340 lines
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340 lines
71 KiB
HTML
<!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="An async reader-writer lock."><title>RwLock in async_lock - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-42caa33d.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="async_lock" data-themes="" data-resource-suffix="" 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class="sidebar-crate"><a class="logo-container" href="../async_lock/index.html"><img src="https://raw.githubusercontent.com/smol-rs/smol/master/assets/images/logo_fullsize_transparent.png" alt="logo"></a><h2><a href="../async_lock/index.html">async_<wbr>lock</a><span class="version">3.4.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">RwLock</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#examples" title="Examples">Examples</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.get_mut" title="get_mut">get_mut</a></li><li><a href="#method.into_inner" title="into_inner">into_inner</a></li><li><a href="#method.new" title="new">new</a></li><li><a href="#method.read" title="read">read</a></li><li><a href="#method.read_arc" title="read_arc">read_arc</a></li><li><a href="#method.read_arc_blocking" title="read_arc_blocking">read_arc_blocking</a></li><li><a href="#method.read_blocking" title="read_blocking">read_blocking</a></li><li><a href="#method.try_read" title="try_read">try_read</a></li><li><a href="#method.try_read_arc" title="try_read_arc">try_read_arc</a></li><li><a href="#method.try_upgradable_read" title="try_upgradable_read">try_upgradable_read</a></li><li><a href="#method.try_upgradable_read_arc" title="try_upgradable_read_arc">try_upgradable_read_arc</a></li><li><a href="#method.try_write" title="try_write">try_write</a></li><li><a href="#method.try_write_arc" title="try_write_arc">try_write_arc</a></li><li><a href="#method.upgradable_read" title="upgradable_read">upgradable_read</a></li><li><a href="#method.upgradable_read_arc" title="upgradable_read_arc">upgradable_read_arc</a></li><li><a href="#method.upgradable_read_arc_blocking" title="upgradable_read_arc_blocking">upgradable_read_arc_blocking</a></li><li><a href="#method.upgradable_read_blocking" title="upgradable_read_blocking">upgradable_read_blocking</a></li><li><a href="#method.write" title="write">write</a></li><li><a href="#method.write_arc" title="write_arc">write_arc</a></li><li><a href="#method.write_arc_blocking" title="write_arc_blocking">write_arc_blocking</a></li><li><a href="#method.write_blocking" title="write_blocking">write_blocking</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-RwLock%3CT%3E" title="Debug">Debug</a></li><li><a href="#impl-Default-for-RwLock%3CT%3E" title="Default">Default</a></li><li><a href="#impl-From%3CT%3E-for-RwLock%3CT%3E" title="From<T>">From<T></a></li><li><a href="#impl-Send-for-RwLock%3CT%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-RwLock%3CT%3E" title="Sync">Sync</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-RwLock%3CT%3E" title="!Freeze">!Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-RwLock%3CT%3E" title="!RefUnwindSafe">!RefUnwindSafe</a></li><li><a href="#impl-Unpin-for-RwLock%3CT%3E" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-RwLock%3CT%3E" title="UnwindSafe">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow<T>">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut<T>">BorrowMut<T></a></li><li><a href="#impl-From%3C!%3E-for-T" title="From<!>">From<!></a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom<U>">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto<U>">TryInto<U></a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate async_<wbr>lock</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="index.html">async_lock</a></span><h1>Struct <span class="struct">RwLock</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../src/async_lock/rwlock.rs.html#45-52">Source</a> </span></div><pre class="rust item-decl"><code>pub struct RwLock<T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An async reader-writer lock.</p>
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<p>This type of lock allows multiple readers or one writer at any point in time.</p>
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<p>The locking strategy is write-preferring, which means writers are never starved.
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Releasing a write lock wakes the next blocked reader and the next blocked writer.</p>
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<h2 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = RwLock::new(<span class="number">5</span>);
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<span class="comment">// Multiple read locks can be held at a time.
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</span><span class="kw">let </span>r1 = lock.read().<span class="kw">await</span>;
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<span class="kw">let </span>r2 = lock.read().<span class="kw">await</span>;
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>r1, <span class="number">5</span>);
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>r2, <span class="number">5</span>);
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drop((r1, r2));
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<span class="comment">// Only one write lock can be held at a time.
