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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 `percent_encoding` crate."><meta name="keywords" content="rust, rustlang, rust-lang, percent_encoding"><title>percent_encoding - 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></head><body class="rustdoc mod"><!--[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><p class='location'>Crate percent_encoding</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#macros">Macros</a></li><li><a href="#structs">Structs</a></li><li><a href="#traits">Traits</a></li><li><a href="#functions">Functions</a></li></ul></div><p class='location'></p><script>window.sidebarCurrent = {name: 'percent_encoding', ty: 'mod', relpath: '../'};</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"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><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='in-band'>Crate <a class="mod" href=''>percent_encoding</a></span><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/percent_encoding/lib.rs.html#9-440' title='goto source code'>[src]</a></span></h1><div class='docblock'><p>URLs use special chacters to indicate the parts of the request. For example, a forward slash
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indicates a path. In order for that charcter to exist outside of a path separator, that
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charcter would need to be encoded.</p>
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<p>Percent encoding replaces reserved charcters with the <code>%</code> escape charcter followed by hexidecimal
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ASCII representaton. For non-ASCII charcters that are percent encoded, a UTF-8 byte sequence
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becomes percent encoded. A simple example can be seen when the space literal is replaced with
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<code>%20</code>.</p>
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<p>Percent encoding is further complicated by the fact that different parts of an URL have
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different encoding requirements. In order to support the variety of encoding requirements,
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<code>url::percent_encoding</code> includes different <em>encode sets</em>.
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See <a href="https://url.spec.whatwg.org/#percent-encoded-bytes">URL Standard</a> for details.</p>
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<p>This module provides some <code>*_ENCODE_SET</code> constants.
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If a different set is required, it can be created with
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the <a href="../macro.define_encode_set!.html"><code>define_encode_set!</code></a> macro.</p>
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<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">url</span>::<span class="ident">percent_encoding</span>::{<span class="ident">utf8_percent_encode</span>, <span class="ident">DEFAULT_ENCODE_SET</span>};
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">utf8_percent_encode</span>(<span class="string">"foo bar?"</span>, <span class="ident">DEFAULT_ENCODE_SET</span>).<span class="ident">to_string</span>(), <span class="string">"foo%20bar%3F"</span>);</pre>
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</div><h2 id='macros' class='section-header'><a href="#macros">Macros</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="macro" href="macro.define_encode_set.html"
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title='macro percent_encoding::define_encode_set'>define_encode_set</a></td>
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<td class='docblock-short'>
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<p>Define a new struct
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that implements the <a href="percent_encoding/trait.EncodeSet.html"><code>EncodeSet</code></a> trait,
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for use in <a href="percent_encoding/fn.percent_encode.html"><code>percent_decode()</code></a>
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and related functions.</p>
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</td>
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</tr></table><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.DEFAULT_ENCODE_SET.html"
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title='struct percent_encoding::DEFAULT_ENCODE_SET'>DEFAULT_ENCODE_SET</a></td>
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<td class='docblock-short'>
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<p>This encode set is used for path components.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.PATH_SEGMENT_ENCODE_SET.html"
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title='struct percent_encoding::PATH_SEGMENT_ENCODE_SET'>PATH_SEGMENT_ENCODE_SET</a></td>
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<td class='docblock-short'>
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<p>This encode set is used for on '/'-separated path segment</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.PercentDecode.html"
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title='struct percent_encoding::PercentDecode'>PercentDecode</a></td>
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<td class='docblock-short'>
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<p>The return type of <code>percent_decode()</code>.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.PercentEncode.html"
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title='struct percent_encoding::PercentEncode'>PercentEncode</a></td>
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<td class='docblock-short'>
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<p>The return type of <code>percent_encode()</code> and <code>utf8_percent_encode()</code>.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.QUERY_ENCODE_SET.html"
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title='struct percent_encoding::QUERY_ENCODE_SET'>QUERY_ENCODE_SET</a></td>
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<td class='docblock-short'>
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<p>This encode set is used in the URL parser for query strings.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.SIMPLE_ENCODE_SET.html"
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title='struct percent_encoding::SIMPLE_ENCODE_SET'>SIMPLE_ENCODE_SET</a></td>
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<td class='docblock-short'>
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<p>This encode set is used for the path of cannot-be-a-base URLs.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.USERINFO_ENCODE_SET.html"
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title='struct percent_encoding::USERINFO_ENCODE_SET'>USERINFO_ENCODE_SET</a></td>
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<td class='docblock-short'>
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<p>This encode set is used for username and password.</p>
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</td>
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</tr></table><h2 id='traits' class='section-header'><a href="#traits">Traits</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="trait" href="trait.EncodeSet.html"
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title='trait percent_encoding::EncodeSet'>EncodeSet</a></td>
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<td class='docblock-short'>
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<p>Represents a set of characters / bytes that should be percent-encoded.</p>
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</td>
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</tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="fn" href="fn.percent_decode.html"
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title='fn percent_encoding::percent_decode'>percent_decode</a></td>
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<td class='docblock-short'>
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<p>Percent-decode the given bytes.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="fn" href="fn.percent_encode.html"
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title='fn percent_encoding::percent_encode'>percent_encode</a></td>
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<td class='docblock-short'>
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<p>Percent-encode the given bytes with the given encode set.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="fn" href="fn.percent_encode_byte.html"
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title='fn percent_encoding::percent_encode_byte'>percent_encode_byte</a></td>
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<td class='docblock-short'>
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<p>Return the percent-encoding of the given bytes.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="fn" href="fn.utf8_percent_encode.html"
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title='fn percent_encoding::utf8_percent_encode'>utf8_percent_encode</a></td>
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<td class='docblock-short'>
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<p>Percent-encode the UTF-8 encoding of the given string.</p>
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</td>
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</tr></table></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../";window.currentCrate = "percent_encoding";</script><script src="../aliases.js"></script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
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