log/struct.RecordBuilder.html

<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Builder for `Record`."><title>RecordBuilder in log - 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" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-84e720fa.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="1.89.0 (29483883e 2025-08-04)" data-channel="1.89.0" data-search-js="search-92309212.js" data-settings-js="settings-5514c975.js" ><script src="../static.files/storage-4e99c027.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-fd3af306.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-32bb7600.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">0.4.28</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Record<wbr>Builder</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#examples" title="Examples">Examples</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.args" title="args">args</a></li><li><a href="#method.build" title="build">build</a></li><li><a href="#method.file" title="file">file</a></li><li><a href="#method.file_static" title="file_static">file_static</a></li><li><a href="#method.level" title="level">level</a></li><li><a href="#method.line" title="line">line</a></li><li><a href="#method.metadata" title="metadata">metadata</a></li><li><a href="#method.module_path" title="module_path">module_path</a></li><li><a href="#method.module_path_static" title="module_path_static">module_path_static</a></li><li><a href="#method.new" title="new">new</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-Debug-for-RecordBuilder%3C'a%3E" title="Debug">Debug</a></li><li><a href="#impl-Default-for-RecordBuilder%3C'_%3E" title="Default">Default</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Send-for-RecordBuilder%3C'a%3E" title="!Send">!Send</a></li><li><a href="#impl-Sync-for-RecordBuilder%3C'a%3E" title="!Sync">!Sync</a></li><li><a href="#impl-Freeze-for-RecordBuilder%3C'a%3E" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-RecordBuilder%3C'a%3E" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Unpin-for-RecordBuilder%3C'a%3E" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-RecordBuilder%3C'a%3E" title="UnwindSafe">UnwindSafe</a></li></ul>
<p>Typically should only be used by log library creators or for testing and “shim loggers”.
The <code>RecordBuilder</code> can set the different parameters of <code>Record</code> object, and returns
the created object when <code>build</code> is called.</p>
<h2 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h2>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>log::{Level, Record};

<span class="kw">let </span>record = Record::builder()
                .args(<span class="macro">format_args!</span>(<span class="string">"Error!"</span>))
                .level(Level::Error)
                .target(<span class="string">"myApp"</span>)
                .file(<span class="prelude-val">Some</span>(<span class="string">"server.rs"</span>))
                .line(<span class="prelude-val">Some</span>(<span class="number">144</span>))
                .module_path(<span class="prelude-val">Some</span>(<span class="string">"server"</span>))
                .build();</code></pre></div>
<p>Alternatively, use <a href="struct.MetadataBuilder.html"><code>MetadataBuilder</code></a>:</p>

<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>log::{Record, Level, MetadataBuilder};

<span class="kw">let </span>error_metadata = MetadataBuilder::new()
                        .target(<span class="string">"myApp"</span>)
                        .level(Level::Error)
                        .build();

