blob: d15e0ff8cd139f2b06e64adfc80bfb71f348bc66 [file] [log] [blame]
<!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="A futures-aware mutex."><meta name="keywords" content="rust, rustlang, rust-lang, Mutex"><title>Mutex in futures_util::lock - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../futures_util/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../futures_util/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Mutex</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.get_mut">get_mut</a></li><li><a href="#method.into_inner">into_inner</a></li><li><a href="#method.lock">lock</a></li><li><a href="#method.lock_owned">lock_owned</a></li><li><a href="#method.new">new</a></li><li><a href="#method.try_lock">try_lock</a></li><li><a href="#method.try_lock_owned">try_lock_owned</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Debug-for-Mutex%3CT%3E">Debug</a></li><li><a href="#impl-Default-for-Mutex%3CT%3E">Default</a></li><li><a href="#impl-From%3CT%3E-for-Mutex%3CT%3E">From&lt;T&gt;</a></li><li><a href="#impl-Send-for-Mutex%3CT%3E">Send</a></li><li><a href="#impl-Sync-for-Mutex%3CT%3E">Sync</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Mutex%3CT%3E">!RefUnwindSafe</a></li><li><a href="#impl-Unpin-for-Mutex%3CT%3E">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Mutex%3CT%3E">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Mutex%3CT%3E">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Mutex%3CT%3E">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Mutex%3CT%3E">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3C!%3E-for-Mutex%3CT%3E">From&lt;!&gt;</a></li><li><a href="#impl-From%3CT%3E-for-Mutex%3CT%3E-1">From&lt;T&gt;</a></li><li><a href="#impl-Into%3CU%3E-for-Mutex%3CT%3E">Into&lt;U&gt;</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Mutex%3CT%3E">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-Mutex%3CT%3E">TryInto&lt;U&gt;</a></li></ul></section><h2><a href="index.html">In futures_util::lock</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="../index.html">futures_util</a>::<wbr><a href="index.html">lock</a>::<wbr><a class="struct" href="#">Mutex</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/futures_util/lock/mutex.rs.html#22-26">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct Mutex&lt;T:&nbsp;?Sized&gt; { /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A futures-aware mutex.</p>
<h2 id="fairness"><a href="#fairness">Fairness</a></h2>
<p>This mutex provides no fairness guarantees. Tasks may not acquire the mutex
in the order that they requested the lock, and it’s possible for a single task
which repeatedly takes the lock to starve other tasks, which may be left waiting
indefinitely.</p>
</div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Mutex%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#74-97">source</a><a href="#impl-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#76-82">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(t: T) -&gt; Self</h4></section></summary><div class="docblock"><p>Creates a new futures-aware mutex.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_inner" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#94-96">source</a><h4 class="code-header">pub fn <a href="#method.into_inner" class="fnname">into_inner</a>(self) -&gt; T</h4></section></summary><div class="docblock"><p>Consumes this mutex, returning the underlying data.</p>
<h5 id="examples"><a href="#examples">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::lock::Mutex;
<span class="kw">let </span>mutex = Mutex::new(<span class="number">0</span>);
<span class="macro">assert_eq!</span>(mutex.into_inner(), <span class="number">0</span>);</code></pre></div>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Mutex%3CT%3E-1" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#99-195">source</a><a href="#impl-Mutex%3CT%3E-1" class="anchor"></a><h3 class="code-header">impl&lt;T:&nbsp;?Sized&gt; <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_lock" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#103-110">source</a><h4 class="code-header">pub fn <a href="#method.try_lock" class="fnname">try_lock</a>(&amp;self) -&gt; Option&lt;<a class="struct" href="struct.MutexGuard.html" title="struct futures_util::lock::MutexGuard">MutexGuard</a>&lt;'_, T&gt;&gt;</h4></section></summary><div class="docblock"><p>Attempt to acquire the lock immediately.</p>
<p>If the lock is currently held, this will return <code>None</code>.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_lock_owned" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#115-122">source</a><h4 class="code-header">pub fn <a href="#method.try_lock_owned" class="fnname">try_lock_owned</a>(self: &amp;Arc&lt;Self&gt;) -&gt; Option&lt;<a class="struct" href="struct.OwnedMutexGuard.html" title="struct futures_util::lock::OwnedMutexGuard">OwnedMutexGuard</a>&lt;T&gt;&gt;</h4></section></summary><div class="docblock"><p>Attempt to acquire the lock immediately.</p>
<p>If the lock is currently held, this will return <code>None</code>.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.lock" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#128-130">source</a><h4 class="code-header">pub fn <a href="#method.lock" class="fnname">lock</a>(&amp;self) -&gt; <a class="struct" href="struct.MutexLockFuture.html" title="struct futures_util::lock::MutexLockFuture">MutexLockFuture</a>&lt;'_, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.MutexLockFuture.html" title="struct futures_util::lock::MutexLockFuture">MutexLockFuture</a>&lt;'a, T&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;'a, T:&nbsp;?Sized&gt; Future for <a class="struct" href="struct.MutexLockFuture.html" title="struct futures_util::lock::MutexLockFuture">MutexLockFuture</a>&lt;'a, T&gt;</span><span class="where fmt-newline"> type <a class="associatedtype">Output</a> = <a class="struct" href="struct.MutexGuard.html" title="struct futures_util::lock::MutexGuard">MutexGuard</a>&lt;'a, T&gt;;</span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Acquire the lock asynchronously.</p>
<p>This method returns a future that will resolve once the lock has been