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</span><span class="kw">let </span><span class="kw-2">mut </span>w = lock.write().<span class="kw">await</span>;
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<span class="kw-2">*</span>w += <span class="number">1</span>;
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>w, <span class="number">6</span>);</code></pre></div>
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</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-RwLock%3CT%3E" class="impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#57-188">Source</a><a href="#impl-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T> <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#58-77">Source</a><h4 class="code-header">pub const fn <a href="#method.new" class="fn">new</a>(t: T) -> <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h4></section></summary><div class="docblock"><p>Creates a new reader-writer lock.</p>
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<h5 id="examples-1"><a class="doc-anchor" href="#examples-1">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = RwLock::new(<span class="number">0</span>);</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.into_inner" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#91-93">Source</a><h4 class="code-header">pub fn <a href="#method.into_inner" class="fn">into_inner</a>(self) -> T</h4></section></summary><div class="docblock"><p>Unwraps the lock and returns the inner value.</p>
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<h5 id="examples-2"><a class="doc-anchor" href="#examples-2">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = RwLock::new(<span class="number">5</span>);
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<span class="macro">assert_eq!</span>(lock.into_inner(), <span class="number">5</span>);</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.try_read_arc" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#116-125">Source</a><h4 class="code-header">pub fn <a href="#method.try_read_arc" class="fn">try_read_arc</a>(self: &<a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="struct.RwLockReadGuardArc.html" title="struct async_lock::RwLockReadGuardArc">RwLockReadGuardArc</a><T>></h4></section></summary><div class="docblock"><p>Attempts to acquire an an owned, reference-counted read lock.</p>
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<p>If a read lock could not be acquired at this time, then <a href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html#variant.None" title="variant core::option::Option::None"><code>None</code></a> is returned. Otherwise, a
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guard is returned that releases the lock when dropped.</p>
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<h5 id="examples-3"><a class="doc-anchor" href="#examples-3">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
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<span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
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<span class="kw">let </span>reader = lock.read_arc().<span class="kw">await</span>;
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
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<span class="macro">assert!</span>(lock.try_read_arc().is_some());</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.read_arc" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#150-152">Source</a><h4 class="code-header">pub fn <a href="#method.read_arc" class="fn">read_arc</a><'a>(self: &'a <a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>) -> <a class="struct" href="futures/struct.ReadArc.html" title="struct async_lock::futures::ReadArc">ReadArc</a><'a, T> <a href="#" class="tooltip" data-notable-ty="ReadArc<'a, T>">ⓘ</a></h4></section></summary><div class="docblock"><p>Acquires an owned, reference-counted read lock.</p>
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<p>Returns a guard that releases the lock when dropped.</p>
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<p>Note that attempts to acquire a read lock will block if there are also concurrent attempts
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to acquire a write lock.</p>
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<h5 id="examples-4"><a class="doc-anchor" href="#examples-4">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
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<span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
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<span class="kw">let </span>reader = lock.read_arc().<span class="kw">await</span>;
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
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<span class="macro">assert!</span>(lock.try_read_arc().is_some());</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.read_arc_blocking" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#185-187">Source</a><h4 class="code-header">pub fn <a href="#method.read_arc_blocking" class="fn">read_arc_blocking</a>(self: &<a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>) -> <a class="struct" href="struct.RwLockReadGuardArc.html" title="struct async_lock::RwLockReadGuardArc">RwLockReadGuardArc</a><T></h4></section></summary><div class="docblock"><p>Acquires an owned, reference-counted read lock.</p>
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<p>Returns a guard that releases the lock when dropped.</p>
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<p>Note that attempts to acquire a read lock will block if there are also concurrent attempts
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to acquire a write lock.</p>
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<h5 id="blocking"><a class="doc-anchor" href="#blocking">§</a>Blocking</h5>
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<p>Rather than using asynchronous waiting, like the <a href="struct.RwLock.html#method.read_arc" title="method async_lock::RwLock::read_arc"><code>read_arc</code></a> method,
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this method will block the current thread until the read lock is acquired.</p>
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<p>This method should not be used in an asynchronous context. It is intended to be
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used in a way that a lock can be used in both asynchronous and synchronous contexts.