<span class="kw">let </span>record = Record::builder()
                .metadata(error_metadata)
                .args(<span class="macro">format_args!</span>(<span class="string">"Error!"</span>))
                .line(<span class="prelude-val">Some</span>(<span class="number">433</span>))
                .file(<span class="prelude-val">Some</span>(<span class="string">"app.rs"</span>))
                .module_path(<span class="prelude-val">Some</span>(<span class="string">"server"</span>))
                .build();</code></pre></div>
</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-RecordBuilder%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1002-1106">Source</a><a href="#impl-RecordBuilder%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a&gt; <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</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/log/lib.rs.html#1016-1028">Source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>() -&gt; <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Construct new <code>RecordBuilder</code>.</p>
<p>The default options are:</p>
<ul>
<li><code>args</code>: <a href="https://doc.rust-lang.org/std/macro.format_args.html"><code>format_args!("")</code></a></li>
<li><code>metadata</code>: <a href="struct.MetadataBuilder.html#method.build"><code>Metadata::builder().build()</code></a></li>
<li><code>module_path</code>: <code>None</code></li>
<li><code>file</code>: <code>None</code></li>
<li><code>line</code>: <code>None</code></li>
</ul>
</div></details><details class="toggle method-toggle" open><summary><section id="method.args" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1032-1035">Source</a><h4 class="code-header">pub fn <a href="#method.args" class="fn">args</a>(&amp;mut self, args: <a class="struct" href="https://doc.rust-lang.org/1.89.0/core/fmt/struct.Arguments.html" title="struct core::fmt::Arguments">Arguments</a>&lt;'a&gt;) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Record.html#method.args"><code>args</code></a>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.metadata" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1039-1042">Source</a><h4 class="code-header">pub fn <a href="#method.metadata" class="fn">metadata</a>(&amp;mut self, metadata: <a class="struct" href="struct.Metadata.html" title="struct log::Metadata">Metadata</a>&lt;'a&gt;) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Record.html#method.metadata"><code>metadata</code></a>. Construct a <code>Metadata</code> object with <a href="struct.MetadataBuilder.html"><code>MetadataBuilder</code></a>.</p>
</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#1046-1049">Source</a><h4 class="code-header">pub fn <a href="#method.level" class="fn">level</a>(&amp;mut self, level: <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Metadata.html#method.level"><code>Metadata::level</code></a>.</p>
</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#1053-1056">Source</a><h4 class="code-header">pub fn <a href="#method.target" class="fn">target</a>(&amp;mut self, target: &amp;'a <a class="primitive" href="https://doc.rust-lang.org/1.89.0/core/primitive.str.html">str</a>) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Metadata.html#method.target"><code>Metadata::target</code></a></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.module_path" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1060-1063">Source</a><h4 class="code-header">pub fn <a href="#method.module_path" class="fn">module_path</a>(&amp;mut self, path: <a class="enum" href="https://doc.rust-lang.org/1.89.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;'a <a class="primitive" href="https://doc.rust-lang.org/1.89.0/core/primitive.str.html">str</a>&gt;) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Record.html#method.module_path"><code>module_path</code></a></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.module_path_static" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1067-1070">Source</a><h4 class="code-header">pub fn <a href="#method.module_path_static" class="fn">module_path_static</a>(
    &amp;mut self,
    path: <a class="enum" href="https://doc.rust-lang.org/1.89.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;'static <a class="primitive" href="https://doc.rust-lang.org/1.89.0/core/primitive.str.html">str</a>&gt;,
) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Record.html#method.module_path"><code>module_path</code></a> to a <code>'static</code> string</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.file" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1074-1077">Source</a><h4 class="code-header">pub fn <a href="#method.file" class="fn">file</a>(&amp;mut self, file: <a class="enum" href="https://doc.rust-lang.org/1.89.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;'a <a class="primitive" href="https://doc.rust-lang.org/1.89.0/core/primitive.str.html">str</a>&gt;) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Record.html#method.file"><code>file</code></a></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.file_static" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1081-1084">Source</a><h4 class="code-header">pub fn <a href="#method.file_static" class="fn">file_static</a>(
    &amp;mut self,
    file: <a class="enum" href="https://doc.rust-lang.org/1.89.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;'static <a class="primitive" href="https://doc.rust-lang.org/1.89.0/core/primitive.str.html">str</a>&gt;,
) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Record.html#method.file"><code>file</code></a> to a <code>'static</code> string.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.line" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1088-1091">Source</a><h4 class="code-header">pub fn <a href="#method.line" class="fn">line</a>(&amp;mut self, line: <a class="enum" href="https://doc.rust-lang.org/1.89.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.89.0/core/primitive.u32.html">u32</a>&gt;) -&gt; &amp;mut <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Set <a href="struct.Record.html#method.line"><code>line</code></a></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.build" class="method"><a class="src rightside" href="../src/log/lib.rs.html#1103-1105">Source</a><h4 class="code-header">pub fn <a href="#method.build" class="fn">build</a>(&amp;self) -&gt; <a class="struct" href="struct.Record.html" title="struct log::Record">Record</a>&lt;'a&gt;</h4></section></summary><div class="docblock"><p>Invoke the builder and return a <code>Record</code></p>
</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-RecordBuilder%3C'a%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#997">Source</a><a href="#impl-Debug-for-RecordBuilder%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</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#997">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.89.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.89.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.89.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Default-for-RecordBuilder%3C'_%3E" class="impl"><a class="src rightside" href="../src/log/lib.rs.html#1108-1112">Source</a><a href="#impl-Default-for-RecordBuilder%3C'_%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'_&gt;</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.default" class="method trait-impl"><a class="src rightside" href="../src/log/lib.rs.html#1109-1111">Source</a><a href="#method.default" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/default/trait.Default.html#tymethod.default" class="fn">default</a>() -&gt; Self</h4></section></summary><div class='docblock'>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/1.89.0/core/default/trait.Default.html#tymethod.default">Read more</a></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-RecordBuilder%3C'a%3E" class="impl"><a href="#impl-Freeze-for-RecordBuilder%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h3></section><section id="impl-RefUnwindSafe-for-RecordBuilder%3C'a%3E" class="impl"><a href="#impl-RefUnwindSafe-for-RecordBuilder%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.RecordBuilder.html" title="struct log::RecordBuilder">RecordBuilder</a>&lt;'a&gt;</h3></section><section id="impl-Send-for-RecordBuilder%3C'a%3E" class="impl"><a href="#impl-Send-for-Record
    T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.89.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.89.0/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.89.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.89.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.89.0/src/core/borrow.rs.html#209">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
    T: ?<a class="trait" href="https://doc.rust-lang.org/1.89.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.89.0/src/core/borrow.rs.html#211">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.89.0/core/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.89.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.89.0/src/core/borrow.rs.html#217">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
    T: ?<a class="trait" href="https://doc.rust-lang.org/1.89.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.89.0/src/core/borrow.rs.html#218">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.89.0/core/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.89.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.89.0/src/core/convert/mod.rs.html#774">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; 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/1.89.0/src/core/convert/mod.rs.html#777">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</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/1.89.0/src/core/convert/mod.rs.html#757-759">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
    U: <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</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/1.89.0/src/core/convert/mod.rs.html#767">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/1.89.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</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/1.89.0/src/core/convert/mod.rs.html#813-815">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
    U: <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</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/1.89.0/src/core/convert/mod.rs.html#817">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.89.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.89.0/src/core/convert/mod.rs.html#820">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.89.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</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/1.89.0/src/core/convert/mod.rs.html#798-800">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
    U: <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</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/1.89.0/src/core/convert/mod.rs.html#802">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.89.0/src/core/convert/mod.rs.html#805">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.89.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.89.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>