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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="Percent-decode the given bytes."><title>percent_decode in percent_encoding - 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><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="percent_encoding" 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" ><script src="../static.files/storage-118b08c4c78b968e.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-df360f571f6edeae.css"></noscript><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 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" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../percent_encoding/index.html">percent_encoding</a><span class="version">2.3.1</span></h2></div><div class="sidebar-elems"></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Function <a href="index.html">percent_encoding</a>::<wbr><a class="fn" href="#">percent_decode</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../src/percent_encoding/lib.rs.html#355-359">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub fn percent_decode(input: &amp;[<a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.u8.html">u8</a>]) -&gt; <a class="struct" href="struct.PercentDecode.html" title="struct percent_encoding::PercentDecode">PercentDecode</a>&lt;'_&gt; <a href="#" class="tooltip" data-notable-ty="PercentDecode&lt;&#39;_&gt;">ⓘ</a></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Percent-decode the given bytes.</p>
deploy: 22498719e1dbb1ddc4a5584a4fcba2f337ccb991
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<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&lt;Cow&lt;u8&gt;&gt;</code> borrowing <code>input</code> when it contains no percent-encoded sequence,</li>
<li>Implements <code>Iterator&lt;Item = u8&gt;</code> and therefore has a <code>.collect::&lt;Vec&lt;u8&gt;&gt;()</code> method,</li>
<li>Has <code>decode_utf8()</code> and <code>decode_utf8_lossy()</code> methods.</li>
</ul>
deploy: 39fc7f2b9fd58ce67982b1c71c788f3b031ae3df
2024-03-27 11:12:16 +00:00
<h2 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h2>
deploy: 22498719e1dbb1ddc4a5584a4fcba2f337ccb991
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<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>
deploy: b3bd34a9bbae9c73eb2d66a212d6921bd7499b69
2024-07-26 09:42:18 +00:00
</div></details><script type="text/json" id="notable-traits-data">{"PercentDecode<'_>":"<h3>Notable traits for <code><a class=\"struct\" href=\"struct.PercentDecode.html\" title=\"struct percent_encoding::PercentDecode\">PercentDecode</a>&lt;'a&gt;</code></h3><pre><code><div class=\"where\">impl&lt;'a&gt; <a class=\"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> for <a class=\"struct\" href=\"struct.PercentDecode.html\" title=\"struct percent_encoding::PercentDecode\">PercentDecode</a>&lt;'a&gt;</div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.80.0/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item\" class=\"associatedtype\">Item</a> = <a class=\"primitive\" href=\"https://doc.rust-lang.org/1.80.0/std/primitive.u8.html\">u8</a>;</div>"}</script></section></div></main></body></html>
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