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Calling this method in an asynchronous context may result in a deadlock.</p>
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<h5 id="examples-5"><a class="doc-anchor" href="#examples-5">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
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<span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
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<span class="kw">let </span>reader = lock.read_arc_blocking();
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
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<span class="macro">assert!</span>(lock.try_read().is_some());</code></pre></div>
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</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-RwLock%3CT%3E-1" class="impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#190-679">Source</a><a href="#impl-RwLock%3CT%3E-1" class="anchor">§</a><h3 class="code-header">impl<T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.try_read" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#211-220">Source</a><h4 class="code-header">pub fn <a href="#method.try_read" class="fn">try_read</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="struct.RwLockReadGuard.html" title="struct async_lock::RwLockReadGuard">RwLockReadGuard</a><'_, T>></h4></section></summary><div class="docblock"><p>Attempts to acquire a read lock.</p>
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<p>If a read lock could not be acquired at this time, then <a href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html#variant.None" title="variant core::option::Option::None"><code>None</code></a> is returned. Otherwise, a
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guard is returned that releases the lock when dropped.</p>
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<h5 id="examples-6"><a class="doc-anchor" href="#examples-6">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
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<span class="kw">let </span>reader = lock.read().<span class="kw">await</span>;
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
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<span class="macro">assert!</span>(lock.try_read().is_some());</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.read" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#244-246">Source</a><h4 class="code-header">pub fn <a href="#method.read" class="fn">read</a>(&self) -> <a class="struct" href="futures/struct.Read.html" title="struct async_lock::futures::Read">Read</a><'_, T> <a href="#" class="tooltip" data-notable-ty="Read<'_, T>">ⓘ</a></h4></section></summary><div class="docblock"><p>Acquires a read lock.</p>
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<p>Returns a guard that releases the lock when dropped.</p>
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<p>Note that attempts to acquire a read lock will block if there are also concurrent attempts
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to acquire a write lock.</p>
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<h5 id="examples-7"><a class="doc-anchor" href="#examples-7">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
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<span class="kw">let </span>reader = lock.read().<span class="kw">await</span>;
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
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<span class="macro">assert!</span>(lock.try_read().is_some());</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.read_blocking" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#278-280">Source</a><h4 class="code-header">pub fn <a href="#method.read_blocking" class="fn">read_blocking</a>(&self) -> <a class="struct" href="struct.RwLockReadGuard.html" title="struct async_lock::RwLockReadGuard">RwLockReadGuard</a><'_, T></h4></section></summary><div class="docblock"><p>Acquires a read lock.</p>
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<p>Returns a guard that releases the lock when dropped.</p>
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<p>Note that attempts to acquire a read lock will block if there are also concurrent attempts
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to acquire a write lock.</p>
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<h5 id="blocking-1"><a class="doc-anchor" href="#blocking-1">§</a>Blocking</h5>
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<p>Rather than using asynchronous waiting, like the <a href="struct.RwLock.html#method.read" title="method async_lock::RwLock::read"><code>read</code></a> method,
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this method will block the current thread until the read lock is acquired.</p>
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<p>This method should not be used in an asynchronous context. It is intended to be
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used in a way that a lock can be used in both asynchronous and synchronous contexts.
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Calling this method in an asynchronous context may result in a deadlock.</p>
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<h5 id="examples-8"><a class="doc-anchor" href="#examples-8">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
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<span class="kw">let </span>reader = lock.read_blocking();
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
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<span class="macro">assert!</span>(lock.try_read().is_some());</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.try_upgradable_read" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#307-316">Source</a><h4 class="code-header">pub fn <a href="#method.try_upgradable_read" class="fn">try_upgradable_read</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="struct.RwLockUpgradableReadGuard.html" title="struct async_lock::RwLockUpgradableReadGuard">RwLockUpgradableReadGuard</a><'_, T>></h4></section></summary><div class="docblock"><p>Attempts to acquire a read lock with the possiblity to upgrade to a write lock.</p>
|
|
<p>If a read lock could not be acquired at this time, then <a href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html#variant.None" title="variant core::option::Option::None"><code>None</code></a> is returned. Otherwise, a
