| <!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="An extension trait that is automatically implemented for any type implementing [`RngCore`] and [`CryptoRng`]."><meta name="keywords" content="rust, rustlang, rust-lang, CryptoRngCore"><title>CryptoRngCore in rand_core - 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" href="../normalize.css"><link rel="stylesheet" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../ayu.css" disabled><link rel="stylesheet" href="../dark.css" disabled><link rel="stylesheet" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../main.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="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="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><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></h2></nav><nav class="sidebar"><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"><a href="#">CryptoRngCore</a></h2><div class="sidebar-elems"><section><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.as_rngcore">as_rngcore</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In rand_core</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Trait <a href="index.html">rand_core</a>::<wbr><a class="trait" href="#">CryptoRngCore</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></h1><span class="out-of-band"><a class="srclink" href="../src/rand_core/lib.rs.html#229-232">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust trait"><code>pub trait CryptoRngCore: <a class="trait" href="trait.CryptoRng.html" title="trait rand_core::CryptoRng">CryptoRng</a> + <a class="trait" href="trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a> { |
| fn <a href="#tymethod.as_rngcore" class="fnname">as_rngcore</a>(&mut self) -> &mut dyn <a class="trait" href="trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for dyn <a class="trait" href="trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a></span><code class="content"><span class="where fmt-newline">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> for dyn <a class="trait" href="trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a></span></code></span></span></span></span>; |
| }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An extension trait that is automatically implemented for any type |
| implementing <a href="trait.RngCore.html" title="RngCore"><code>RngCore</code></a> and <a href="trait.CryptoRng.html" title="CryptoRng"><code>CryptoRng</code></a>.</p> |
| <p>It may be used as a trait object, and supports upcasting to <a href="trait.RngCore.html" title="RngCore"><code>RngCore</code></a> via |
| the <a href="trait.CryptoRngCore.html#tymethod.as_rngcore" title="CryptoRngCore::as_rngcore"><code>CryptoRngCore::as_rngcore</code></a> method.</p> |
| <h2 id="example"><a href="#example">Example</a></h2> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>rand_core::CryptoRngCore; |
| |
| <span class="attribute">#[allow(unused)] |
| </span><span class="kw">fn </span>make_token(rng: <span class="kw-2">&mut </span><span class="kw">dyn </span>CryptoRngCore) -> [u8; <span class="number">32</span>] { |
| <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u8</span>; <span class="number">32</span>]; |
| rng.fill_bytes(<span class="kw-2">&mut </span>buf); |
| buf |
| }</code></pre></div> |
| </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 method-toggle" open><summary><section id="tymethod.as_rngcore" class="method has-srclink"><a class="srclink rightside" href="../src/rand_core/lib.rs.html#231">source</a><h4 class="code-header">fn <a href="#tymethod.as_rngcore" class="fnname">as_rngcore</a>(&mut self) -> &mut dyn <a class="trait" href="trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for dyn <a class="trait" href="trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a></span><code class="content"><span class="where fmt-newline">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> for dyn <a class="trait" href="trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a></span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Upcast to an <a href="trait.RngCore.html" title="RngCore"><code>RngCore</code></a> trait object.</p> |
| </div></details></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div id="implementors-list"><section id="impl-CryptoRngCore-for-T" class="impl has-srclink"><a class="srclink rightside" href="../src/rand_core/lib.rs.html#234-238">source</a><a href="#impl-CryptoRngCore-for-T" class="anchor"></a><h3 class="code-header">impl<T: <a class="trait" href="trait.CryptoRng.html" title="trait rand_core::CryptoRng">CryptoRng</a> + <a class="trait" href="trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a>> <a class="trait" href="trait.CryptoRngCore.html" title="trait rand_core::CryptoRngCore">CryptoRngCore</a> for T</h3></section></div><script src="../implementors/rand_core/trait.CryptoRngCore.js" async></script></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="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
