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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="Indicates what the `Subscriber` considers the “current” span."><title>Current in tracing_core::span - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-5bc39a1768837dd0.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tracing_core" data-themes="" data-resource-suffix="" data-rustdoc-version="1.77.2 (25ef9e3d8 2024-04-09)" data-channel="1.77.2" data-search-js="search-dd67cee4cfa65049.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-4c98445ec4002617.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-48f368f3872407c8.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-04d5337699b92874.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button><a class="logo-container" href="../../tracing_core/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing_core/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing_core/index.html">tracing_core</a><span class="version">0.1.32</span></h2></div><h2 class="location"><a href="#">Current</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.id">id</a></li><li><a href="#method.into_inner">into_inner</a></li><li><a href="#method.is_known">is_known</a></li><li><a href="#method.metadata">metadata</a></li><li><a href="#method.new">new</a></li><li><a href="#method.none">none</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-Current">Debug</a></li><li><a href="#impl-From%3C%26Current%3E-for-Option%3C%26Id%3E">From<&'a Current></a></li><li><a href="#impl-From%3C%26Current%3E-for-Option%3C%26Metadata%3C'static%3E%3E">From<&'a Current></a></li><li><a href="#impl-From%3C%26Current%3E-for-Option%3CId%3E">From<&'a Current></a></li><li><a href="#impl-From%3CCurrent%3E-for-Option%3CId%3E">From<Current></a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-Current">!RefUnwindSafe</a></li><li><a href="#impl-UnwindSafe-for-Current">!UnwindSafe</a></li><li><a href="#impl-Send-for-Current">Send</a></li><li><a href="#impl-Sync-for-Current">Sync</a></li><li><a href="#impl-Unpin-for-Current">Unpin</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-T">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T">Into<U></a></li><li><a href="#impl-TryFrom%3CU%3E-for-T">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T">TryInto<U></a></li></ul></section><h2><a href="index.html">In tracing_core::span</a></h2></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../tracing_core/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Struct <a href="../index.html">tracing_core</a>::<wbr><a href="index.html">span</a>::<wbr><a class="struct" href="#">Current</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/tracing_core/span.rs.html#44-46">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub struct Current { <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>Indicates what <a href="../trait.Subscriber.html#method.current_span" title="method tracing_core::Subscriber::current_span">the <code>Subscriber</code> considers</a> the “current” span.</p>
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<p>As subscribers may not track a notion of a current span, this has three
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possible states:</p>
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<ul>
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<li>“unknown”, indicating that the subscriber does not track a current span,</li>
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<li>“none”, indicating that the current context is known to not be in a span,</li>
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<li>“some”, with the current span’s <a href="struct.Id.html" title="struct tracing_core::span::Id"><code>Id</code></a> and <a href="../struct.Metadata.html" title="struct tracing_core::Metadata"><code>Metadata</code></a>.</li>
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</ul>
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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-Current" class="impl"><a class="src rightside" href="../../src/tracing_core/span.rs.html#249-314">source</a><a href="#impl-Current" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</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/tracing_core/span.rs.html#252-256">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>(id: <a class="struct" href="struct.Id.html" title="struct tracing_core::span::Id">Id</a>, metadata: &'static <a class="struct" href="../struct.Metadata.html" title="struct tracing_core::Metadata">Metadata</a><'static>) -> Self</h4></section></summary><div class="docblock"><p>Constructs a new <code>Current</code> that indicates the current context is a span
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with the given <code>metadata</code> and <code>metadata</code>.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.none" class="method"><a class="src rightside" href="../../src/tracing_core/span.rs.html#260-264">source</a><h4 class="code-header">pub fn <a href="#method.none" class="fn">none</a>() -> Self</h4></section></summary><div class="docblock"><p>Constructs a new <code>Current</code> that indicates the current context is <em>not</em>
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in a span.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.is_known" class="method"><a class="src rightside" href="../../src/tracing_core/span.rs.html#286-288">source</a><h4 class="code-header">pub fn <a href="#method.is_known" class="fn">is_known</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.77.2/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns <code>true</code> if the <code>Subscriber</code> that constructed this <code>Current</code> tracks a
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current span.</p>
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<p>If this returns <code>true</code> and <a href="struct.Current.html#method.id" title="method tracing_core::span::Current::id"><code>id</code></a>, <a href="struct.Current.html#method.metadata" title="method tracing_core::span::Current::metadata"><code>metadata</code></a>, or <a href="struct.Current.html#method.into_inner" title="method tracing_core::span::Current::into_inner"><code>into_inner</code></a>
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return <code>None</code>, that indicates that we are currently known to <em>not</em> be
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inside a span. If this returns <code>false</code>, those methods will also return
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<code>None</code>, but in this case, that is because the subscriber does not keep
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track of the currently-entered span.</p>
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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/tracing_core/span.rs.html#292-297">source</a><h4 class="code-header">pub fn <a href="#method.into_inner" class="fn">into_inner</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/option/enum.Option.html" title="enum core::option::Option">Option</a><(<a class="struct" href="struct.Id.html" title="struct tracing_core::span::Id">Id</a>, &'static <a class="struct" href="../struct.Metadata.html" title="struct tracing_core::Metadata">Metadata</a><'static>)></h4></section></summary><div class="docblock"><p>Consumes <code>self</code> and returns the span <code>Id</code> and <code>Metadata</code> of the current
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span, if one exists and is known.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.id" class="method"><a class="src rightside" href="../../src/tracing_core/span.rs.html#300-305">source</a><h4 class="code-header">pub fn <a href="#method.id" class="fn">id</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="struct" href="struct.Id.html" title="struct tracing_core::span::Id">Id</a>></h4></section></summary><div class="docblock"><p>Borrows the <code>Id</code> of the current span, if one exists and is known.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.metadata" class="method"><a class="src rightside" href="../../src/tracing_core/span.rs.html#308-313">source</a><h4 class="code-header">pub fn <a href="#method.metadata" class="fn">metadata</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'static <a class="struct" href="../struct.Metadata.html" title="struct tracing_core::Metadata">Metadata</a><'static>></h4></section></summary><div class="docblock"><p>Borrows the <code>Metadata</code> of the current span, if one exists and is known.</p>