|
|
guard is returned that releases the lock when dropped.</p>
|
|
<p>Upgradable read lock reserves the right to be upgraded to a write lock, which means there
|
|
can be at most one upgradable read lock at a time.</p>
|
|
<h5 id="examples-9"><a class="doc-anchor" href="#examples-9">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::{RwLock, RwLockUpgradableReadGuard};
|
|
|
|
<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
|
|
|
|
<span class="kw">let </span>reader = lock.upgradable_read().<span class="kw">await</span>;
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>lock.try_read().unwrap(), <span class="number">1</span>);
|
|
|
|
<span class="kw">let </span><span class="kw-2">mut </span>writer = RwLockUpgradableReadGuard::upgrade(reader).<span class="kw">await</span>;
|
|
<span class="kw-2">*</span>writer = <span class="number">2</span>;</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.upgradable_read" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#345-347">Source</a><h4 class="code-header">pub fn <a href="#method.upgradable_read" class="fn">upgradable_read</a>(&self) -> <a class="struct" href="futures/struct.UpgradableRead.html" title="struct async_lock::futures::UpgradableRead">UpgradableRead</a><'_, T> <a href="#" class="tooltip" data-notable-ty="UpgradableRead<'_, T>">ⓘ</a></h4></section></summary><div class="docblock"><p>Acquires a read lock with the possiblity to upgrade to a write lock.</p>
|
|
<p>Returns a guard that releases the lock when dropped.</p>
|
|
<p>Upgradable read lock reserves the right to be upgraded to a write lock, which means there
|
|
can be at most one upgradable read lock at a time.</p>
|
|
<p>Note that attempts to acquire an upgradable read lock will block if there are concurrent
|
|
attempts to acquire another upgradable read lock or a write lock.</p>
|
|
<h5 id="examples-10"><a class="doc-anchor" href="#examples-10">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::{RwLock, RwLockUpgradableReadGuard};
|
|
|
|
<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
|
|
|
|
<span class="kw">let </span>reader = lock.upgradable_read().<span class="kw">await</span>;
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>lock.try_read().unwrap(), <span class="number">1</span>);
|
|
|
|
<span class="kw">let </span><span class="kw-2">mut </span>writer = RwLockUpgradableReadGuard::upgrade(reader).<span class="kw">await</span>;
|
|
<span class="kw-2">*</span>writer = <span class="number">2</span>;</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.upgradable_read_blocking" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#384-386">Source</a><h4 class="code-header">pub fn <a href="#method.upgradable_read_blocking" class="fn">upgradable_read_blocking</a>(&self) -> <a class="struct" href="struct.RwLockUpgradableReadGuard.html" title="struct async_lock::RwLockUpgradableReadGuard">RwLockUpgradableReadGuard</a><'_, T></h4></section></summary><div class="docblock"><p>Attempts to acquire a read lock with the possiblity to upgrade to a write lock.</p>
|
|
<p>Returns a guard that releases the lock when dropped.</p>
|
|
<p>Upgradable read lock reserves the right to be upgraded to a write lock, which means there
|
|
can be at most one upgradable read lock at a time.</p>
|
|
<p>Note that attempts to acquire an upgradable read lock will block if there are concurrent
|
|
attempts to acquire another upgradable read lock or a write lock.</p>
|
|
<h5 id="blocking-2"><a class="doc-anchor" href="#blocking-2">§</a>Blocking</h5>
|
|
<p>Rather than using asynchronous waiting, like the <a href="struct.RwLock.html#method.upgradable_read" title="method async_lock::RwLock::upgradable_read"><code>upgradable_read</code></a>
|
|
method, this method will block the current thread until the read lock is acquired.</p>
|
|
<p>This method should not be used in an asynchronous context. It is intended to be
|
|
used in a way that a lock can be used in both asynchronous and synchronous contexts.
|
|
Calling this method in an asynchronous context may result in a deadlock.</p>
|
|
<h5 id="examples-11"><a class="doc-anchor" href="#examples-11">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::{RwLock, RwLockUpgradableReadGuard};
|
|
|
|
<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
|
|
|
|
<span class="kw">let </span>reader = lock.upgradable_read_blocking();
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>lock.try_read().unwrap(), <span class="number">1</span>);
|
|
|
|
<span class="kw">let </span><span class="kw-2">mut </span>writer = RwLockUpgradableReadGuard::upgrade_blocking(reader);
|
|
<span class="kw-2">*</span>writer = <span class="number">2</span>;</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.upgradable_read_arc_blocking" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#425-427">Source</a><h4 class="code-header">pub fn <a href="#method.upgradable_read_arc_blocking" class="fn">upgradable_read_arc_blocking</a>(
|
|
self: &<a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>,
|
|
) -> <a class="struct" href="struct.RwLockUpgradableReadGuardArc.html" title="struct async_lock::RwLockUpgradableReadGuardArc">RwLockUpgradableReadGuardArc</a><T></h4></section></summary><div class="docblock"><p>Attempts to acquire an owned, reference-counted read lock
|
|
with the possiblity to upgrade to a write lock.</p>
|
|
<p>Returns a guard that releases the lock when dropped.</p>
|
|
<p>Upgradable read lock reserves the right to be upgraded to a write lock, which means there
|
|
can be at most one upgradable read lock at a time.</p>
|
|
<p>Note that attempts to acquire an upgradable read lock will block if there are concurrent
|
|
attempts to acquire another upgradable read lock or a write lock.</p>
|
|
<h5 id="blocking-3"><a class="doc-anchor" href="#blocking-3">§</a>Blocking</h5>
|
|
<p>Rather than using asynchronous waiting, like the <a href="struct.RwLock.html#method.upgradable_read_arc" title="method async_lock::RwLock::upgradable_read_arc"><code>upgradable_read_arc</code></a>
|
|
method, this method will block the current thread until the read lock is acquired.</p>
|
|
<p>This method should not be used in an asynchronous context. It is intended to be
|
|
used in a way that a lock can be used in both asynchronous and synchronous contexts.
