| <!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 trait for RNGs which do not generate random numbers individually, but in blocks (typically `[u32; N]`). This technique is commonly used by cryptographic RNGs to improve performance."><meta name="keywords" content="rust, rustlang, rust-lang, BlockRngCore"><title>BlockRngCore in rand_core::block - 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> |
| <noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="shortcut icon" href="https://www.rust-lang.org/favicon.ico"></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]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a class="sidebar-logo" href="../../rand_core/index.html"><div class="logo-container"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></div> |
| </a><h2 class="location">Trait BlockRngCore</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#associated-types">Associated Types</a></h3><div class="sidebar-links"><a href="#associatedtype.Item">Item</a><a href="#associatedtype.Results">Results</a></div><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><div class="sidebar-links"><a href="#tymethod.generate">generate</a></div><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="../index.html">rand_core</a>::<wbr><a href="index.html">block</a></h2><div id="sidebar-vars" data-name="BlockRngCore" 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="../../rand_core/index.html"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.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> |
| <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"><div class="main-heading"> |
| <h1 class="fqn"><span class="in-band">Trait <a href="../index.html">rand_core</a>::<wbr><a href="index.html">block</a>::<wbr><a class="trait" href="#">BlockRngCore</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></h1><span class="out-of-band"> |
| <a class="srclink" href="../../src/rand_core/block.rs.html#68-78" title="goto source code">source</a> · |
| <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div> |
| <div class="docblock item-decl"><pre class="rust trait"><code>pub trait BlockRngCore { |
| type <a href="#associatedtype.Item" class="associatedtype">Item</a>; |
| type <a href="#associatedtype.Results" class="associatedtype">Results</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>Self::<a class="associatedtype" href="trait.BlockRngCore.html#associatedtype.Item" title="type rand_core::block::BlockRngCore::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsMut.html" title="trait core::convert::AsMut">AsMut</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>Self::<a class="associatedtype" href="trait.BlockRngCore.html#associatedtype.Item" title="type rand_core::block::BlockRngCore::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a>; |
| fn <a href="#tymethod.generate" class="fnname">generate</a>(&mut self, results: &mut Self::<a class="associatedtype" href="trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>); |
| }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A trait for RNGs which do not generate random numbers individually, but in |
| blocks (typically <code>[u32; N]</code>). This technique is commonly used by |
| cryptographic RNGs to improve performance.</p> |
| <p>See the <a href="index.html" title="crate::block">module</a> documentation for details.</p> |
| </div></details><h2 id="associated-types" class="small-section-header">Associated Types<a href="#associated-types" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Item" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/rand_core/block.rs.html#70" title="goto source code">source</a></div><h4 class="code-header">type <a href="#associatedtype.Item" class="associatedtype">Item</a></h4></div></summary><div class="docblock"><p>Results element type, e.g. <code>u32</code>.</p> |
| </div></details><details class="rustdoc-toggle" open><summary><div id="associatedtype.Results" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/rand_core/block.rs.html#74" title="goto source code">source</a></div><h4 class="code-header">type <a href="#associatedtype.Results" class="associatedtype">Results</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>Self::<a class="associatedtype" href="trait.BlockRngCore.html#associatedtype.Item" title="type rand_core::block::BlockRngCore::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsMut.html" title="trait core::convert::AsMut">AsMut</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>Self::<a class="associatedtype" href="trait.BlockRngCore.html#associatedtype.Item" title="type rand_core::block::BlockRngCore::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a></h4></div></summary><div class="docblock"><p>Results type. This is the ‘block’ an RNG implementing <code>BlockRngCore</code> |
| generates, which will usually be an array like <code>[u32; 16]</code>.</p> |
| </div></details></div><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.generate" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/rand_core/block.rs.html#77" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.generate" class="fnname">generate</a>(&mut self, results: &mut Self::<a class="associatedtype" href="trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>)</h4></div></summary><div class="docblock"><p>Generate a new block of results.</p> |
| </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><script type="text/javascript" src="../../implementors/rand_core/block/trait.BlockRngCore.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_core" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (1bd4fdc94 2022-01-12)" ></div> |
| </body></html> |
