">Stdio</span>::<span class="ident">piped</span>())
.<span class="ident">spawn</span>()
.<span class="ident">expect</span>(<span class="string">"failed reverse command"</span>);
<span class="kw">let</span> <span class="ident">cat</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"cat"</span>)
.<span class="ident">arg</span>(<span class="string">"-"</span>)
.<span class="ident">stdin</span>(<span class="ident">reverse</span>.<span class="ident">stderr</span>.<span class="ident">unwrap</span>()) <span class="comment">// Converted into a Stdio here</span>
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"failed echo command"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">String</span>::<span class="ident">from_utf8_lossy</span>(<span class="kw-2">&</span><span class="ident">cat</span>.<span class="ident">stdout</span>),
<span class="string">"rev: cannot open non_existing_file.txt: No such file or directory\n"</span>
);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aprocess%3A%3A%7BCommand%2C%20Stdio%7D%3B%0A%0Alet%20reverse%20%3D%20Command%3A%3Anew(%22rev%22)%0A%20%20%20%20.arg(%22non_existing_file.txt%22)%0A%20%20%20%20.stderr(Stdio%3A%3Apiped())%0A%20%20%20%20.spawn()%0A%20%20%20%20.expect(%22failed%20reverse%20command%22)%3B%0A%0Alet%20cat%20%3D%20Command%3A%3Anew(%22cat%22)%0A%20%20%20%20.arg(%22-%22)%0A%20%20%20%20.stdin(reverse.stderr.unwrap())%20%2F%2F%20Converted%20into%20a%20Stdio%20here%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22failed%20echo%20command%22)%3B%0A%0Aassert_eq!(%0A%20%20%20%20String%3A%3Afrom_utf8_lossy(%26cat.stdout)%2C%0A%20%20%20%20%22rev%3A%20cannot%20open%20non_existing_file.txt%3A%20No%20such%20file%20or%20directory%5Cn%22%0A)%3B%0A%7D">Run</a></pre></div>
</div></div><h3 id='impl-From%3CFile%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/convert/trait.From.html" title="trait std::convert::From">From</a><<a class="struct" href="../../std/fs/struct.File.html" title="struct std::fs::File">File</a>> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-From%3CFile%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.20.0'>1.20.0</div><a class='srclink' href='../../src/std/process.rs.html#1100-1124' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from-3' class="method"><code id='from.v-3'>fn <a href='../../std/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(file: <a class="struct" href="../../std/fs/struct.File.html" title="struct std::fs::File">File</a>) -> <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a class='srclink' href='../../src/std/process.rs.html#1121-1123' title='goto source code'>[src]</a></h4><div class='docblock'><p>Converts a <code>File</code> into a <code>Stdio</code></p>
<h1 id="examples-6" class="section-header"><a href="#examples-6">Examples</a></h1>
<p><code>File</code> will be converted to <code>Stdio</code> using <code>Stdio::from</code> under the hood.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>::<span class="ident">File</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">process</span>::<span class="ident">Command</span>;
<span class="comment">// With the `foo.txt` file containing `Hello, world!"</span>
<span class="kw">let</span> <span class="ident">file</span> <span class="op">=</span> <span class="ident">File</span>::<span class="ident">open</span>(<span class="string">"foo.txt"</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">reverse</span> <span class="op">=</span> <span class="ident">Command</span>::<span class="ident">new</span>(<span class="string">"rev"</span>)
.<span class="ident">stdin</span>(<span class="ident">file</span>) <span class="comment">// Implicit File conversion into a Stdio</span>
.<span class="ident">output</span>()
.<span class="ident">expect</span>(<span class="string">"failed reverse command"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">reverse</span>.<span class="ident">stdout</span>, <span class="string">b"!dlrow ,olleH"</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Afs%3A%3AFile%3B%0Ause%20std%3A%3Aprocess%3A%3ACommand%3B%0A%0A%2F%2F%20With%20the%20%60foo.txt%60%20file%20containing%20%60Hello%2C%20world!%22%0Alet%20file%20%3D%20File%3A%3Aopen(%22foo.txt%22).unwrap()%3B%0A%0Alet%20reverse%20%3D%20Command%3A%3Anew(%22rev%22)%0A%20%20%20%20.stdin(file)%20%20%2F%2F%20Implicit%20File%20conversion%20into%20a%20Stdio%0A%20%20%20%20.output()%0A%20%20%20%20.expect(%22failed%20reverse%20command%22)%3B%0A%0Aassert_eq!(reverse.stdout%2C%20b%22!dlrow%20%2ColleH%22)%3B%0A%7D">Run</a></pre></div>