|
|
Calling this method in an asynchronous context may result in a deadlock.</p>
|
|
<h5 id="examples-12"><a class="doc-anchor" href="#examples-12">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
|
|
<span class="kw">use </span>async_lock::{RwLock, RwLockUpgradableReadGuardArc};
|
|
|
|
<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
|
|
|
|
<span class="kw">let </span>reader = lock.upgradable_read_arc_blocking();
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>lock.try_read().unwrap(), <span class="number">1</span>);
|
|
|
|
<span class="kw">let </span><span class="kw-2">mut </span>writer = RwLockUpgradableReadGuardArc::upgrade_blocking(reader);
|
|
<span class="kw-2">*</span>writer = <span class="number">2</span>;</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.try_upgradable_read_arc" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#456-462">Source</a><h4 class="code-header">pub fn <a href="#method.try_upgradable_read_arc" class="fn">try_upgradable_read_arc</a>(
|
|
self: &<a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>,
|
|
) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="struct.RwLockUpgradableReadGuardArc.html" title="struct async_lock::RwLockUpgradableReadGuardArc">RwLockUpgradableReadGuardArc</a><T>></h4></section></summary><div class="docblock"><p>Attempts to acquire an owned, reference-counted read lock with the possiblity to
|
|
upgrade to a write lock.</p>
|
|
<p>If a read lock could not be acquired at this time, then <a href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html#variant.None" title="variant core::option::Option::None"><code>None</code></a> is returned. Otherwise, a
|
|
guard is returned that releases the lock when dropped.</p>
|
|
<p>Upgradable read lock reserves the right to be upgraded to a write lock, which means there
|
|
can be at most one upgradable read lock at a time.</p>
|
|
<h5 id="examples-13"><a class="doc-anchor" href="#examples-13">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
|
|
<span class="kw">use </span>async_lock::{RwLock, RwLockUpgradableReadGuardArc};
|
|
|
|
<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
|
|
|
|
<span class="kw">let </span>reader = lock.upgradable_read_arc().<span class="kw">await</span>;
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>lock.try_read_arc().unwrap(), <span class="number">1</span>);
|
|
|
|
<span class="kw">let </span><span class="kw-2">mut </span>writer = RwLockUpgradableReadGuardArc::upgrade(reader).<span class="kw">await</span>;
|
|
<span class="kw-2">*</span>writer = <span class="number">2</span>;</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.upgradable_read_arc" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#493-495">Source</a><h4 class="code-header">pub fn <a href="#method.upgradable_read_arc" class="fn">upgradable_read_arc</a><'a>(self: &'a <a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>) -> <a class="struct" href="futures/struct.UpgradableReadArc.html" title="struct async_lock::futures::UpgradableReadArc">UpgradableReadArc</a><'a, T> <a href="#" class="tooltip" data-notable-ty="UpgradableReadArc<'a, T>">ⓘ</a></h4></section></summary><div class="docblock"><p>Acquires an owned, reference-counted read lock with the possiblity
|
|
to upgrade to a write lock.</p>
|
|
<p>Returns a guard that releases the lock when dropped.</p>
|
|
<p>Upgradable read lock reserves the right to be upgraded to a write lock, which means there
|
|
can be at most one upgradable read lock at a time.</p>
|
|
<p>Note that attempts to acquire an upgradable read lock will block if there are concurrent
|
|
attempts to acquire another upgradable read lock or a write lock.</p>
|
|
<h5 id="examples-14"><a class="doc-anchor" href="#examples-14">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
|
|
<span class="kw">use </span>async_lock::{RwLock, RwLockUpgradableReadGuardArc};
|
|
|
|
<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
|
|
|
|
<span class="kw">let </span>reader = lock.upgradable_read_arc().<span class="kw">await</span>;
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>reader, <span class="number">1</span>);
|
|
<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>lock.try_read_arc().unwrap(), <span class="number">1</span>);
|
|
|
|
<span class="kw">let </span><span class="kw-2">mut </span>writer = RwLockUpgradableReadGuardArc::upgrade(reader).<span class="kw">await</span>;
|
|
<span class="kw-2">*</span>writer = <span class="number">2</span>;</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.try_write" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#516-525">Source</a><h4 class="code-header">pub fn <a href="#method.try_write" class="fn">try_write</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="struct.RwLockWriteGuard.html" title="struct async_lock::RwLockWriteGuard">RwLockWriteGuard</a><'_, T>></h4></section></summary><div class="docblock"><p>Attempts to acquire a write lock.</p>
|
|
<p>If a write lock could not be acquired at this time, then <a href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html#variant.None" title="variant core::option::Option::None"><code>None</code></a> is returned. Otherwise, a
|
|
guard is returned that releases the lock when dropped.</p>
|
|
<h5 id="examples-15"><a class="doc-anchor" href="#examples-15">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
|
|
|
|
<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
|
|
|
|
<span class="macro">assert!</span>(lock.try_write().is_some());
|
|
<span class="kw">let </span>reader = lock.read().<span class="kw">await</span>;
|
|
