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<!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 `Waker` that is only valid for a given lifetime."><title>WakerRef in futures_task - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.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"href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="futures_task" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-044be391.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]--><rustdoc-topbar><h2><a href="#">WakerRef</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../futures_task/index.html">futures_<wbr>task</a><span class="version">0.3.32</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Waker<wbr>Ref</a></h2><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.new" title="new">new</a></li><li><a href="#method.new_unowned" title="new_unowned">new_unowned</a></li></ul><h3><a href="#deref-methods-Waker">Methods from Deref<<wbr>Target=<wbr>Waker></a></h3><ul class="block deref-methods"><li><a href="#method.data" title="data">data</a></li><li><a href="#method.vtable" title="vtable">vtable</a></li><li><a href="#method.wake_by_ref" title="wake_by_ref">wake_by_ref</a></li><li><a href="#method.will_wake" title="will_wake">will_wake</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-WakerRef%3C'a%3E" title="Debug">Debug</a></li><li><a href="#impl-Deref-for-WakerRef%3C'_%3E" title="Deref">Deref</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-WakerRef%3C'a%3E" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-WakerRef%3C'a%3E" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send-for-WakerRef%3C'a%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-WakerRef%3C'a%3E" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-WakerRef%3C'a%3E" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-WakerRef%3C'a%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%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-Receiver-for-P" title="Receiver">Receiver</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 futures_<wbr>task</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="index.html">futures_task</a></div><h1>Struct <span class="struct">Waker<wbr>Ref</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/futures_task/waker_ref.rs.html#14-17">Source</a> </span></div><pre class="rust item-decl"><code>pub struct WakerRef<'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>A <a href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker"><code>Waker</code></a> that is only valid for a given lifetime.</p>
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<p>Note: this type implements <a href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref"><code>Deref<Target = Waker></code></a>,
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so it can be used to get a <code>&Waker</code>.</p>
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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-WakerRef%3C'a%3E" class="impl"><a class="src rightside" href="../src/futures_task/waker_ref.rs.html#19-39">Source</a><a href="#impl-WakerRef%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'a></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/futures_task/waker_ref.rs.html#22-27">Source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>(waker: &'a <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker">Waker</a>) -> Self</h4></section></summary><div class="docblock"><p>Create a new <a href="struct.WakerRef.html" title="struct futures_task::WakerRef"><code>WakerRef</code></a> from a <a href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker"><code>Waker</code></a> reference.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.new_unowned" class="method"><a class="src rightside" href="../src/futures_task/waker_ref.rs.html#36-38">Source</a><h4 class="code-header">pub fn <a href="#method.new_unowned" class="fn">new_unowned</a>(waker: <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/mem/manually_drop/struct.ManuallyDrop.html" title="struct core::mem::manually_drop::ManuallyDrop">ManuallyDrop</a><<a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker">Waker</a>>) -> Self</h4></section></summary><div class="docblock"><p>Create a new <a href="struct.WakerRef.html" title="struct futures_task::WakerRef"><code>WakerRef</code></a> from a <a href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker"><code>Waker</code></a> that must not be dropped.</p>
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<p>Note: this if for rare cases where the caller created a <a href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker"><code>Waker</code></a> in
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an unsafe way (that will be valid only for a lifetime to be determined
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by the caller), and the <a href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker"><code>Waker</code></a> doesn’t need to or must not be
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destroyed.</p>
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</div></details></div></details></div><details class="toggle big-toggle" open><summary><h2 id="deref-methods-Waker" class="section-header"><span>Methods from <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a><Target = <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker">Waker</a>></span><a href="#deref-methods-Waker" class="anchor">§</a></h2></summary><div id="deref-methods-Waker-1" class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.wake_by_ref" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.36.0">1.36.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/task/wake.rs.html#458">Source</a></span><h4 class="code-header">pub fn <a href="#method.wake_by_ref" class="fn">wake_by_ref</a>(&self)</h4></section></summary><div class="docblock"><p>Wakes up the task associated with this <code>Waker</code> without consuming the <code>Waker</code>.</p>
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<p>This is similar to <a href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html#method.wake" title="method core::task::wake::Waker::wake"><code>wake()</code></a>, but may be slightly less efficient in
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the case where an owned <code>Waker</code> is available. This method should be preferred to
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calling <code>waker.clone().wake()</code>.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.will_wake" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.36.0">1.36.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/task/wake.rs.html#478">Source</a></span><h4 class="code-header">pub fn <a href="#method.will_wake" class="fn">will_wake</a>(&self, other: &<a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker">Waker</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns <code>true</code> if this <code>Waker</code> and another <code>Waker</code> would awake the same task.</p>
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<p>This function works on a best-effort basis, and may return false even
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when the <code>Waker</code>s would awaken the same task. However, if this function
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returns <code>true</code>, it is guaranteed that the <code>Waker</code>s will awaken the same task.</p>
