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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 wrapper around any PRNG that implements `BlockRngCore`, that adds the ability to reseed it."><title>ReseedingRng in rand::rngs::adapter - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.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" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-42caa33d.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="rand" data-themes="" data-resource-suffix="" data-rustdoc-version="1.84.1 (e71f9a9a9 2025-01-27)" data-channel="1.84.1" data-search-js="search-92e6798f.js" data-settings-js="settings-0f613d39.js" ><script src="../../../static.files/storage-59e33391.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-893ab5e7.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc struct"><!--[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" title="show sidebar"></button><a class="logo-container" href="../../../rand/index.html"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../../rand/index.html"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><h2><a href="../../../rand/index.html">rand</a><span class="version">0.8.5</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Reseeding<wbr>Rng</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#when-should-reseeding-after-a-fixed-number-of-generated-bytes-be-used" title="When should reseeding after a fixed number of generated bytes be used?">When should reseeding after a fixed number of generated bytes be used?</a></li><li><a href="#limitations" title="Limitations">Limitations</a></li><li><a href="#error-handling" title="Error handling">Error handling</a></li><li><a href="#example" title="Example">Example</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.new" title="new">new</a></li><li><a href="#method.reseed" title="reseed">reseed</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-ReseedingRng%3CR,+Rsdr%3E" title="Clone">Clone</a></li><li><a href="#impl-CryptoRng-for-ReseedingRng%3CR,+Rsdr%3E" title="CryptoRng">CryptoRng</a></li><li><a href="#impl-Debug-for-ReseedingRng%3CR,+Rsdr%3E" title="Debug">Debug</a></li><li><a href="#impl-RngCore-for-ReseedingRng%3CR,+Rsdr%3E" title="RngCore">RngCore</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-ReseedingRng%3CR,+Rsdr%3E" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-ReseedingRng%3CR,+Rsdr%3E" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send-for-ReseedingRng%3CR,+Rsdr%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-ReseedingRng%3CR,+Rsdr%3E" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-ReseedingRng%3CR,+Rsdr%3E" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-ReseedingRng%3CR,+Rsdr%3E" title="UnwindSafe">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow<T>">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut<T>">BorrowMut<T></a></li><li><a href="#impl-CloneToUninit-for-T" title="CloneToUninit">CloneToUninit</a></li><li><a href="#impl-CryptoRngCore-for-T" title="CryptoRngCore">CryptoRngCore</a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-Rng-for-R" title="Rng">Rng</a></li><li><a href="#impl-ToOwned-for-T" title="ToOwned">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom<U>">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto<U>">TryInto<U></a></li><li><a href="#impl-VZip%3CV%3E-for-T" title="VZip<V>">VZip<V></a></li></ul></section><div id="rustdoc-modnav"><h2><a href="index.html">In rand::<wbr>rngs::<wbr>adapter</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="../../index.html">rand</a>::<wbr><a href="../index.html">rngs</a>::<wbr><a href="index.html">adapter</a></span><h1>Struct <span class="struct">ReseedingRng</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/rand/rngs/adapter/reseeding.rs.html#85-88">Source</a> </span></div><pre class="rust item-decl"><code>pub struct ReseedingRng<R, Rsdr>(<span class="comment">/* private fields */</span>)
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<span class="where">where
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R: <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a> + <a class="trait" href="../../trait.SeedableRng.html" title="trait rand::SeedableRng">SeedableRng</a>,
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Rsdr: <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a></span>;</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A wrapper around any PRNG that implements <a href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore"><code>BlockRngCore</code></a>, that adds the
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ability to reseed it.</p>
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<p><code>ReseedingRng</code> reseeds the underlying PRNG in the following cases:</p>
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<ul>
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<li>On a manual call to <a href="struct.ReseedingRng.html#method.reseed" title="method rand::rngs::adapter::ReseedingRng::reseed"><code>reseed()</code></a>.</li>
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<li>After <code>clone()</code>, the clone will be reseeded on first use.</li>
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<li>When a process is forked on UNIX, the RNGs in both the parent and child
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processes will be reseeded just before the next call to
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<a href="../../../rand_core/block/trait.BlockRngCore.html#tymethod.generate" title="method rand_core::block::BlockRngCore::generate"><code>BlockRngCore::generate</code></a>, i.e. “soon”. For ChaCha and Hc128 this is a
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maximum of fifteen <code>u32</code> values before reseeding.</li>
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<li>After the PRNG has generated a configurable number of random bytes.</li>
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</ul>
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<h2 id="when-should-reseeding-after-a-fixed-number-of-generated-bytes-be-used"><a class="doc-anchor" href="#when-should-reseeding-after-a-fixed-number-of-generated-bytes-be-used">§</a>When should reseeding after a fixed number of generated bytes be used?</h2>
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<p>Reseeding after a fixed number of generated bytes is never strictly
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<em>necessary</em>. Cryptographic PRNGs don’t have a limited number of bytes they
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can output, or at least not a limit reachable in any practical way. There is
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no such thing as ‘running out of entropy’.</p>
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<p>Occasionally reseeding can be seen as some form of ‘security in depth’. Even
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if in the future a cryptographic weakness is found in the CSPRNG being used,
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or a flaw in the implementation, occasionally reseeding should make
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exploiting it much more difficult or even impossible.</p>
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<p>Use <a href="struct.ReseedingRng.html#method.new" title="associated function rand::rngs::adapter::ReseedingRng::new"><code>ReseedingRng::new</code></a> with a <code>threshold</code> of <code>0</code> to disable reseeding
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after a fixed number of generated bytes.</p>
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<h2 id="limitations"><a class="doc-anchor" href="#limitations">§</a>Limitations</h2>
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<p>It is recommended that a <code>ReseedingRng</code> (including <code>ThreadRng</code>) not be used
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from a fork handler.
