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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="A single syntax tree node of type `T` followed by its trailing punctuation of type `P` if any."><meta name="keywords" content="rust, rustlang, rust-lang, Pair"><title>Pair in syn::punctuated - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc enum"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../syn/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../syn/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Pair</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#variants">Variants</a></h3><ul><li><a href="#variant.End">End</a></li><li><a href="#variant.Punctuated">Punctuated</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#implementations">Methods</a></h3><ul><li><a href="#method.into_tuple">into_tuple</a></li><li><a href="#method.into_value">into_value</a></li><li><a href="#method.new">new</a></li><li><a href="#method.punct">punct</a></li><li><a href="#method.punct_mut">punct_mut</a></li><li><a href="#method.value">value</a></li><li><a href="#method.value_mut">value_mut</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#trait-implementations">Trait Implementations</a></h3><ul><li><a href="#impl-Clone-for-Pair%3CT%2C%20P%3E">Clone</a></li><li><a href="#impl-Extend%3CPair%3CT%2C%20P%3E%3E-for-Punctuated%3CT%2C%20P%3E">Extend&lt;Pair&lt;T, P&gt;&gt;</a></li><li><a href="#impl-FromIterator%3CPair%3CT%2C%20P%3E%3E-for-Punctuated%3CT%2C%20P%3E">FromIterator&lt;Pair&lt;T, P&gt;&gt;</a></li><li><a href="#impl-ToTokens-for-Pair%3CT%2C%20P%3E">ToTokens</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><a href="#impl-RefUnwindSafe-for-Pair%3CT%2C%20P%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Pair%3CT%2C%20P%3E">Send</a></li><li><a href="#impl-Sync-for-Pair%3CT%2C%20P%3E">Sync</a></li><li><a href="#impl-Unpin-for-Pair%3CT%2C%20P%3E">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Pair%3CT%2C%20P%3E">UnwindSafe</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><ul><li><a href="#impl-Any-for-Pair%3CT%2C%20P%3E">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Pair%3CT%2C%20P%3E">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Pair%3CT%2C%20P%3E">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-Pair%3CT%2C%20P%3E">From&lt;T&gt;</a></li><li><a href="#impl-Into%3CU%3E-for-Pair%3CT%2C%20P%3E">Into&lt;U&gt;</a></li><li><a href="#impl-Spanned-for-Pair%3CT%2C%20P%3E">Spanned</a></li><li><a href="#impl-ToOwned-for-Pair%3CT%2C%20P%3E">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Pair%3CT%2C%20P%3E">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-Pair%3CT%2C%20P%3E">TryInto&lt;U&gt;</a></li></ul></div></section><h2 class="location"><a href="index.html">In syn::punctuated</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../syn/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Enum <a href="../index.html">syn</a>::<wbr><a href="index.html">punctuated</a>::<wbr><a class="enum" href="#">Pair</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/syn/punctuated.rs.html#930-933">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust enum"><code>pub enum Pair&lt;T, P&gt; {
Punctuated(T,&nbsp;P),
End(T),
}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A single syntax tree node of type <code>T</code> followed by its trailing punctuation
of type <code>P</code> if any.</p>
<p>Refer to the <a href="index.html">module documentation</a> for details about punctuated sequences.</p>
</div></details><h2 id="variants" class="variants small-section-header">Variants<a href="#variants" class="anchor"></a></h2><h3 id="variant.Punctuated" class="variant small-section-header"><a href="#variant.Punctuated" class="anchor field"></a><code>Punctuated(T,&nbsp;P)</code></h3><h3 id="variant.End" class="variant small-section-header"><a href="#variant.End" class="anchor field"></a><code>End(T)</code></h3><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#935-1009">source</a></span><a href="#impl-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_value" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#938-942">source</a></span><h4 class="code-header">pub fn <a href="#method.into_value" class="fnname">into_value</a>(self) -&gt; T</h4></section></summary><div class="docblock"><p>Extracts the syntax tree node from this punctuated pair, discarding the
following punctuation.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.value" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#945-949">source</a></span><h4 class="code-header">pub fn <a href="#method.value" class="fnname">value</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&amp;</a>T</h4></section></summary><div class="docblock"><p>Borrows the syntax tree node from this punctuated pair.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.value_mut" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#952-956">source</a></span><h4 class="code-header">pub fn <a href="#method.value_mut" class="fnname">value_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&amp;mut </a>T</h4></section></summary><div class="docblock"><p>Mutably borrows the syntax tree node from this punctuated pair.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.punct" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#960-965">source</a></span><h4 class="code-header">pub fn <a href="#method.punct" class="fnname">punct</a>(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&amp;</a>P&gt;</h4></section></summary><div class="docblock"><p>Borrows the punctuation from this punctuated pair, unless this pair is
the final one and there is no trailing punctuation.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.punct_mut" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#985-990">source</a></span><h4 class="code-header">pub fn <a href="#method.punct_mut" class="fnname">punct_mut</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&amp;mut </a>P&gt;</h4></section></summary><div class="docblock"><p>Mutably borrows the punctuation from this punctuated pair, unless the
pair is the final one and there is no trailing punctuation.</p>
<h5 id="example"><a href="#example">Example</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="ident">punctuated</span>.<span class="ident">insert</span>(<span class="number">0</span>, <span class="macro">parse_quote!</span>(<span class="lifetime">&#39;lifetime</span>));
