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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="httparse"><title>httparse - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="httparse" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="../crates.js"></script><script defer src="../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../httparse/index.html">httparse</a><span class="version">1.8.0</span></h2></div><div class="sidebar-elems"><ul class="block">
<li><a id="all-types" href="all.html">All Items</a></li></ul><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#constants">Constants</a></li><li><a href="#functions">Functions</a></li><li><a href="#types">Type Aliases</a></li></ul></section></div></nav><div class="sidebar-resizer"></div>
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../httparse/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Crate <a class="mod" href="#">httparse</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/httparse/lib.rs.html#1-2236">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><h2 id="httparse"><a href="#httparse">httparse</a></h2>
<p>A push library for parsing HTTP/1.x requests and responses.</p>
<p>The focus is on speed and safety. Unsafe code is used to keep parsing fast,
but unsafety is contained in a submodule, with invariants enforced. The
parsing internals use an <code>Iterator</code> instead of direct indexing, while
skipping bounds checks.</p>
<p>With Rust 1.27.0 or later, support for SIMD is enabled automatically.
If building an executable to be run on multiple platforms, and thus
not passing <code>target_feature</code> or <code>target_cpu</code> flags to the compiler,
runtime detection can still detect SSE4.2 or AVX2 support to provide
massive wins.</p>
<p>If compiling for a specific target, remembering to include
<code>-C target_cpu=native</code> allows the detection to become compile time checks,
making it <em>even</em> faster.</p>
</div></details><h2 id="structs" class="section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.Header.html" title="struct httparse::Header">Header</a></div><div class="desc docblock-short">Represents a parsed header.</div></li><li><div class="item-name"><a class="struct" href="struct.InvalidChunkSize.html" title="struct httparse::InvalidChunkSize">InvalidChunkSize</a></div><div class="desc docblock-short">An error in parsing a chunk size.</div></li><li><div class="item-name"><a class="struct" href="struct.ParserConfig.html" title="struct httparse::ParserConfig">ParserConfig</a></div><div class="desc docblock-short">Parser configuration.</div></li><li><div class="item-name"><a class="struct" href="struct.Request.html" title="struct httparse::Request">Request</a></div><div class="desc docblock-short">A parsed Request.</div></li><li><div class="item-name"><a class="struct" href="struct.Response.html" title="struct httparse::Response">Response</a></div><div class="desc docblock-short">A parsed Response.</div></li></ul><h2 id="enums" class="section-header"><a href="#enums">Enums</a></h2><ul class="item-table"><li><div class="item-name"><a class="enum" href="enum.Error.html" title="enum httparse::Error">Error</a></div><div class="desc docblock-short">An error in parsing.</div></li><li><div class="item-name"><a class="enum" href="enum.Status.html" title="enum httparse::Status">Status</a></div><div class="desc docblock-short">The result of a successful parse pass.</div></li></ul><h2 id="constants" class="section-header"><a href="#constants">Constants</a></h2><ul class="item-table"><li><div class="item-name"><a class="constant" href="constant.EMPTY_HEADER.html" title="constant httparse::EMPTY_HEADER">EMPTY_HEADER</a></div><div class="desc docblock-short">An empty header, useful for constructing a <code>Header</code> array to pass in for
parsing.</div></li></ul><h2 id="functions" class="section-header"><a href="#functions">Functions</a></h2><ul class="item-table"><li><div class="item-name"><a class="fn" href="fn.parse_chunk_size.html" title="fn httparse::parse_chunk_size">parse_chunk_size</a></div><div class="desc docblock-short">Parse a buffer of bytes as a chunk size.</div></li><li><div class="item-name"><a class="fn" href="fn.parse_headers.html" title="fn httparse::parse_headers">parse_headers</a></div><div class="desc docblock-short">Parse a buffer of bytes as headers.</div></li></ul><h2 id="types" class="section-header"><a href="#types">Type Aliases</a></h2><ul class="item-table"><li><div class="item-name"><a class="type" href="type.Result.html" title="type httparse::Result">Result</a></div><div class="desc docblock-short">A Result of any parsing action.</div></li></ul></section></div></main></body></html>