<span class="macro">assert!</span>(lock.try_write().is_none());</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.write" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#544-546">Source</a><h4 class="code-header">pub fn <a href="#method.write" class="fn">write</a>(&self) -> <a class="struct" href="futures/struct.Write.html" title="struct async_lock::futures::Write">Write</a><'_, T> <a href="#" class="tooltip" data-notable-ty="Write<'_, T>">ⓘ</a></h4></section></summary><div class="docblock"><p>Acquires a write lock.</p>
|
|
<p>Returns a guard that releases the lock when dropped.</p>
|
|
<h5 id="examples-16"><a class="doc-anchor" href="#examples-16">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
|
|
|
|
<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
|
|
|
|
<span class="kw">let </span>writer = lock.write().<span class="kw">await</span>;
|
|
<span class="macro">assert!</span>(lock.try_read().is_none());</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.write_blocking" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#573-575">Source</a><h4 class="code-header">pub fn <a href="#method.write_blocking" class="fn">write_blocking</a>(&self) -> <a class="struct" href="struct.RwLockWriteGuard.html" title="struct async_lock::RwLockWriteGuard">RwLockWriteGuard</a><'_, T></h4></section></summary><div class="docblock"><p>Acquires a write lock.</p>
|
|
<p>Returns a guard that releases the lock when dropped.</p>
|
|
<h5 id="blocking-4"><a class="doc-anchor" href="#blocking-4">§</a>Blocking</h5>
|
|
<p>Rather than using asynchronous waiting, like the <a href="https://doc.rust-lang.org/1.84.0/core/macro.write.html" title="macro core::write"><code>write</code></a> method, this method will
|
|
block the current thread until the write lock is acquired.</p>
|
|
<p>This method should not be used in an asynchronous context. It is intended to be
|
|
used in a way that a lock can be used in both asynchronous and synchronous contexts.
|
|
Calling this method in an asynchronous context may result in a deadlock.</p>
|
|
<h5 id="examples-17"><a class="doc-anchor" href="#examples-17">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
|
|
|
|
<span class="kw">let </span>lock = RwLock::new(<span class="number">1</span>);
|
|
|
|
<span class="kw">let </span>writer = lock.write_blocking();
|
|
<span class="macro">assert!</span>(lock.try_read().is_none());</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.try_write_arc" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#597-603">Source</a><h4 class="code-header">pub fn <a href="#method.try_write_arc" class="fn">try_write_arc</a>(self: &<a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="struct.RwLockWriteGuardArc.html" title="struct async_lock::RwLockWriteGuardArc">RwLockWriteGuardArc</a><T>></h4></section></summary><div class="docblock"><p>Attempts to acquire an owned, reference-counted write lock.</p>
|
|
<p>If a write lock could not be acquired at this time, then <a href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html#variant.None" title="variant core::option::Option::None"><code>None</code></a> is returned. Otherwise, a
|
|
guard is returned that releases the lock when dropped.</p>
|
|
<h5 id="examples-18"><a class="doc-anchor" href="#examples-18">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
|
|
<span class="kw">use </span>async_lock::RwLock;
|
|
|
|
<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
|
|
|
|
<span class="macro">assert!</span>(lock.try_write_arc().is_some());
|
|
<span class="kw">let </span>reader = lock.read_arc().<span class="kw">await</span>;
|
|
<span class="macro">assert!</span>(lock.try_write_arc().is_none());</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.write_arc" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#623-625">Source</a><h4 class="code-header">pub fn <a href="#method.write_arc" class="fn">write_arc</a><'a>(self: &'a <a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>) -> <a class="struct" href="futures/struct.WriteArc.html" title="struct async_lock::futures::WriteArc">WriteArc</a><'a, T> <a href="#" class="tooltip" data-notable-ty="WriteArc<'a, T>">ⓘ</a></h4></section></summary><div class="docblock"><p>Acquires an owned, reference-counted write lock.</p>
|
|
<p>Returns a guard that releases the lock when dropped.</p>
|
|
<h5 id="examples-19"><a class="doc-anchor" href="#examples-19">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
|
|
<span class="kw">use </span>async_lock::RwLock;
|
|
|
|
<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
|
|
|
|
<span class="kw">let </span>writer = lock.write_arc().<span class="kw">await</span>;
|
|
<span class="macro">assert!</span>(lock.try_read_arc().is_none());</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="method.write_arc_blocking" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#653-655">Source</a><h4 class="code-header">pub fn <a href="#method.write_arc_blocking" class="fn">write_arc_blocking</a>(self: &<a class="struct" href="https://doc.rust-lang.org/1.84.0/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Self>) -> <a class="struct" href="struct.RwLockWriteGuardArc.html" title="struct async_lock::RwLockWriteGuardArc">RwLockWriteGuardArc</a><T></h4></section></summary><div class="docblock"><p>Acquires an owned, reference-counted write lock.</p>
|
|
<p>Returns a guard that releases the lock when dropped.</p>
|
|
<h5 id="blocking-5"><a class="doc-anchor" href="#blocking-5">§</a>Blocking</h5>
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<p>Rather than using asynchronous waiting, like the <a href="struct.RwLock.html#method.write_arc" title="method async_lock::RwLock::write_arc"><code>write_arc</code></a> method, this method will
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block the current thread until the write lock is acquired.</p>
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<p>This method should not be used in an asynchronous context. It is intended to be
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used in a way that a lock can be used in both asynchronous and synchronous contexts.