</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Send' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/marker/trait.Send.html" title="trait std::marker::Send">Send</a> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-Send' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><code class='in-band'>impl <a class="trait" href="../../std/marker/trait.Sync.html" title="trait std::marker::Sync">Sync</a> for <a class="struct" href="../../std/process/struct.Stdio.html" title="struct std::process::Stdio">Stdio</a></code><a href='#impl-Sync' class='anchor'></a></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-TryFrom' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="../../std/convert/trait.TryFrom.html" title="trait std::convert::TryFrom">TryFrom</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="../../std/convert/trait.Into.html" title="trait std::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom' class='anchor'></a><a class='srclink' href='../../src/core/convert.rs.html#565-571' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code id='Error.t'>type <a href='../../std/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="enum" href="../../std/convert/enum.Infallible.html" title="enum std::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id='method.try_from' class="method hidden"><code id='try_from.v'>fn <a href='../../std/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="../../std/result/enum.Result.html" title="enum std::result::Result">Result</a><T, <T as <a class="trait" href="../../std/convert/trait.TryFrom.html" title="trait std::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="../../std/convert/trait.TryFrom.html#associatedtype.Error" title="type std::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='../../src/core/convert.rs.html#568-570' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-From' class='impl'><code class='in-band'>impl<T> <a class="trait" href="../../std/convert/trait.From.html" title="trait std::convert::From">From</a> for T</code><a href='#impl-From' class='anchor'></a><a class='srclink' href='../../src/core/convert.rs.html#546-548' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from-4' class="method hidden"><code id='from.v-4'>fn <a href='../../std/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code><a class='srclink' href='../../src/core/convert.rs.html#547' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-TryInto' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="../../std/convert/trait.TryInto.html" title="trait std::convert::TryInto">TryInto</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="../../std/convert/trait.TryFrom.html" title="trait std::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto' class='anchor'></a><a class='srclink' href='../../src/core/convert.rs.html#553-560' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code id='Error.t-1'>type <a href='../../std/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="../../std/convert/trait.TryFrom.html" title="trait std::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="../../std/convert/trait.TryFrom.html#associatedtype.Error" title="type std::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id='method.try_into' class="method hidden"><code id='try_into.v'>fn <a href='../../std/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="../../std/result/enum.Result.html" title="enum std::result::Result">Result</a><U, <U as <a class="trait" href="../../std/convert/trait.TryFrom.html" title="trait std::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="../../std/convert/trait.TryFrom.html#associatedtype.Error" title="type std::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='../../src/core/convert.rs.html#557-559' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-Into' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="../../std/convert/trait.Into.html" title="trait std::convert::Into">Into</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="../../std/convert/trait.From.html" title="trait std::convert::From">From</a><T>, </span></code><a href='#impl-Into' class='anchor'></a><a class='srclink' href='../../src/core/convert.rs.html#537-542' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code id='into.v'>fn <a href='../../std/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(self) -> U</code><a class='srclink' href='../../src/core/convert.rs.html#539-541' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-Borrow' class='impl'><code class='in-band'>impl<T> <a class="trait" href="../../std/borrow/trait.Borrow.html" title="trait std::borrow::Borrow">Borrow</a> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow' class='anchor'></a><a class='srclink' href='../../src/core/borrow.rs.html#213-215' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>F</span></div><div class="content hidden"><h3 class="important">Important traits for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl<'_, F> <a class="trait" href="../../std/future/trait.Future.html" title="trait std::future::Future">Future</a> for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>F <span class="where fmt-newline">where<br> F: <a class="trait" href="../../std/marker/trait.Unpin.html" title="trait std::marker::Unpin">Unpin</a> + <a class="trait" href="../../std/future/trait.Future.html" title="trait std::future::Future">Future</a> + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='../../std/future/trait.Future.html#associatedtype.Output' class="type">Output</a> = <F as <a class="trait" href="../../std/future/trait.Future.html" title="trait std::future::Future">Future</a>>::<a class="type" href="../../std/future/trait.Future.html#associatedtype.Output" title="type std::future::Future::Output">Output</a>;</span><span class="where fmt-newline">impl<'_, I> <a class="trait" href="../../std/iter/trait.Iterator.html" title="trait std::iter::Iterator">Iterator</a> for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>I <span class="where fmt-newline">where<br> I: <a class="trait" href="../../std/iter/trait.Iterator.html" title="trait