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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="API documentation for the Rust `punctuated` mod in crate `syn`."><meta name="keywords" content="rust, rustlang, rust-lang, punctuated"><title>syn::punctuated - Rust</title><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="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="shortcut icon" href="../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../syn/index.html'><div class='logo-container'><img src='../../rust-logo.png' alt='logo'></div></a><p class='location'>Module punctuated</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li></ul></div><p class='location'><a href='../index.html'>syn</a></p><script>window.sidebarCurrent = {name: 'punctuated', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/syn/punctuated.rs.html#1-836' title='goto source code'>[src]</a></span><span class='in-band'>Module <a href='../index.html'>syn</a>::<wbr><a class="mod" href=''>punctuated</a></span></h1><div class='docblock'><p>A punctuated sequence of syntax tree nodes separated by punctuation.</p>
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<p>Lots of things in Rust are punctuated sequences.</p>
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<ul>
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<li>The fields of a struct are <code>Punctuated<Field, Token![,]></code>.</li>
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<li>The segments of a path are <code>Punctuated<PathSegment, Token![::]></code>.</li>
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<li>The bounds on a generic parameter are <code>Punctuated<TypeParamBound, Token![+]></code>.</li>
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<li>The arguments to a function call are <code>Punctuated<Expr, Token![,]></code>.</li>
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</ul>
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<p>This module provides a common representation for these punctuated sequences
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in the form of the <a href="struct.Punctuated.html"><code>Punctuated<T, P></code></a> type. We store a vector of pairs of
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syntax tree node + punctuation, where every node in the sequence is followed
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by punctuation except for possibly the final one.</p>
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<pre><code class="language-text">a_function_call(arg1, arg2, arg3);
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^^^^^ ~~~~~ ^^^^
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</code></pre>
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</div><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table><tr class='module-item'><td><a class="struct" href="struct.IntoIter.html" title='syn::punctuated::IntoIter struct'>IntoIter</a></td><td class='docblock-short'><p>An iterator over owned values of type <code>T</code>.</p>
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</td></tr><tr class='module-item'><td><a class="struct" href="struct.IntoPairs.html" title='syn::punctuated::IntoPairs struct'>IntoPairs</a></td><td class='docblock-short'><p>An iterator over owned pairs of type <code>Pair<T, P></code>.</p>
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</td></tr><tr class='module-item'><td><a class="struct" href="struct.Iter.html" title='syn::punctuated::Iter struct'>Iter</a></td><td class='docblock-short'><p>An iterator over borrowed values of type <code>&T</code>.</p>
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</td></tr><tr class='module-item'><td><a class="struct" href="struct.IterMut.html" title='syn::punctuated::IterMut struct'>IterMut</a></td><td class='docblock-short'><p>An iterator over mutably borrowed values of type <code>&mut T</code>.</p>
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</td></tr><tr class='module-item'><td><a class="struct" href="struct.Pairs.html" title='syn::punctuated::Pairs struct'>Pairs</a></td><td class='docblock-short'><p>An iterator over borrowed pairs of type <code>Pair<&T, &P></code>.</p>
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</td></tr><tr class='module-item'><td><a class="struct" href="struct.PairsMut.html" title='syn::punctuated::PairsMut struct'>PairsMut</a></td><td class='docblock-short'><p>An iterator over mutably borrowed pairs of type <code>Pair<&mut T, &mut P></code>.</p>
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</td></tr><tr class='module-item'><td><a class="struct" href="struct.Punctuated.html" title='syn::punctuated::Punctuated struct'>Punctuated</a></td><td class='docblock-short'><p>A punctuated sequence of syntax tree nodes of type <code>T</code> separated by
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punctuation of type <code>P</code>.</p>
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</td></tr></table><h2 id='enums' class='section-header'><a href="#enums">Enums</a></h2>
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<table><tr class='module-item'><td><a class="enum" href="enum.Pair.html" title='syn::punctuated::Pair enum'>Pair</a></td><td class='docblock-short'><p>A single syntax tree node of type <code>T</code> followed by its trailing punctuation
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of type <code>P</code> if any.</p>
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