| <!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="Percent-decode the given bytes."><meta name="keywords" content="rust, rustlang, rust-lang, percent_decode"><title>percent_decode in percent_encoding - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../normalize.css"><link rel="stylesheet" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../ayu.css" disabled><link rel="stylesheet" href="../dark.css" disabled><link rel="stylesheet" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../main.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../favicon.svg"></head><body class="rustdoc fn"><!--[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">☰</button><a class="sidebar-logo" href="../percent_encoding/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../percent_encoding/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2><a href="index.html">In percent_encoding</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Function <a href="index.html">percent_encoding</a>::<wbr><a class="fn" href="#">percent_decode</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../src/percent_encoding/lib.rs.html#346-350">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust fn"><code>pub fn percent_decode(input: &[<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>]) -> <a class="struct" href="struct.PercentDecode.html" title="struct percent_encoding::PercentDecode">PercentDecode</a><'_><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.PercentDecode.html" title="struct percent_encoding::PercentDecode">PercentDecode</a><'a></span><code class="content"><span class="where fmt-newline">impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="struct.PercentDecode.html" title="struct percent_encoding::PercentDecode">PercentDecode</a><'a></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" class="associatedtype">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>;</span></code></span></span></span></span></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Percent-decode the given bytes.</p> |
| <p><a href="https://url.spec.whatwg.org/#percent-decode">https://url.spec.whatwg.org/#percent-decode</a></p> |
| <p>Any sequence of <code>%</code> followed by two hexadecimal digits is decoded. |
| The return type:</p> |
| <ul> |
| <li>Implements <code>Into<Cow<u8>></code> borrowing <code>input</code> when it contains no percent-encoded sequence,</li> |
| <li>Implements <code>Iterator<Item = u8></code> and therefore has a <code>.collect::<Vec<u8>>()</code> method,</li> |
| <li>Has <code>decode_utf8()</code> and <code>decode_utf8_lossy()</code> methods.</li> |
| </ul> |
| <h2 id="examples"><a href="#examples">Examples</a></h2> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>percent_encoding::percent_decode; |
| |
| <span class="macro">assert_eq!</span>(percent_decode(<span class="string">b"foo%20bar%3f"</span>).decode_utf8().unwrap(), <span class="string">"foo bar?"</span>);</code></pre></div> |
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