successfully acquired.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.lock_owned" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#136-138">source</a><h4 class="code-header">pub fn <a href="#method.lock_owned" class="fnname">lock_owned</a>(self: Arc&lt;Self&gt;) -&gt; <a class="struct" href="struct.OwnedMutexLockFuture.html" title="struct futures_util::lock::OwnedMutexLockFuture">OwnedMutexLockFuture</a>&lt;T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.OwnedMutexLockFuture.html" title="struct futures_util::lock::OwnedMutexLockFuture">OwnedMutexLockFuture</a>&lt;T&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;T:&nbsp;?Sized&gt; Future for <a class="struct" href="struct.OwnedMutexLockFuture.html" title="struct futures_util::lock::OwnedMutexLockFuture">OwnedMutexLockFuture</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a class="associatedtype">Output</a> = <a class="struct" href="struct.OwnedMutexGuard.html" title="struct futures_util::lock::OwnedMutexGuard">OwnedMutexGuard</a>&lt;T&gt;;</span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Acquire the lock asynchronously.</p>
<p>This method returns a future that will resolve once the lock has been
successfully acquired.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.get_mut" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#156-160">source</a><h4 class="code-header">pub fn <a href="#method.get_mut" class="fnname">get_mut</a>(&amp;mut self) -&gt; &amp;mut T</h4></section></summary><div class="docblock"><p>Returns a mutable reference to the underlying data.</p>
<p>Since this call borrows the <code>Mutex</code> mutably, no actual locking needs to
take place – the mutable borrow statically guarantees no locks exist.</p>
<h5 id="examples-1"><a href="#examples-1">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::lock::Mutex;
<span class="kw">let </span><span class="kw-2">mut </span>mutex = Mutex::new(<span class="number">0</span>);
<span class="kw-2">*</span>mutex.get_mut() = <span class="number">10</span>;
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>mutex.lock().<span class="kw">await</span>, <span class="number">10</span>);</code></pre></div>
</div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-Mutex%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#28-36">source</a><a href="#impl-Debug-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T:&nbsp;?Sized&gt; Debug for <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#29-35">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&amp;self, f: &amp;mut Formatter&lt;'_&gt;) -&gt; Result</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Default-for-Mutex%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#44-48">source</a><a href="#impl-Default-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T:&nbsp;Default&gt; Default for <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.default" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#45-47">source</a><a href="#method.default" class="anchor"></a><h4 class="code-header">fn <a class="fnname">default</a>() -&gt; Self</h4></section></summary><div class='docblock'>Returns the “default value” for a type. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-From%3CT%3E-for-Mutex%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#38-42">source</a><a href="#impl-From%3CT%3E-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; From&lt;T&gt; for <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#39-41">source</a><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -&gt; Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><section id="impl-Send-for-Mutex%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#516">source</a><a href="#impl-Send-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T:&nbsp;?Sized + Send&gt; Send for <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;</h3></section><section id="impl-Sync-for-Mutex%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/lock/mutex.rs.html#517">source</a><a href="#impl-Sync-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T:&nbsp;?Sized + Send&gt; Sync for <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;</h3></section></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"><section id="impl-RefUnwindSafe-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; !RefUnwindSafe for <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;</h3></section><section id="impl-Unpin-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-Unpin-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T:&nbsp;?Sized&gt; Unpin for <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: Unpin,</span></h3></section><section id="impl-UnwindSafe-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T:&nbsp;?Sized&gt; UnwindSafe for <a class="struct" href="struct.Mutex.html" title="struct futures_util::lock::Mutex">Mutex</a>&lt;T&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: UnwindSafe,</span></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-Any-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; Any for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a class="fnname">type_id</a>(&amp;self) -&gt; TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; Borrow&lt;T&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow</a>(&amp;self) -&gt; &amp;T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; BorrowMut&lt;T&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow_mut</a>(&amp;mut self) -&gt; &amp;mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3C!%3E-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-From%3C!%3E-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; From&lt;!&gt; for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from-2" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: !) -&gt; T</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-Mutex%3CT%3E-1" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-Mutex%3CT%3E-1" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; From&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; Into&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: From&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code>[From]&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; TryFrom&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: Into&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_from</a>(value: U) -&gt; Result&lt;T, &lt;T as TryFrom&lt;U&gt;&gt;::Error&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-Mutex%3CT%3E" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-Mutex%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; TryInto&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: TryFrom&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = &lt;U as TryFrom&lt;T&gt;&gt;::Error</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_into</a>(self) -&gt; Result&lt;U, &lt;U as TryFrom&lt;T&gt;&gt;::Error&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="futures_util" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>