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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-Current" class="impl"><a class="src rightside" href="../../src/tracing_core/span.rs.html#43">source</a><a href="#impl-Debug-for-Current" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</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/tracing_core/span.rs.html#43">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.77.2/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.77.2/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/1.77.2/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3C%26Current%3E-for-Option%3C%26Id%3E" class="impl"><a class="src rightside" href="../../src/tracing_core/span.rs.html#316-320">source</a><a href="#impl-From%3C%26Current%3E-for-Option%3C%26Id%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/convert/trait.From.html" title="trait core::convert::From">From</a><&'a <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a>> for <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'a <a class="struct" href="struct.Id.html" title="struct tracing_core::span::Id">Id</a>></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from-3" class="method trait-impl"><a class="src rightside" href="../../src/tracing_core/span.rs.html#317-319">source</a><a href="#method.from-3" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(cur: &'a <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a>) -> Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3C%26Current%3E-for-Option%3C%26Metadata%3C'static%3E%3E" class="impl"><a class="src rightside" href="../../src/tracing_core/span.rs.html#337-341">source</a><a href="#impl-From%3C%26Current%3E-for-Option%3C%26Metadata%3C'static%3E%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/convert/trait.From.html" title="trait core::convert::From">From</a><&'a <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a>> for <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'static <a class="struct" href="../struct.Metadata.html" title="struct tracing_core::Metadata">Metadata</a><'static>></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="../../src/tracing_core/span.rs.html#338-340">source</a><a href="#method.from-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(cur: &'a <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a>) -> Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3C%26Current%3E-for-Option%3CId%3E" class="impl"><a class="src rightside" href="../../src/tracing_core/span.rs.html#322-326">source</a><a href="#impl-From%3C%26Current%3E-for-Option%3CId%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/convert/trait.From.html" title="trait core::convert::From">From</a><&'a <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a>> for <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="struct.Id.html" title="struct tracing_core::span::Id">Id</a>></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/tracing_core/span.rs.html#323-325">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(cur: &'a <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a>) -> Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3CCurrent%3E-for-Option%3CId%3E" class="impl"><a class="src rightside" href="../../src/tracing_core/span.rs.html#328-335">source</a><a href="#impl-From%3CCurrent%3E-for-Option%3CId%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a>> for <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="struct.Id.html" title="struct tracing_core::span::Id">Id</a>></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="../../src/tracing_core/span.rs.html#329-334">source</a><a href="#method.from-2" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(cur: <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a>) -> Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</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-RefUnwindSafe-for-Current" class="impl"><a href="#impl-RefUnwindSafe-for-Current" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.77.2/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a></h3></section><section id="impl-Send-for-Current" class="impl"><a href="#impl-Send-for-Current" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a></h3></section><section id="impl-Sync-for-Current" class="impl"><a href="#impl-Sync-for-Current" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a></h3></section><section id="impl-Unpin-for-Current" class="impl"><a href="#impl-Unpin-for-Current" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</a></h3></section><section id="impl-UnwindSafe-for-Current" class="impl"><a href="#impl-UnwindSafe-for-Current" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.77.2/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Current.html" title="struct tracing_core::span::Current">Current</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/1.77.2/src/core/any.rs.html#140">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/1.77.2/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/1.77.2/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/1.77.2/src/core/any.rs.html#141">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.77.2/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/1.77.2/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/1.77.2/src/core/borrow.rs.html#208">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/1.77.2/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/1.77.2/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/1.77.2/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.77.2/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/1.77.2/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/1.77.2/src/core/borrow.rs.html#216">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/1.77.2/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/1.77.2/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/1.77.2/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.77.2/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/1.77.2/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/1.77.2/src/core/convert/mod.rs.html#764">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/1.77.2/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-4" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.77.2/src/core/convert/mod.rs.html#767">source</a><a href="#method.from-4" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/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/1.77.2/src/core/convert/mod.rs.html#747-749">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/1.77.2/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/1.77.2/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/1.77.2/src/core/convert/mod.rs.html#757">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/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/1.77.2/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/1.77.2/src/core/convert/mod.rs.html#804-806">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/1.77.2/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/1.77.2/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 href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.77.2/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.77.2/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/1.77.2/src/core/convert/mod.rs.html#811">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.77.2/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/1.77.2/src/core/convert/mod.rs.html#789-791">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/1.77.2/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/1.77.2/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 href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.77.2/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.77.2/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/1.77.2/src/core/convert/mod.rs.html#796">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.77.2/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.77.2/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.77.2/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.77.2/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> |