<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="Trait that abstracts over a text source for use by the bidi algorithms. We implement this for str (UTF-8) and for u16 (UTF-16, native-endian). (For internal unicode-bidi use; API may be unstable.) This trait is sealed and cannot be implemented for types outside this crate."><title>TextSource in unicode_bidi - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><linkrel="stylesheet"href="../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../static.files/rustdoc-dd39b87e5fcfba68.css"><metaname="rustdoc-vars"data-root-path="../"data-static-root-path="../static.files/"data-current-crate="unicode_bidi"data-themes=""data-resource-suffix=""data-rustdoc-version="1.80.0 (051478957 2024-07-21)"data-channel="1.80.0"data-search-js="search-d52510db62a78183.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../static.files/storage-118b08c4c78b968e.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../static.files/main-20a3ad099b048cf2.js"></script><noscript><linkrel="stylesheet"href="../static.files/noscript-df360f571f6edeae.css"></noscript><linkrel="alternate icon"type="image/png"href="../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle"title="show sidebar"></button></nav><navclass="sidebar"><divclass="sidebar-crate"><h2><ahref="../unicode_bidi/index.html">unicode_bidi</a><spanclass="version">0.3.15</span></h2></div><h2class="location"><ahref="#">TextSource</a></h2><divclass="sidebar-elems"><section><h3><ahref="#required-associated-types">Required Associated Types</a></h3><ulclass="block"><li><ahref="#associatedtype.CharIndexIter">CharIndexIter</a></li><li><ahref="#associatedtype.CharIter">CharIter</a></li><li><ahref="#associatedtype.IndexLenIter">IndexLenIter</a></li></ul><h3><ahref="#foreign-impls">Implementations on Foreign Types</a></h3><ulclass="block"><li><ahref="#impl-TextSource%3C'text%3E-for-%5Bu16%5D">[u16]</a></li><li><ahref="#impl-TextSource%3C'text%3E-for-str">str</a></li></ul><h3><ahref="#object-safety">Object Safety</a></h3><h3><ahref="#implementors">Implementors</a></h3></section><h2><ahref="index.html">In crate unicode_bidi</a></h2></div></nav><divclass="sidebar-resizer"></div><main><divclass="width-limiter"><rustdoc-search></rustdoc-search><sectionid="main-content"class="content"><divclass="main-heading"><h1>Trait <ahref="index.html">unicode_bidi</a>::<wbr><aclass="trait"href="#">TextSource</a><buttonid="copy-path"title="Copy item path to clipboard">Copy item path</button></h1><spanclass="out-of-band"><aclass="src"href="../src/unicode_bidi/lib.rs.html#110-150">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub trait TextSource<'text>: Sealed {
type <ahref="#associatedtype.CharIter"class="associatedtype">CharIter</a>: <aclass="trait"href="https://doc.rust-lang.org/1.80.0/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a><Item = <aclass="primitive"href="https://doc.rust-lang.org/1.80.0/std/primitive.char.html">char</a>>;
type <ahref="#associatedtype.CharIndexIter"class="associatedtype">CharIndexIter</a>: <aclass="trait"href="https://doc.rust-lang.org/1.80.0/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a><Item = (<aclass="primitive"href="https://doc.rust-lang.org/1.80.0/std/primitive.usize.html">usize</a>, <aclass="primitive"href="https://doc.rust-lang.org/1.80.0/std/primitive.char.html">char</a>)>;
type <ahref="#associatedtype.IndexLenIter"class="associatedtype">IndexLenIter</a>: <aclass="trait"href="https://doc.rust-lang.org/1.80.0/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a><Item = (<aclass="primitive"href="https://doc.rust-lang.org/1.80.0/std/primitive.usize.html">usize</a>, <aclass="primitive"href="https://doc.rust-lang.org/1.80.0/std/primitive.usize.html">usize</a>)>;
}</code></pre><detailsclass="toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>Trait that abstracts over a text source for use by the bidi algorithms.
We implement this for str (UTF-8) and for <ahref="https://doc.rust-lang.org/1.80.0/std/primitive.u16.html"title="primitive u16">u16</a> (UTF-16, native-endian).
