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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 `unicode_xid` crate."><meta name="keywords" content="rust, rustlang, rust-lang, unicode_xid"><title>unicode_xid - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="https://unicode-rs.github.io/unicode-rs_sm.png"><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='../unicode_xid/index.html'><div class='logo-container'><img src='https://unicode-rs.github.io/unicode-rs_sm.png' alt='logo'></div></a><p class="location">Crate unicode_xid</p><div class="block version"><p>Version 0.2.1</p></div><div class="sidebar-elems"><a id="all-types" href="all.html"><p>See all unicode_xid's items</p></a><div class="block items"><ul><li><a href="#constants">Constants</a></li><li><a href="#traits">Traits</a></li></ul></div><p class="location"></p><script>window.sidebarCurrent = {name: "unicode_xid", ty: "mod", relpath: "../"};</script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<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/unicode_xid/lib.rs.html#11-84" title="goto source code">[src]</a></span><span class="in-band">Crate <a class="mod" href="">unicode_xid</a></span></h1><div class="docblock"><p>Determine if a <code>char</code> is a valid identifier for a parser and/or lexer according to
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<a href="http://www.unicode.org/reports/tr31/">Unicode Standard Annex #31</a> rules.</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">unicode_xid</span>;
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<span class="kw">use</span> <span class="ident">unicode_xid</span>::<span class="ident">UnicodeXID</span>;
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<span class="kw">fn</span> <span class="ident">main</span>() {
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<span class="kw">let</span> <span class="ident">ch</span> <span class="op">=</span> <span class="string">'a'</span>;
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<span class="macro">println</span><span class="macro">!</span>(<span class="string">"Is {} a valid start of an identifier? {}"</span>, <span class="ident">ch</span>, <span class="ident">UnicodeXID</span>::<span class="ident">is_xid_start</span>(<span class="ident">ch</span>));
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}</pre></div>
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<h1 id="features" class="section-header"><a href="#features">features</a></h1>
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<p>unicode-xid supports a <code>no_std</code> feature. This eliminates dependence
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on std, and instead uses equivalent functions from core.</p>
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</div><h2 id="constants" class="section-header"><a href="#constants">Constants</a></h2>
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<table><tr class="module-item"><td><a class="constant" href="constant.UNICODE_VERSION.html" title="unicode_xid::UNICODE_VERSION constant">UNICODE_VERSION</a></td><td class="docblock-short"><p>The version of <a href="http://www.unicode.org/">Unicode</a>
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that this version of unicode-xid is based on.</p>
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</td></tr></table><h2 id="traits" class="section-header"><a href="#traits">Traits</a></h2>
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<table><tr class="module-item"><td><a class="trait" href="trait.UnicodeXID.html" title="unicode_xid::UnicodeXID trait">UnicodeXID</a></td><td class="docblock-short"><p>Methods for determining if a character is a valid identifier character.</p>
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</td></tr></table></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "unicode_xid";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
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