std::iter::Iterator">Iterator</a> + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='../../std/iter/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <I as <a class="trait" href="../../std/iter/trait.Iterator.html" title="trait std::iter::Iterator">Iterator</a>>::<a class="type" href="../../std/iter/trait.Iterator.html#associatedtype.Item" title="type std::iter::Iterator::Item">Item</a>;</span><span class="where fmt-newline">impl<R: <a class="trait" href="../../std/io/trait.Read.html" title="trait std::io::Read">Read</a> + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, '_> <a class="trait" href="../../std/io/trait.Read.html" title="trait std::io::Read">Read</a> for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>R</span><span class="where fmt-newline">impl<W: <a class="trait" href="../../std/io/trait.Write.html" title="trait std::io::Write">Write</a> + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, '_> <a class="trait" href="../../std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>W</span></code></div></div><code id='borrow.v'>fn <a href='../../std/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="../primitive.reference.html">&</a>T</code><a class='srclink' href='../../src/core/borrow.rs.html#214' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="../../std/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id='impl-BorrowMut' class='impl'><code class='in-band'>impl<T> <a class="trait" href="../../std/borrow/trait.BorrowMut.html" title="trait std::borrow::BorrowMut">BorrowMut</a> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut' class='anchor'></a><a class='srclink' href='../../src/core/borrow.rs.html#218-220' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>F</span></div><div class="content hidden"><h3 class="important">Important traits for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl<'_, F> <a class="trait" href="../../std/future/trait.Future.html" title="trait std::future::Future">Future</a> for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>F <span class="where fmt-newline">where<br> F: <a class="trait" href="../../std/marker/trait.Unpin.html" title="trait std::marker::Unpin">Unpin</a> + <a class="trait" href="../../std/future/trait.Future.html" title="trait std::future::Future">Future</a> + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='../../std/future/trait.Future.html#associatedtype.Output' class="type">Output</a> = <F as <a class="trait" href="../../std/future/trait.Future.html" title="trait std::future::Future">Future</a>>::<a class="type" href="../../std/future/trait.Future.html#associatedtype.Output" title="type std::future::Future::Output">Output</a>;</span><span class="where fmt-newline">impl<'_, I> <a class="trait" href="../../std/iter/trait.Iterator.html" title="trait std::iter::Iterator">Iterator</a> for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>I <span class="where fmt-newline">where<br> I: <a class="trait" href="../../std/iter/trait.Iterator.html" title="trait std::iter::Iterator">Iterator</a> + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='../../std/iter/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <I as <a class="trait" href="../../std/iter/trait.Iterator.html" title="trait std::iter::Iterator">Iterator</a>>::<a class="type" href="../../std/iter/trait.Iterator.html#associatedtype.Item" title="type std::iter::Iterator::Item">Item</a>;</span><span class="where fmt-newline">impl<R: <a class="trait" href="../../std/io/trait.Read.html" title="trait std::io::Read">Read</a> + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, '_> <a class="trait" href="../../std/io/trait.Read.html" title="trait std::io::Read">Read</a> for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>R</span><span class="where fmt-newline">impl<W: <a class="trait" href="../../std/io/trait.Write.html" title="trait std::io::Write">Write</a> + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, '_> <a class="trait" href="../../std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="primitive" href="../primitive.reference.html">&'_ mut </a>W</span></code></div></div><code id='borrow_mut.v'>fn <a href='../../std/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="../primitive.reference.html">&mut </a>T</code><a class='srclink' href='../../src/core/borrow.rs.html#219' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="../../std/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id='impl-Any' class='impl'><code class='in-band'>impl<T> <a class="trait" href="../../std/any/trait.Any.html" title="trait std::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="../../std/marker/trait.Sized.html" title="trait std::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a><a class='srclink' href='../../src/core/any.rs.html#100-102' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code id='type_id.v'>fn <a href='../../std/any/trait.Any.html#tymethod.type_id' class='fnname'>type_id</a>(&self) -> <a class="struct" href="../../std/any/struct.TypeId.html" title="struct std::any::TypeId">TypeId</a></code><a class='srclink' href='../../src/core/any.rs.html#101' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="../../std/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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