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Calling this method in an asynchronous context may result in a deadlock.</p>
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<h5 id="examples-20"><a class="doc-anchor" href="#examples-20">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
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<span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span>lock = Arc::new(RwLock::new(<span class="number">1</span>));
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<span class="kw">let </span>writer = lock.write_arc_blocking();
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<span class="macro">assert!</span>(lock.try_read().is_none());</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.get_mut" class="method"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#676-678">Source</a><h4 class="code-header">pub fn <a href="#method.get_mut" class="fn">get_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.reference.html">&mut T</a></h4></section></summary><div class="docblock"><p>Returns a mutable reference to the inner value.</p>
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<p>Since this call borrows the lock mutably, no actual locking takes place. The mutable borrow
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statically guarantees no locks exist.</p>
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<h5 id="examples-21"><a class="doc-anchor" href="#examples-21">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>async_lock::RwLock;
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<span class="kw">let </span><span class="kw-2">mut </span>lock = RwLock::new(<span class="number">1</span>);
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<span class="kw-2">*</span>lock.get_mut() = <span class="number">2</span>;
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<span class="macro">assert_eq!</span>(<span class="kw-2">*</span>lock.read().<span class="kw">await</span>, <span class="number">2</span>);</code></pre></div>
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</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-RwLock%3CT%3E" class="impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#681-695">Source</a><a href="#impl-Debug-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#682-694">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.84.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.84.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.84.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Default-for-RwLock%3CT%3E" class="impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#704-709">Source</a><a href="#impl-Default-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/default/trait.Default.html" title="trait core::default::Default">Default</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.default" class="method trait-impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#706-708">Source</a><a href="#method.default" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/default/trait.Default.html#tymethod.default" class="fn">default</a>() -> <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h4></section></summary><div class='docblock'>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/1.84.0/core/default/trait.Default.html#tymethod.default">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3CT%3E-for-RwLock%3CT%3E" class="impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#697-702">Source</a><a href="#impl-From%3CT%3E-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#699-701">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(val: T) -> <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><section id="impl-Send-for-RwLock%3CT%3E" class="impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#54">Source</a><a href="#impl-Send-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section><section id="impl-Sync-for-RwLock%3CT%3E" class="impl"><a class="src rightside" href="../src/async_lock/rwlock.rs.html#55">Source</a><a href="#impl-Sync-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-RwLock%3CT%3E" class="impl"><a href="#impl-Freeze-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T> !<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section><section id="impl-RefUnwindSafe-for-RwLock%3CT%3E" class="impl"><a href="#impl-RefUnwindSafe-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T> !<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T></h3></section><section id="impl-Unpin-for-RwLock%3CT%3E" class="impl"><a href="#impl-Unpin-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T><div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section><section id="impl-UnwindSafe-for-RwLock%3CT%3E" class="impl"><a href="#impl-UnwindSafe-for-RwLock%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.RwLock.html" title="struct async_lock::RwLock">RwLock</a><T><div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/any.rs.html#138">Source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