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Use <code>OsRng</code> or <code>getrandom</code>, or defer your use of the RNG until later.</p>
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<h2 id="error-handling"><a class="doc-anchor" href="#error-handling">§</a>Error handling</h2>
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<p>Although unlikely, reseeding the wrapped PRNG can fail. <code>ReseedingRng</code> will
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never panic but try to handle the error intelligently through some
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combination of retrying and delaying reseeding until later.
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If handling the source error fails <code>ReseedingRng</code> will continue generating
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data from the wrapped PRNG without reseeding.</p>
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<p>Manually calling <a href="struct.ReseedingRng.html#method.reseed" title="method rand::rngs::adapter::ReseedingRng::reseed"><code>reseed()</code></a> will not have this retry or delay logic, but
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reports the error.</p>
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<h2 id="example"><a class="doc-anchor" href="#example">§</a>Example</h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>rand::prelude::<span class="kw-2">*</span>;
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<span class="kw">use </span>rand_chacha::ChaCha20Core; <span class="comment">// Internal part of ChaChaRng that
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// implements BlockRngCore
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</span><span class="kw">use </span>rand::rngs::OsRng;
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<span class="kw">use </span>rand::rngs::adapter::ReseedingRng;
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<span class="kw">let </span>prng = ChaCha20Core::from_entropy();
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<span class="kw">let </span><span class="kw-2">mut </span>reseeding_rng = ReseedingRng::new(prng, <span class="number">0</span>, OsRng);
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<span class="macro">println!</span>(<span class="string">"{}"</span>, reseeding_rng.gen::<u64>());
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<span class="kw">let </span><span class="kw-2">mut </span>cloned_rng = reseeding_rng.clone();
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<span class="macro">assert!</span>(reseeding_rng.gen::<u64>() != cloned_rng.gen::<u64>());</code></pre></div>
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</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#90-109">Source</a><a href="#impl-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
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R: <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a> + <a class="trait" href="../../trait.SeedableRng.html" title="trait rand::SeedableRng">SeedableRng</a>,
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Rsdr: <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#101-103">Source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>(rng: R, threshold: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a>, reseeder: Rsdr) -> Self</h4></section></summary><div class="docblock"><p>Create a new <code>ReseedingRng</code> from an existing PRNG, combined with a RNG
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to use as reseeder.</p>
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<p><code>threshold</code> sets the number of generated bytes after which to reseed the
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PRNG. Set it to zero to never reseed based on the number of generated
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values.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.reseed" class="method"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#106-108">Source</a><h4 class="code-header">pub fn <a href="#method.reseed" class="fn">reseed</a>(&mut self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.unit.html">()</a>, <a class="struct" href="../../struct.Error.html" title="struct rand::Error">Error</a>></h4></section></summary><div class="docblock"><p>Reseed the internal PRNG.</p>
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</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#137-147">Source</a><a href="#impl-Clone-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
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R: <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a> + <a class="trait" href="../../trait.SeedableRng.html" title="trait rand::SeedableRng">SeedableRng</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
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Rsdr: <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#142-146">Source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&self) -> <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/core/clone.rs.html#174">Source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#84">Source</a><a href="#impl-Debug-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
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R: <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a> + <a class="trait" href="../../trait.SeedableRng.html" title="trait rand::SeedableRng">SeedableRng</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,
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Rsdr: <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#84">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.84.1/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.84.1/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-RngCore-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#113-135">Source</a><a href="#impl-RngCore-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr: <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a>> <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
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R: <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a><Item = <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a>> + <a class="trait" href="../../trait.SeedableRng.html" title="trait rand::SeedableRng">SeedableRng</a>,
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<R as <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a>>::<a class="associatedtype" href="../../../rand_core/block/trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><[<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a>]> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsMut.html" title="trait core::convert::AsMut">AsMut</a><[<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a>]>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.next_u32" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#119-121">Source</a><a href="#method.next_u32" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.RngCore.html#tymethod.next_u32" class="fn">next_u32</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a></h4></section></summary><div class='docblock'>Return the next random <code>u32</code>. <a href="../../trait.RngCore.html#tymethod.next_u32">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.next_u64" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#124-126">Source</a><a href="#method.next_u64" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.RngCore.html#tymethod.next_u64" class="fn">next_u64</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a></h4></section></summary><div class='docblock'>Return