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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="A variant on `Producer` which does not know its exact length or cannot represent it in a `usize`. These producers act like ordinary producers except that they cannot be told to split at a particular point. Instead, you just ask them to split ‘somewhere’."><title>UnindexedProducer in rayon::iter::plumbing - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="rayon" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">UnindexedProducer</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../rayon/index.html">rayon</a><span class="version">1.11.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Unindexed<wbr>Producer</a></h2><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Item" title="Item">Item</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.fold_with" title="fold_with">fold_with</a></li><li><a href="#tymethod.split" title="split">split</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In rayon::<wbr>iter::<wbr>plumbing</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">rayon</a>::<wbr><a href="../index.html">iter</a>::<wbr><a href="index.html">plumbing</a></div><h1>Trait <span class="trait">Unindexed<wbr>Producer</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/rayon/iter/plumbing/mod.rs.html#231-243">Source</a> </span></div><pre class="rust item-decl"><code>pub trait UnindexedProducer: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
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type <a href="#associatedtype.Item" class="associatedtype">Item</a>;
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// Required methods
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fn <a href="#tymethod.split" class="fn">split</a>(self) -> (Self, <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>);
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<span class="item-spacer"></span> fn <a href="#tymethod.fold_with" class="fn">fold_with</a><F>(self, folder: F) -> F
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<span class="where">where F: <a class="trait" href="trait.Folder.html" title="trait rayon::iter::plumbing::Folder">Folder</a><Self::<a class="associatedtype" href="trait.UnindexedProducer.html#associatedtype.Item" title="type rayon::iter::plumbing::UnindexedProducer::Item">Item</a>></span>;
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A variant on <code>Producer</code> which does not know its exact length or
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cannot represent it in a <code>usize</code>. These producers act like
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ordinary producers except that they cannot be told to split at a
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particular point. Instead, you just ask them to split ‘somewhere’.</p>
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<p>(In principle, <code>Producer</code> could extend this trait; however, it
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does not because to do so would require producers to carry their
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own length with them.)</p>
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</div></details><h2 id="required-associated-types" class="section-header">Required Associated Types<a href="#required-associated-types" class="anchor">§</a></h2><div class="methods"><details class="toggle" open><summary><section id="associatedtype.Item" class="method"><a class="src rightside" href="../../../src/rayon/iter/plumbing/mod.rs.html#233">Source</a><h4 class="code-header">type <a href="#associatedtype.Item" class="associatedtype">Item</a></h4></section></summary><div class="docblock"><p>The type of item returned by this producer.</p>
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</div></details></div><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.split" class="method"><a class="src rightside" href="../../../src/rayon/iter/plumbing/mod.rs.html#236">Source</a><h4 class="code-header">fn <a href="#tymethod.split" class="fn">split</a>(self) -> (Self, <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>)</h4></section></summary><div class="docblock"><p>Split midway into a new producer if possible, otherwise return <code>None</code>.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.fold_with" class="method"><a class="src rightside" href="../../../src/rayon/iter/plumbing/mod.rs.html#240-242">Source</a><h4 class="code-header">fn <a href="#tymethod.fold_with" class="fn">fold_with</a><F>(self, folder: F) -> F<div class="where">where
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F: <a class="trait" href="trait.Folder.html" title="trait rayon::iter::plumbing::Folder">Folder</a><Self::<a class="associatedtype" href="trait.UnindexedProducer.html#associatedtype.Item" title="type rayon::iter::plumbing::UnindexedProducer::Item">Item</a>>,</div></h4></section></summary><div class="docblock"><p>Iterate the producer, feeding each element to <code>folder</code>, and
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stop when the folder is full (or all elements have been consumed).</p>
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</div></details></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.93.1/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"></div><script src="../../../trait.impl/rayon/iter/plumbing/trait.UnindexedProducer.js" async></script></section></div></main></body></html> |