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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 `IntoParallelRefIterator` trait in crate `rayon`."><meta name="keywords" content="rust, rustlang, rust-lang, IntoParallelRefIterator"><title>rayon::iter::IntoParallelRefIterator - 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='../../rayon/index.html'><div class='logo-container'><img src='../../rust-logo.png' alt='logo'></div></a><p class='location'>Trait IntoParallelRefIterator</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.Iter">Iter</a><a href="#associatedtype.Item">Item</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.par_iter">par_iter</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>rayon</a>::<wbr><a href='index.html'>iter</a></p><script>window.sidebarCurrent = {name: 'IntoParallelRefIterator', 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/rayon/iter/mod.rs.html#229-253' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='../index.html'>rayon</a>::<wbr><a href='index.html'>iter</a>::<wbr><a class="trait" href=''>IntoParallelRefIterator</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait IntoParallelRefIterator<'data> {
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type <a href='#associatedtype.Iter' class="type">Iter</a>: <a class="trait" href="../../rayon/iter/trait.ParallelIterator.html" title="trait rayon::iter::ParallelIterator">ParallelIterator</a><Item = Self::<a class="type" href="../../rayon/iter/trait.IntoParallelRefIterator.html#associatedtype.Item" title="type rayon::iter::IntoParallelRefIterator::Item">Item</a>>;
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type <a href='#associatedtype.Item' class="type">Item</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'data;
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fn <a href='#tymethod.par_iter' class='fnname'>par_iter</a>(&'data self) -> Self::<a class="type" href="../../rayon/iter/trait.IntoParallelRefIterator.html#associatedtype.Iter" title="type rayon::iter::IntoParallelRefIterator::Iter">Iter</a>;
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}</pre></div><div class='docblock'><p><code>IntoParallelRefIterator</code> implements the conversion to a
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<a href="trait.ParallelIterator.html"><code>ParallelIterator</code></a>, providing shared references to the data.</p>
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<p>This is a parallel version of the <code>iter()</code> method
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defined by various collections.</p>
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<p>This trait is automatically implemented
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<code>for I where &I: IntoParallelIterator</code>. In most cases, users
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will want to implement <a href="trait.IntoParallelIterator.html"><code>IntoParallelIterator</code></a> rather than implement
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this trait directly.</p>
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</div>
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<h2 id='associated-types' class='small-section-header'>Associated Types<a href='#associated-types' class='anchor'></a></h2><div class='methods'><h3 id='associatedtype.Iter' class='method'><code id='Iter.t'>type <a href='#associatedtype.Iter' class="type">Iter</a>: <a class="trait" href="../../rayon/iter/trait.ParallelIterator.html" title="trait rayon::iter::ParallelIterator">ParallelIterator</a><Item = Self::<a class="type" href="../../rayon/iter/trait.IntoParallelRefIterator.html#associatedtype.Item" title="type rayon::iter::IntoParallelRefIterator::Item">Item</a>></code></h3><div class='docblock'><p>The type of the parallel iterator that will be returned.</p>
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</div><h3 id='associatedtype.Item' class='method'><code id='Item.t'>type <a href='#associatedtype.Item' class="type">Item</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'data</code></h3><div class='docblock'><p>The type of item that the parallel iterator will produce.
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This will typically be an <code>&'data T</code> reference type.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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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.par_iter' class='method'><code id='par_iter.v'>fn <a href='#tymethod.par_iter' class='fnname'>par_iter</a>(&'data self) -> Self::<a class="type" href="../../rayon/iter/trait.IntoParallelRefIterator.html#associatedtype.Iter" title="type rayon::iter::IntoParallelRefIterator::Iter">Iter</a></code></h3><div class='docblock'><p>Converts <code>self</code> into a parallel iterator.</p>
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<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">rayon</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
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<span class="kw">let</span> <span class="ident">v</span>: <span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">></span> <span class="op">=</span> (<span class="number">0</span>..<span class="number">100</span>).<span class="ident">collect</span>();
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>.<span class="ident">par_iter</span>().<span class="ident">sum</span>::<span class="op"><</span><span class="ident">i32</span><span class="op">></span>(), <span class="number">100</span> <span class="op">*</span> <span class="number">99</span> <span class="op">/</span> <span class="number">2</span>);
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<span class="comment">// `v.par_iter()` is shorthand for `(&v).into_par_iter()`,</span>
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<span class="comment">// producing the exact same references.</span>
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">v</span>.<span class="ident">par_iter</span>().<span class="ident">zip</span>(<span class="kw-2">&</span><span class="ident">v</span>)
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.<span class="ident">all</span>(<span class="op">|</span>(<span class="ident">a</span>, <span class="ident">b</span>)<span class="op">|</span> <span class="ident">std</span>::<span class="ident">ptr</span>::<span class="ident">eq</span>(<span class="ident">a</span>, <span class="ident">b</span>)));</pre></div>
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</div></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'><h3 id='impl-IntoParallelRefIterator%3C%27data%3E' class='impl'><code class='in-band'>impl<'data, I: 'data + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> IntoParallelRefIterator<'data> for I <span class="where fmt-newline">where<br> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'data </a>I: <a class="trait" href="../../rayon/iter/trait.IntoParallelIterator.html" title="trait rayon::iter::IntoParallelIterator">IntoParallelIterator</a>, </span></code><a href='#impl-IntoParallelRefIterator%3C%27data%3E' class='anchor'></a><a class='srclink' href='../../src/rayon/iter/mod.rs.html#255-265' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Iter-1' class="type"><code id='Iter.t-1'>type <a href='#associatedtype.Iter-1' class="type">Iter</a> = <<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'data </a>I as <a class="trait" href="../../rayon/iter/trait.IntoParallelIterator.html" title="trait rayon::iter::IntoParallelIterator">IntoParallelIterator</a>>::<a class="type" href="../../rayon/iter/trait.IntoParallelIterator.html#associatedtype.Iter" title="type rayon::iter::IntoParallelIterator::Iter">Iter</a></code></h4><h4 id='associatedtype.Item-1' class="type"><code id='Item.t-1'>type <a href='#associatedtype.Item-1' class="type">Item</a> = <<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'data </a>I as <a class="trait" href="../../rayon/iter/trait.IntoParallelIterator.html" title="trait rayon::iter::IntoParallelIterator">IntoParallelIterator</a>>::<a class="type" href="../../rayon/iter/trait.IntoParallelIterator.html#associatedtype.Item" title="type rayon::iter::IntoParallelIterator::Item">Item</a></code></h4><h4 id='method.par_iter' class="method hidden"><code id='par_iter.v-1'>fn <a href='#method.par_iter' class='fnname'>par_iter</a>(&'data self) -> Self::<a class="type" href="../../rayon/iter/trait.IntoParallelRefIterator.html#associatedtype.Iter" title="type rayon::iter::IntoParallelRefIterator::Iter">Iter</a></code><a class='srclink' href='../../src/rayon/iter/mod.rs.html#262-264' title='goto source code'>[src]</a></h4></div></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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