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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 `Comparator` trait in crate `cranelift_bforest`."><meta name="keywords" content="rust, rustlang, rust-lang, Comparator"><title>cranelift_bforest::Comparator - 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><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[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><a href='../cranelift_bforest/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Trait Comparator</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.cmp">cmp</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.search">search</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-Comparator%3CK%3E-for-()">()</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>cranelift_bforest</a></p><script>window.sidebarCurrent = {name: 'Comparator', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></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"><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><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='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/cranelift_bforest/lib.rs.html#79-97' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='index.html'>cranelift_bforest</a>::<wbr><a class="trait" href=''>Comparator</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait Comparator<K> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a>, </span>{
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fn <a href='#tymethod.cmp' class='fnname'>cmp</a>(&self, a: K, b: K) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>;
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fn <a href='#method.search' class='fnname'>search</a>(&self, k: K, s: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[K]</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>> { ... }
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}</pre></div><div class='docblock'><p>Key comparator.</p>
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<p>Keys don't need to implement <code>Ord</code>. They are compared using a comparator object which
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provides a context for comparison.</p>
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</div>
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<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.cmp' class='method'><code id='cmp.v'>fn <a href='#tymethod.cmp' class='fnname'>cmp</a>(&self, a: K, b: K) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a></code></h3><div class='docblock'><p>Compare keys <code>a</code> and <code>b</code>.</p>
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<p>This relation must provide a total ordering or the key space.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<h2 id='provided-methods' class='small-section-header'>Provided methods<a href='#provided-methods' class='anchor'></a></h2><div class='methods'><h3 id='method.search' class='method'><code id='search.v'>fn <a href='#method.search' class='fnname'>search</a>(&self, k: K, s: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[K]</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>></code></h3><div class='docblock'><p>Binary search for <code>k</code> in an ordered slice.</p>
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<p>Assume that <code>s</code> is already sorted according to this ordering, search for the key <code>k</code>.</p>
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<p>Returns <code>Ok(idx)</code> if <code>k</code> was found in the slice or <code>Err(idx)</code> with the position where it
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should be inserted to preserve the ordering.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<h2 id='foreign-impls' class='small-section-header'>Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a></h2><h3 id='impl-Comparator%3CK%3E-for-()' class='impl'><code class='in-band'>impl<K> <a class="trait" href="../cranelift_bforest/trait.Comparator.html" title="trait cranelift_bforest::Comparator">Comparator</a><K> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a>, </span></code><a href='#impl-Comparator%3CK%3E-for-()' class='anchor'></a><a class='srclink' href='../src/cranelift_bforest/lib.rs.html#100-107' title='goto source code'>[src]</a></h3><div class='docblock'><p>Trivial comparator that doesn't actually provide any context.</p>
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</div><div class='impl-items'><h4 id='method.cmp' class="method hidden"><code id='cmp.v-1'>fn <a href='#method.cmp' class='fnname'>cmp</a>(&self, a: K, b: K) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a></code><a class='srclink' href='../src/cranelift_bforest/lib.rs.html#104-106' title='goto source code'>[src]</a></h4></div><span class='loading-content'>Loading content...</span>
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<h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'></div><span class='loading-content'>Loading content...</span><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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