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T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.84.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.84.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/borrow.rs.html#209">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/borrow.rs.html#211">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/borrow.rs.html#217">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/borrow.rs.html#218">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3C!%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#782">Source</a><a href="#impl-From%3C!%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.never.html">!</a>> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from-2" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#783">Source</a><a href="#method.from-2" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: <a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.never.html">!</a>) -> T</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#765">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#768">Source</a><a href="#method.from-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#748-750">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#758">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
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<p>That is, this conversion is whatever the implementation of
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<code><a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#805-807">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#809">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#812">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#790-792">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#794">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#797">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div><script type="text/json" id="notable-traits-data">{"Read<'_, T>":"<h3>Notable traits for <code><a class=\"struct\" href=\"futures/struct.Read.html\" title=\"struct async_lock::futures::Read\">Read</a><'a, T></code></h3><pre><code><div class=\"where\">impl<'a, T: ?<a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html\" title=\"trait core::marker::Sized\">Sized</a>> <a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"futures/struct.Read.html\" title=\"struct async_lock::futures::Read\">Read</a><'a, T></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = <a class=\"struct\" href=\"struct.RwLockReadGuard.html\" title=\"struct async_lock::RwLockReadGuard\">RwLockReadGuard</a><'a, T>;</div>","ReadArc<'a, T>":"<h3>Notable traits for <code><a class=\"struct\" href=\"futures/struct.ReadArc.html\" title=\"struct async_lock::futures::ReadArc\">ReadArc</a><'a, T></code></h3><pre><code><div class=\"where\">impl<'a, T> <a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"futures/struct.ReadArc.html\" title=\"struct async_lock::futures::ReadArc\">ReadArc</a><'a, T></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = <a class=\"struct\" href=\"struct.RwLockReadGuardArc.html\" title=\"struct async_lock::RwLockReadGuardArc\">RwLockReadGuardArc</a><T>;</div>","UpgradableRead<'_, T>":"<h3>Notable traits for <code><a class=\"struct\" href=\"futures/struct.UpgradableRead.html\" title=\"struct async_lock::futures::UpgradableRead\">UpgradableRead</a><'a, T></code></h3><pre><code><div class=\"where\">impl<'a, T: ?<a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html\" title=\"trait core::marker::Sized\">Sized</a>> <a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"futures/struct.UpgradableRead.html\" title=\"struct async_lock::futures::UpgradableRead\">UpgradableRead</a><'a, T></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = <a class=\"struct\" href=\"struct.RwLockUpgradableReadGuard.html\" title=\"struct async_lock::RwLockUpgradableReadGuard\">RwLockUpgradableReadGuard</a><'a, T>;</div>","UpgradableReadArc<'a, T>":"<h3>Notable traits for <code><a class=\"struct\" href=\"futures/struct.UpgradableReadArc.html\" title=\"struct async_lock::futures::UpgradableReadArc\">UpgradableReadArc</a><'a, T></code></h3><pre><code><div class=\"where\">impl<'a, T: ?<a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html\" title=\"trait core::marker::Sized\">Sized</a>> <a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"futures/struct.UpgradableReadArc.html\" title=\"struct async_lock::futures::UpgradableReadArc\">UpgradableReadArc</a><'a, T></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = <a class=\"struct\" href=\"struct.RwLockUpgradableReadGuardArc.html\" title=\"struct async_lock::RwLockUpgradableReadGuardArc\">RwLockUpgradableReadGuardArc</a><T>;</div>","Write<'_, T>":"<h3>Notable traits for <code><a class=\"struct\" href=\"futures/struct.Write.html\" title=\"struct async_lock::futures::Write\">Write</a><'a, T></code></h3><pre><code><div class=\"where\">impl<'a, T: ?<a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html\" title=\"trait core::marker::Sized\">Sized</a>> <a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"futures/struct.Write.html\" title=\"struct async_lock::futures::Write\">Write</a><'a, T></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = <a class=\"struct\" href=\"struct.RwLockWriteGuard.html\" title=\"struct async_lock::RwLockWriteGuard\">RwLockWriteGuard</a><'a, T>;</div>","WriteArc<'a, T>":"<h3>Notable traits for <code><a class=\"struct\" href=\"futures/struct.WriteArc.html\" title=\"struct async_lock::futures::WriteArc\">WriteArc</a><'a, T></code></h3><pre><code><div class=\"where\">impl<'a, T: ?<a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html\" title=\"trait core::marker::Sized\">Sized</a>> <a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"futures/struct.WriteArc.html\" title=\"struct async_lock::futures::WriteArc\">WriteArc</a><'a, T></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.84.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = <a class=\"struct\" href=\"struct.RwLockWriteGuardArc.html\" title=\"struct async_lock::RwLockWriteGuardArc\">RwLockWriteGuardArc</a><T>;</div>"}</script></section></div></main></body></html> |