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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="Methods for determining displayed width of Unicode strings."><title>UnicodeWidthStr in unicode_width - 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"href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-17e0aaed.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="unicode_width" data-themes="" data-resource-suffix="" data-rustdoc-version="1.96.0-nightly (02c7f9bec 2026-04-10)" data-channel="nightly" data-search-js="search-b5634cc7.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../static.files/storage-41dd4d93.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-5013f961.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-f7c3ffd8.css"></noscript><link rel="icon" href="https://unicode-rs.github.io/unicode-rs_sm.png"></head><body class="rustdoc trait"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">UnicodeWidthStr</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../unicode_width/index.html"><img src="https://unicode-rs.github.io/unicode-rs_sm.png" alt="logo"></a><h2><a href="../unicode_width/index.html">unicode_<wbr>width</a><span class="version">0.2.2</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Unicode<wbr>Width<wbr>Str</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.width" title="width">width</a></li><li><a href="#tymethod.width_cjk" title="width_cjk">width_cjk</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-UnicodeWidthStr-for-str" title="str">str</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate unicode_<wbr>width</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="index.html">unicode_width</a></div><h1>Trait <span class="trait">Unicode<wbr>Width<wbr>Str</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/unicode_width/lib.rs.html#229-246">Source</a> </span></div><pre class="rust item-decl"><code>pub trait UnicodeWidthStr: Sealed {
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// Required methods
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fn <a href="#tymethod.width" class="fn">width</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.width_cjk" class="fn">width_cjk</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>;
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Methods for determining displayed width of Unicode strings.</p>
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</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">ยง</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.width" class="method"><a class="src rightside" href="../src/unicode_width/lib.rs.html#236">Source</a><h4 class="code-header">fn <a href="#tymethod.width" class="fn">width</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the stringโs displayed width in columns.</p>
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<p>This function treats characters in the Ambiguous category according
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to <a href="http://www.unicode.org/reports/tr11/">Unicode Standard Annex #11</a>
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as 1 column wide. This is consistent with the recommendations for
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non-CJK contexts, or when the context cannot be reliably determined.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.width_cjk" class="method"><a class="src rightside" href="../src/unicode_width/lib.rs.html#245">Source</a><h4 class="code-header">fn <a href="#tymethod.width_cjk" class="fn">width_cjk</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the stringโs displayed width in columns.</p>
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<p>This function treats characters in the Ambiguous category according
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to <a href="http://www.unicode.org/reports/tr11/">Unicode Standard Annex #11</a>
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as 2 column wide. This is consistent with the recommendations for
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CJK contexts.</p>
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</div></details></div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">ยง</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-UnicodeWidthStr-for-str" class="impl"><a class="src rightside" href="../src/unicode_width/lib.rs.html#248-259">Source</a><a href="#impl-UnicodeWidthStr-for-str" class="anchor">ยง</a><h3 class="code-header">impl <a class="trait" href="trait.UnicodeWidthStr.html" title="trait unicode_width::UnicodeWidthStr">UnicodeWidthStr</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.str.html">str</a></h3></section></summary><div class="impl-items"><section id="method.width" class="method trait-impl"><a class="src rightside" href="../src/unicode_width/lib.rs.html#250-252">Source</a><a href="#method.width" class="anchor">ยง</a><h4 class="code-header">fn <a href="#tymethod.width" class="fn">width</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></section><section id="method.width_cjk" class="method trait-impl"><a class="src rightside" href="../src/unicode_width/lib.rs.html#256-258">Source</a><a href="#method.width_cjk" class="anchor">ยง</a><h4 class="code-header">fn <a href="#tymethod.width_cjk" class="fn">width_cjk</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">ยง</a></h2><div id="implementors-list"></div><script src="../trait.impl/unicode_width/trait.UnicodeWidthStr.js" data-ignore-extern-crates="core" async></script></section></div></main></body></html> |