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">punct</span>) <span class="op">=</span> <span class="ident">punctuated</span>.<span class="ident">pairs_mut</span>().<span class="ident">next</span>().<span class="ident">unwrap</span>().<span class="ident">punct_mut</span>() {
<span class="ident">punct</span>.<span class="ident">span</span> <span class="op">=</span> <span class="ident">span</span>;
}</code></pre></div>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#994-999">source</a></span><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(t: T, p: <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;P&gt;) -&gt; Self</h4></section></summary><div class="docblock"><p>Creates a punctuated pair out of a syntax tree node and an optional
following punctuation.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_tuple" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#1003-1008">source</a></span><h4 class="code-header">pub fn <a href="#method.into_tuple" class="fnname">into_tuple</a>(self) -&gt; (T, <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;P&gt;)</h4></section></summary><div class="docblock"><p>Produces this punctuated pair as a tuple of syntax tree node and
optional following punctuation.</p>
</div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Clone-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#1013-1024">source</a></span><a href="#impl-Clone-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;P: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#1018-1023">source</a></span><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html#tymethod.clone" class="fnname">clone</a>(&amp;self) -&gt; Self</h4></section></summary><div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/clone.rs.html#132-134">source</a></span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html#method.clone_from" class="fnname">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&amp;</a>Self)</h4></section></summary><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Extend%3CPair%3CT%2C%20P%3E%3E-for-Punctuated%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#467-488">source</a></span><a href="#impl-Extend%3CPair%3CT%2C%20P%3E%3E-for-Punctuated%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.Extend.html" title="trait core::iter::traits::collect::Extend">Extend</a>&lt;<a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt;&gt; for <a class="struct" href="struct.Punctuated.html" title="struct syn::punctuated::Punctuated">Punctuated</a>&lt;T, P&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.extend" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#468-487">source</a></span><a href="#method.extend" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.Extend.html#tymethod.extend" class="fnname">extend</a>&lt;I:&nbsp;<a class="trait" href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt;&gt;&gt;(&amp;mut self, i: I)</h4></section></summary><div class='docblock'><p>Extends a collection with the contents of an iterator. <a href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.Extend.html#tymethod.extend">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.extend_one" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/iter/traits/collect.rs.html#371">source</a></span><a href="#method.extend_one" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.Extend.html#method.extend_one" class="fnname">extend_one</a>(&amp;mut self, item: A)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>extend_one</code>)</div></span><div class='docblock'><p>Extends a collection with exactly one element.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.extend_reserve" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/iter/traits/collect.rs.html#379">source</a></span><a href="#method.extend_reserve" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.Extend.html#method.extend_reserve" class="fnname">extend_reserve</a>(&amp;mut self, additional: <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.usize.html">usize</a>)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>extend_one</code>)</div></span><div class='docblock'><p>Reserves capacity in a collection for the given number of additional elements. <a href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.Extend.html#method.extend_reserve">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-FromIterator%3CPair%3CT%2C%20P%3E%3E-for-Punctuated%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#459-465">source</a></span><a href="#impl-FromIterator%3CPair%3CT%2C%20P%3E%3E-for-Punctuated%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.FromIterator.html" title="trait core::iter::traits::collect::FromIterator">FromIterator</a>&lt;<a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt;&gt; for <a class="struct" href="struct.Punctuated.html" title="struct syn::punctuated::Punctuated">Punctuated</a>&lt;T, P&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from_iter" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#460-464">source</a></span><a href="#method.from_iter" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter" class="fnname">from_iter</a>&lt;I:&nbsp;<a class="trait" href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt;&gt;&gt;(i: I) -&gt; Self</h4></section></summary><div class='docblock'><p>Creates a value from an iterator. <a href="https://doc.rust-lang.org/1.64.0/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-ToTokens-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#1072-1086">source</a></span><a href="#impl-ToTokens-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="../../quote/to_tokens/trait.ToTokens.html" title="trait quote::to_tokens::ToTokens">ToTokens</a> for <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../../quote/to_tokens/trait.ToTokens.html" title="trait quote::to_tokens::ToTokens">ToTokens</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;P: <a class="trait" href="../../quote/to_tokens/trait.ToTokens.html" title="trait quote::to_tokens::ToTokens">ToTokens</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_tokens" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/punctuated.rs.html#1077-1085">source</a></span><a href="#method.to_tokens" class="anchor"></a><h4 class="code-header">fn <a href="../../quote/to_tokens/trait.ToTokens.html#tymethod.to_tokens" class="fnname">to_tokens</a>(&amp;self, tokens: &amp;mut <a class="struct" href="../../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a>)</h4></section></summary><div class='docblock'><p>Write <code>self</code> to the given <code>TokenStream</code>. <a