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14 lines
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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="Key equivalence trait."><meta name="keywords" content="rust, rustlang, rust-lang, Equivalent"><title>Equivalent in indexmap - 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" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../dark.css" disabled><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script src="../crates.js"></script><script defer src="../main.js"></script>
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</a><h2 class="location">Trait Equivalent</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><div class="sidebar-links"><a href="#tymethod.equivalent">equivalent</a></div><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="index.html">indexmap</a></h2><div id="sidebar-vars" data-name="Equivalent" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../indexmap/index.html"><img class="rust-logo" src="../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><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><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="index.html">indexmap</a>::<wbr><a class="trait" href="#">Equivalent</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></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/indexmap/equivalent.rs.html#13-16" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust trait"><code>pub trait Equivalent<K: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> {
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fn <a href="#tymethod.equivalent" class="fnname">equivalent</a>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&</a>K) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a>;
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}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Key equivalence trait.</p>
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<p>This trait allows hash table lookup to be customized.
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It has one blanket implementation that uses the regular <code>Borrow</code> solution,
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just like <code>HashMap</code> and <code>BTreeMap</code> do, so that you can pass <code>&str</code> to lookup
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into a map with <code>String</code> keys and so on.</p>
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<h2 id="contract" class="section-header"><a href="#contract">Contract</a></h2>
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<p>The implementor <strong>must</strong> hash like <code>K</code>, if it is hashable.</p>
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</div></details><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="tymethod.equivalent" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/indexmap/equivalent.rs.html#15" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.equivalent" class="fnname">equivalent</a>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&</a>K) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></summary><div class="docblock"><p>Compare self to <code>key</code> and return <code>true</code> if they are equal.</p>
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</div></details></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><div id="impl-Equivalent%3CK%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/indexmap/equivalent.rs.html#18-27" title="goto source code">[src]</a></div><a href="#impl-Equivalent%3CK%3E" class="anchor"></a><h3 class="code-header in-band">impl<Q: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, K: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="trait" href="trait.Equivalent.html" title="trait indexmap::Equivalent">Equivalent</a><K> for Q <span class="where fmt-newline">where<br> Q: <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a>,<br> K: <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>, </span></h3></div></div><script type="text/javascript" src="../implementors/indexmap/trait.Equivalent.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="indexmap" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.59.0 (9d1b2106e 2022-02-23)" ></div>
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