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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="Metadata about a log message."><title>Metadata in log - 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-46132b98.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="log" data-themes="" data-resource-suffix="" data-rustdoc-version="1.86.0-nightly (8361aef0d 2025-01-14)" data-channel="nightly" data-search-js="search-75f5ac3e.js" data-settings-js="settings-0f613d39.js" ><script src="../static.files/storage-59e33391.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-893ab5e7.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></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="../log/index.html"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../log/index.html"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png" alt="logo"></a><h2><a href="../log/index.html">log</a><span class="version">0.4.25</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Metadata</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#use" title="Use">Use</a></li><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.builder" title="builder">builder</a></li><li><a href="#method.level" title="level">level</a></li><li><a href="#method.target" title="target">target</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-Metadata%3C'a%3E" title="Clone">Clone</a></li><li><a href="#impl-Debug-for-Metadata%3C'a%3E" title="Debug">Debug</a></li><li><a href="#impl-Eq-for-Metadata%3C'a%3E" title="Eq">Eq</a></li><li><a href="#impl-Hash-for-Metadata%3C'a%3E" title="Hash">Hash</a></li><li><a href="#impl-Ord-for-Metadata%3C'a%3E" title="Ord">Ord</a></li><li><a href="#impl-PartialEq-for-Metadata%3C'a%3E" title="PartialEq">PartialEq</a></li><li><a href="#impl-PartialOrd-for-Metadata%3C'a%3E" title="PartialOrd">PartialOrd</a></li><li><a href="#impl-StructuralPartialEq-for-Metadata%3C'a%3E" title="StructuralPartialEq">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-Metadata%3C'a%3E" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-Metadata%3C'a%3E" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Metadata%3C'a%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-Metadata%3C'a%3E" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-Metadata%3C'a%3E" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Metadata%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-CloneToUninit-for-T" title="CloneToUninit">CloneToUninit</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 log</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">log</a></span><h1>Struct <span class="struct">Metadata</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/log/lib.rs.html#1081-1084">Source</a> </span></div><pre class="rust item-decl"><code>pub struct Metadata<'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>Metadata about a log message.</p>
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<h2 id="use"><a class="doc-anchor" href="#use">§</a>Use</h2>
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<p><code>Metadata</code> structs are created when users of the library use
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logging macros.</p>
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<p>They are consumed by implementations of the <code>Log</code> trait in the
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<code>enabled</code> method.</p>
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<p><code>Record</code>s use <code>Metadata</code> to determine the log message’s severity
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and target.</p>
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<p>Users should use the <code>log_enabled!</code> macro in their code to avoid
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constructing expensive log messages.</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>log::{Record, Level, Metadata};
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<span class="kw">struct </span>MyLogger;
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<span class="kw">impl </span>log::Log <span class="kw">for </span>MyLogger {
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<span class="kw">fn </span>enabled(<span class="kw-2">&</span><span class="self">self</span>, metadata: <span class="kw-2">&</span>Metadata) -> bool {
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metadata.level() <= Level::Info
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}
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<span class="kw">fn </span>log(<span class="kw-2">&</span><span class="self">self</span>, record: <span class="kw-2">&</span>Record) {
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<span class="kw">if </span><span class="self">self</span>.enabled(record.metadata()) {
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<span class="macro">println!</span>(<span class="string">"{} - {}"</span>, record.level(), record.args());
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}
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}
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<span class="kw">fn </span>flush(<span class="kw-2">&</span><span class="self">self</span>) {}
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}
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</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-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1086-1104">Source</a><a href="#impl-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.builder" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1089-1091">Source</a><h4 class="code-header">pub fn <a href="#method.builder" class="fn">builder</a>() -> <a class="struct" href="struct.MetadataBuilder.html" title="struct log::MetadataBuilder">MetadataBuilder</a><'a></h4></section></summary><div class="docblock"><p>Returns a new builder.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.level" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1095-1097">Source</a><h4 class="code-header">pub fn <a href="#method.level" class="fn">level</a>(&self) -> <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h4></section></summary><div class="docblock"><p>The verbosity level of the message.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.target" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1101-1103">Source</a><h4 class="code-header">pub fn <a href="#method.target" class="fn">target</a>(&self) -> &'a str</h4></section></summary><div class="docblock"><p>The name of the target of the directive.</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-Clone-for-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#impl-Clone-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Clone for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a class="fn">clone</a>(&self) -> <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a class="fn">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#impl-Debug-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Debug for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</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/log/lib.rs.html#1080">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a class="fn">fmt</a>(&self, f: &mut Formatter<'_>) -> Result</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Hash-for-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#impl-Hash-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Hash for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.hash" class="method trait-impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#method.hash" class="anchor">§</a><h4 class="code-header">fn <a class="fn">hash</a><__H: Hasher>(&self, state: &mut __H)</h4></section></summary><div class='docblock'>Feeds this value into the given [<code>Hasher</code>]. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.hash_slice" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.3.0">1.3.0</span><a href="#method.hash_slice" class="anchor">§</a><h4 class="code-header">fn <a class="fn">hash_slice</a><H>(data: &[Self], state: &mut H)<div class="where">where
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H: Hasher,
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Self: Sized,</div></h4></section></summary><div class='docblock'>Feeds a slice of this type into the given [<code>Hasher</code>]. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Ord-for-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#impl-Ord-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Ord for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.cmp" class="method trait-impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#method.cmp" class="anchor">§</a><h4 class="code-header">fn <a class="fn">cmp</a>(&self, other: &<a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a>) -> Ordering</h4></section></summary><div class='docblock'>This method returns an [<code>Ordering</code>] between <code>self</code> and <code>other</code>. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.max" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.21.0">1.21.0</span><a href="#method.max" class="anchor">§</a><h4 class="code-header">fn <a class="fn">max</a>(self, other: Self) -> Self<div class="where">where