href="../../quote/to_tokens/trait.ToTokens.html#tymethod.to_tokens">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_token_stream" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/quote/to_tokens.rs.html#59">source</a></span><a href="#method.to_token_stream" class="anchor"></a><h4 class="code-header">fn <a href="../../quote/to_tokens/trait.ToTokens.html#method.to_token_stream" class="fnname">to_token_stream</a>(&amp;self) -&gt; <a class="struct" href="../../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a></h4></section></summary><div class='docblock'><p>Convert <code>self</code> directly into a <code>TokenStream</code> object. <a href="../../quote/to_tokens/trait.ToTokens.html#method.to_token_stream">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_token_stream" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/quote/to_tokens.rs.html#69-71">source</a></span><a href="#method.into_token_stream" class="anchor"></a><h4 class="code-header">fn <a href="../../quote/to_tokens/trait.ToTokens.html#method.into_token_stream" class="fnname">into_token_stream</a>(self) -&gt; <a class="struct" href="../../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a></h4></section></summary><div class='docblock'><p>Convert <code>self</code> directly into a <code>TokenStream</code> object. <a href="../../quote/to_tokens/trait.ToTokens.html#method.into_token_stream">Read more</a></p>
</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;P: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,&nbsp;</span></h3></section><section id="impl-Send-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><a href="#impl-Send-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;P: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,&nbsp;</span></h3></section><section id="impl-Sync-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><a href="#impl-Sync-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;P: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,&nbsp;</span></h3></section><section id="impl-Unpin-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><a href="#impl-Unpin-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;P: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></h3></section><section id="impl-UnwindSafe-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, P&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="enum" href="enum.Pair.html" title="enum syn::punctuated::Pair">Pair</a>&lt;T, P&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;P: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>,&nbsp;</span></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/any.rs.html#203">source</a></span><a href="#impl-Any-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/any.rs.html#204">source</a></span><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.64.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.64.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/borrow.rs.html#209">source</a></span><a href="#impl-Borrow%3CT%3E-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/borrow.rs.html#211">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&amp;</a>T</h4></section></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/borrow.rs.html#218">source</a></span><a href="#impl-BorrowMut%3CT%3E-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/borrow.rs.html#219">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&amp;mut </a>T</h4></section></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#557">source</a></span><a href="#impl-From%3CT%3E-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/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="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#559">source</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#541">source</a></span><a href="#impl-Into%3CU%3E-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#549">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.Into.html#tymethod.into" class="fnname">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/1.64.0/core/convert/trait.From.html" title="From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Spanned-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/spanned.rs.html#110-114">source</a></span><a href="#impl-Spanned-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="../spanned/trait.Spanned.html" title="trait syn::spanned::Spanned">Spanned</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: Spanned + ?<a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.span" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/syn/spanned.rs.html#111-113">source</a></span><a href="#method.span" class="anchor"></a><h4 class="code-header">fn <a href="../spanned/trait.Spanned.html#tymethod.span" class="fnname">span</a>(&amp;self) -&gt; <a class="struct" href="../../proc_macro2/struct.Span.html" title="struct proc_macro2::Span">Span</a></h4></section></summary><div class='docblock'><p>Returns a <code>Span</code> covering the complete contents of this syntax tree
node, or <a href="../../proc_macro2/struct.Span.html#method.call_site"><code>Span::call_site()</code></a> if this node is empty. <a href="../spanned/trait.Spanned.html#tymethod.span">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/alloc/borrow.rs.html#83">source</a></span><a href="#impl-ToOwned-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'><p>The resulting type after obtaining ownership.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/alloc/borrow.rs.html#88">source</a></span><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fnname">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/alloc/borrow.rs.html#92">source</a></span><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fnname">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&amp;mut </a>T)</h4></section></summary><div class='docblock'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#598">source</a></span><a href="#impl-TryFrom%3CU%3E-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#604">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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/1.64.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-Pair%3CT%2C%20P%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#583">source</a></span><a href="#impl-TryInto%3CU%3E-for-Pair%3CT%2C%20P%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#589">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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/1.64.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
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