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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 `take_until_bytes` fn in crate `combine`."><meta name="keywords" content="rust, rustlang, rust-lang, take_until_bytes"><title>combine::parser::byte::take_until_bytes - 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 fn"><!--[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='../../../combine/index.html'><img src='../../../rust-logo.png' alt='logo' width='100'></a><div class="sidebar-elems"><p class='location'><a href='../../index.html'>combine</a>::<wbr><a href='../index.html'>parser</a>::<wbr><a href='index.html'>byte</a></p><script>window.sidebarCurrent = {name: 'take_until_bytes', ty: 'fn', 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/combine/lib.rs.html#368-664' title='goto source code'>[src]</a></span><span class='in-band'>Function <a href='../../index.html'>combine</a>::<wbr><a href='../index.html'>parser</a>::<wbr><a href='index.html'>byte</a>::<wbr><a class="fn" href=''>take_until_bytes</a></span></h1><pre class='rust fn'>pub fn take_until_bytes<'a, I>(needle: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'a [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="struct" href="../../../combine/parser/byte/struct.take_until_bytes.html" title="struct combine::parser::byte::take_until_bytes">take_until_bytes</a><'a, I> <span class="where fmt-newline">where<br> <I as <a class="trait" href="../../../combine/trait.StreamOnce.html" title="trait combine::StreamOnce">StreamOnce</a>>::<a class="type" href="../../../combine/trait.StreamOnce.html#associatedtype.Error" title="type combine::StreamOnce::Error">Error</a>: <a class="trait" href="../../../combine/trait.ParseError.html" title="trait combine::ParseError">ParseError</a><<I as <a class="trait" href="../../../combine/trait.StreamOnce.html" title="trait combine::StreamOnce">StreamOnce</a>>::<a class="type" href="../../../combine/trait.StreamOnce.html#associatedtype.Item" title="type combine::StreamOnce::Item">Item</a>, <I as <a class="trait" href="../../../combine/trait.StreamOnce.html" title="trait combine::StreamOnce">StreamOnce</a>>::<a class="type" href="../../../combine/trait.StreamOnce.html#associatedtype.Range" title="type combine::StreamOnce::Range">Range</a>, <I as <a class="trait" href="../../../combine/trait.StreamOnce.html" title="trait combine::StreamOnce">StreamOnce</a>>::<a class="type" href="../../../combine/trait.StreamOnce.html#associatedtype.Position" title="type combine::StreamOnce::Position">Position</a>>,<br> I: <a class="trait" href="../../../combine/trait.RangeStream.html" title="trait combine::RangeStream">RangeStream</a> + <a class="trait" href="../../../combine/stream/trait.FullRangeStream.html" title="trait combine::stream::FullRangeStream">FullRangeStream</a>,<br> I::<a class="type" href="../../../combine/trait.StreamOnce.html#associatedtype.Range" title="type combine::StreamOnce::Range">Range</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>> + <a class="trait" href="../../../combine/stream/trait.Range.html" title="trait combine::stream::Range">Range</a>, </span></pre><div class='docblock'><p>Zero-copy parser which reads a range of 0 or more tokens until <code>needle</code> is found.</p>
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<p>If <code>a</code>, 'b' or <code>c</code> is not found, the parser will return an error.</p>
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<p>Optimized variant of <a href="../range/fn.take_until_range.html"><code>take_until_range</code></a></p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">combine</span>::<span class="kw-2">*</span>;
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<span class="kw">use</span> <span class="ident">combine</span>::<span class="ident">parser</span>::<span class="ident">byte</span>::<span class="ident">take_until_bytes</span>;
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<span class="macro">assert_eq</span><span class="macro">!</span>(
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<span class="ident">take_until_bytes</span>(<span class="kw-2">&</span><span class="string">b"\r\n"</span>[..]).<span class="ident">easy_parse</span>(<span class="kw-2">&</span><span class="string">b"abc\r\n"</span>[..]).<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">x</span>, <span class="kw">_</span>)<span class="op">|</span> <span class="ident">x</span>),
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<span class="prelude-val">Ok</span>((<span class="kw-2">&</span><span class="string">b"abc"</span>[..]))
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);
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<span class="comment">// Also works on strings as long as `needle` is UTF-8</span>
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<span class="macro">assert_eq</span><span class="macro">!</span>(
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<span class="ident">take_until_bytes</span>(<span class="string">"\r\n"</span>.<span class="ident">as_bytes</span>()).<span class="ident">easy_parse</span>(<span class="string">"abc\r\n"</span>).<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">x</span>, <span class="kw">_</span>)<span class="op">|</span> <span class="ident">x</span>),
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<span class="prelude-val">Ok</span>((<span class="string">"abc"</span>))
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);</pre></div>
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