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Self: Sized,</div></h4></section></summary><div class='docblock'>Compares and returns the maximum of two values. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.min" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.21.0">1.21.0</span><a href="#method.min" class="anchor">§</a><h4 class="code-header">fn <a class="fn">min</a>(self, other: Self) -> Self<div class="where">where
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Self: Sized,</div></h4></section></summary><div class='docblock'>Compares and returns the minimum of two values. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clamp" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.50.0">1.50.0</span><a href="#method.clamp" class="anchor">§</a><h4 class="code-header">fn <a class="fn">clamp</a>(self, min: Self, max: Self) -> Self<div class="where">where
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Self: Sized,</div></h4></section></summary><div class='docblock'>Restrict a value to a certain interval. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialEq-for-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#impl-PartialEq-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> PartialEq for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a class="fn">eq</a>(&self, other: &<a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a>) -> bool</h4></section></summary><div class='docblock'>Tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a class="fn">ne</a>(&self, other: &Rhs) -> bool</h4></section></summary><div class='docblock'>Tests for <code>!=</code>. The default implementation is almost always sufficient,
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and should not be overridden without very good reason.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialOrd-for-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#impl-PartialOrd-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> PartialOrd for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.partial_cmp" class="method trait-impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#method.partial_cmp" class="anchor">§</a><h4 class="code-header">fn <a class="fn">partial_cmp</a>(&self, other: &<a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a>) -> Option<Ordering></h4></section></summary><div class='docblock'>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.lt" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.lt" class="anchor">§</a><h4 class="code-header">fn <a class="fn">lt</a>(&self, other: &Rhs) -> bool</h4></section></summary><div class='docblock'>Tests less than (for <code>self</code> and <code>other</code>) and is used by the <code><</code> operator. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.le" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.le" class="anchor">§</a><h4 class="code-header">fn <a class="fn">le</a>(&self, other: &Rhs) -> bool</h4></section></summary><div class='docblock'>Tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the
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<code><=</code> operator. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.gt" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.gt" class="anchor">§</a><h4 class="code-header">fn <a class="fn">gt</a>(&self, other: &Rhs) -> bool</h4></section></summary><div class='docblock'>Tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>></code>
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operator. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.ge" class="method trait-impl"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ge" class="anchor">§</a><h4 class="code-header">fn <a class="fn">ge</a>(&self, other: &Rhs) -> bool</h4></section></summary><div class='docblock'>Tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by
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the <code>>=</code> operator. <a>Read more</a></div></details></div></details><section id="impl-Eq-for-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#impl-Eq-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Eq for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section><section id="impl-StructuralPartialEq-for-Metadata%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1080">Source</a><a href="#impl-StructuralPartialEq-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> StructuralPartialEq for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></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-Metadata%3C'a%3E" class="impl"><a href="#impl-Freeze-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Freeze for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section><section id="impl-RefUnwindSafe-for-Metadata%3C'a%3E" class="impl"><a href="#impl-RefUnwindSafe-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> RefUnwindSafe for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section><section id="impl-Send-for-Metadata%3C'a%3E" class="impl"><a href="#impl-Send-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Send for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section><section id="impl-Sync-for-Metadata%3C'a%3E" class="impl"><a href="#impl-Sync-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Sync for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section><section id="impl-Unpin-for-Metadata%3C'a%3E" class="impl"><a href="#impl-Unpin-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> Unpin for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a><'a></h3></section><section id="impl-UnwindSafe-for-Metadata%3C'a%3E" class="impl"><a href="#impl-UnwindSafe-for-Metadata%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> UnwindSafe for <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</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 href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> Any for T<div class="where">where
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T: 'static + ?Sized,</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 href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a class="fn">type_id</a>(&self) -> TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> Borrow<T> for T<div class="where">where
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T: ?Sized,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a class="fn">borrow</a>(&self) -> &T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> BorrowMut<T> for T<div class="where">where
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T: ?Sized,</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 href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a class="fn">borrow_mut</a>(&mut self) -> &mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-CloneToUninit-for-T" class="impl"><a href="#impl-CloneToUninit-for-T" class="anchor">§</a><h3 class="code-header">impl<T> CloneToUninit for T<div class="where">where
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T: Clone,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone_to_uninit" class="method trait-impl"><a href="#method.clone_to_uninit" class="anchor">§</a><h4 class="code-header">unsafe fn <a class="fn">clone_to_uninit</a>(&self, dst: *mut u8)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>clone_to_uninit</code>)</span></div></span><div class='docblock'>Performs copy-assignment from <code>self</code> to <code>dst</code>. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> From<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 href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a 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 href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> Into<U> for T<div class="where">where
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U: From<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 href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a 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>[From]<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 href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> TryFrom<U> for T<div class="where">where
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U: Into<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 class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a class="fn">try_from</a>(value: U) -> Result<T, <T as TryFrom<U>>::Error></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 href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> TryInto<U> for T<div class="where">where
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U: TryFrom<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 class="associatedtype">Error</a> = <U as TryFrom<T>>::Error</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 href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a class="fn">try_into</a>(self) -> Result<U, <U as TryFrom<T>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html> |