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<p>This function is primarily used for optimization purposes — for example,
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this type’s <a href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html#method.clone_from" title="method core::task::wake::Waker::clone_from"><code>clone_from</code></a> implementation uses it to
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avoid cloning the waker when they would wake the same task anyway.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.data" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.83.0">1.83.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/task/wake.rs.html#576">Source</a></span><h4 class="code-header">pub fn <a href="#method.data" class="fn">data</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.pointer.html">*const </a><a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a></h4></section></summary><div class="docblock"><p>Gets the <code>data</code> pointer used to create this <code>Waker</code>.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.vtable" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.83.0">1.83.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/task/wake.rs.html#584">Source</a></span><h4 class="code-header">pub fn <a href="#method.vtable" class="fn">vtable</a>(&self) -> &'static <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.RawWakerVTable.html" title="struct core::task::wake::RawWakerVTable">RawWakerVTable</a></h4></section></summary><div class="docblock"><p>Gets the <code>vtable</code> pointer used to create this <code>Waker</code>.</p>
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</div></details></div></details><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-WakerRef%3C'a%3E" class="impl"><a class="src rightside" href="../src/futures_task/waker_ref.rs.html#13">Source</a><a href="#impl-Debug-for-WakerRef%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'a></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/futures_task/waker_ref.rs.html#13">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Deref-for-WakerRef%3C'_%3E" class="impl"><a class="src rightside" href="../src/futures_task/waker_ref.rs.html#41-48">Source</a><a href="#impl-Deref-for-WakerRef%3C'_%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a> for <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'_></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Target" class="associatedtype trait-impl"><a class="src rightside" href="../src/futures_task/waker_ref.rs.html#42">Source</a><a href="#associatedtype.Target" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Deref.html#associatedtype.Target" class="associatedtype">Target</a> = <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker">Waker</a></h4></section></summary><div class='docblock'>The resulting type after dereferencing.</div></details><details class="toggle method-toggle" open><summary><section id="method.deref" class="method trait-impl"><a class="src rightside" href="../src/futures_task/waker_ref.rs.html#45-47">Source</a><a href="#method.deref" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Deref.html#tymethod.deref" class="fn">deref</a>(&self) -> &<a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Waker.html" title="struct core::task::wake::Waker">Waker</a></h4></section></summary><div class='docblock'>Dereferences the value.</div></details></div></details></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-WakerRef%3C'a%3E" class="impl"><a href="#impl-Freeze-for-WakerRef%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'a></h3></section><section id="impl-RefUnwindSafe-for-WakerRef%3C'a%3E" class="impl"><a href="#impl-RefUnwindSafe-for-WakerRef%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'a></h3></section><section id="impl-Send-for-WakerRef%3C'a%3E" class="impl"><a href="#impl-Send-for-WakerRef%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'a></h3></section><section id="impl-Sync-for-WakerRef%3C'a%3E" class="impl"><a href="#impl-Sync-for-WakerRef%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'a></h3></section><section id="impl-Unpin-for-WakerRef%3C'a%3E" class="impl"><a href="#impl-Unpin-for-WakerRef%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'a></h3></section><section id="impl-UnwindSafe-for-WakerRef%3C'a%3E" class="impl"><a href="#impl-UnwindSafe-for-WakerRef%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.WakerRef.html" title="struct futures_task::WakerRef">WakerRef</a><'a></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/1.93.1/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/1.93.1/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/1.93.1/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/1.93.1/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/1.93.1/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#212">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/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#214">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#221">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/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#222">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#785">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/1.93.1/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" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#788">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#767-769">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/1.93.1/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/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#777">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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-Receiver-for-P" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/ops/deref.rs.html#378-380">Source</a><a href="#impl-Receiver-for-P" class="anchor">§</a><h3 class="code-header">impl<P, T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Receiver.html" title="trait core::ops::deref::Receiver">Receiver</a> for P<div class="where">where
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P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a><Target = T> + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Target-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/ops/deref.rs.html#382">Source</a><a href="#associatedtype.Target-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Receiver.html#associatedtype.Target" class="associatedtype">Target</a> = T</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>arbitrary_self_types</code>)</span></div></span><div class='docblock'>The target type on which the method may be called.</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/1.93.1/src/core/convert/mod.rs.html#827-829">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/1.93.1/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/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#831">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#834">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#811-813">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/1.93.1/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/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#815">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#818">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/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></section></div></main></body></html> |