the next random <code>u64</code>. <a href="../../trait.RngCore.html#tymethod.next_u64">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.fill_bytes" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#128-130">Source</a><a href="#method.fill_bytes" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.RngCore.html#tymethod.fill_bytes" class="fn">fill_bytes</a>(&mut self, dest: &mut [<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u8.html">u8</a>])</h4></section></summary><div class='docblock'>Fill <code>dest</code> with random data. <a href="../../trait.RngCore.html#tymethod.fill_bytes">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_fill_bytes" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#132-134">Source</a><a href="#method.try_fill_bytes" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.RngCore.html#tymethod.try_fill_bytes" class="fn">try_fill_bytes</a>(&mut self, dest: &mut [<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u8.html">u8</a>]) -> <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.unit.html">()</a>, <a class="struct" href="../../struct.Error.html" title="struct rand::Error">Error</a>></h4></section></summary><div class='docblock'>Fill <code>dest</code> entirely with random data. <a href="../../trait.RngCore.html#tymethod.try_fill_bytes">Read more</a></div></details></div></details><section id="impl-CryptoRng-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a class="src rightside" href="../../../src/rand/rngs/adapter/reseeding.rs.html#149-154">Source</a><a href="#impl-CryptoRng-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="../../trait.CryptoRng.html" title="trait rand::CryptoRng">CryptoRng</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
|
||
R: <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a> + <a class="trait" href="../../trait.SeedableRng.html" title="trait rand::SeedableRng">SeedableRng</a> + <a class="trait" href="../../trait.CryptoRng.html" title="trait rand::CryptoRng">CryptoRng</a>,
|
||
Rsdr: <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a> + <a class="trait" href="../../trait.CryptoRng.html" title="trait rand::CryptoRng">CryptoRng</a>,</div></h3></section></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a href="#impl-Freeze-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
|
||
<R as <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a>>::<a class="associatedtype" href="../../../rand_core/block/trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a>,
|
||
R: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a>,
|
||
Rsdr: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a>,</div></h3></section><section id="impl-RefUnwindSafe-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a href="#impl-RefUnwindSafe-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
|
||
<R as <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a>>::<a class="associatedtype" href="../../../rand_core/block/trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,
|
||
R: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,
|
||
Rsdr: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,</div></h3></section><section id="impl-Send-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a href="#impl-Send-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
|
||
<R as <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a>>::<a class="associatedtype" href="../../../rand_core/block/trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,
|
||
R: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,
|
||
Rsdr: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,</div></h3></section><section id="impl-Sync-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a href="#impl-Sync-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
|
||
<R as <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a>>::<a class="associatedtype" href="../../../rand_core/block/trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,
|
||
R: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,
|
||
Rsdr: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,</div></h3></section><section id="impl-Unpin-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a href="#impl-Unpin-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
|
||
<R as <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a>>::<a class="associatedtype" href="../../../rand_core/block/trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,
|
||
R: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,
|
||
Rsdr: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</div></h3></section><section id="impl-UnwindSafe-for-ReseedingRng%3CR,+Rsdr%3E" class="impl"><a href="#impl-UnwindSafe-for-ReseedingRng%3CR,+Rsdr%3E" class="anchor">§</a><h3 class="code-header">impl<R, Rsdr> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.ReseedingRng.html" title="struct rand::rngs::adapter::ReseedingRng">ReseedingRng</a><R, Rsdr><div class="where">where
|
||
<R as <a class="trait" href="../../../rand_core/block/trait.BlockRngCore.html" title="trait rand_core::block::BlockRngCore">BlockRngCore</a>>::<a class="associatedtype" href="../../../rand_core/block/trait.BlockRngCore.html#associatedtype.Results" title="type rand_core::block::BlockRngCore::Results">Results</a>: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>,
|
||
R: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>,
|
||
Rsdr: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>,</div></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/any.rs.html#138">Source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
|
||
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.84.1/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.84.1/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/borrow.rs.html#209">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
|
||
T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/borrow.rs.html#211">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/borrow.rs.html#217">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
|
||
T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/borrow.rs.html#218">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-CloneToUninit-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/clone.rs.html#273">Source</a><a href="#impl-CloneToUninit-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.CloneToUninit.html" title="trait core::clone::CloneToUninit">CloneToUninit</a> for T<div class="where">where
|
||
T: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone_to_uninit" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/clone.rs.html#275">Source</a><a href="#method.clone_to_uninit" class="anchor">§</a><h4 class="code-header">unsafe fn <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit" class="fn">clone_to_uninit</a>(&self, dst: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u8.html">u8</a>)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>clone_to_uninit</code>)</span></div></span><div class='docblock'>Performs copy-assignment from <code>self</code> to <code>dst</code>. <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-CryptoRngCore-for-T" class="impl"><a class="src rightside" href="../../../src/rand_core/lib.rs.html#234">Source</a><a href="#impl-CryptoRngCore-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="../../../rand_core/trait.CryptoRngCore.html" title="trait rand_core::CryptoRngCore">CryptoRngCore</a> for T<div class="where">where
|
||
T: <a class="trait" href="../../trait.CryptoRng.html" title="trait rand::CryptoRng">CryptoRng</a> + <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.as_rngcore" class="method trait-impl"><a class="src rightside" href="../../../src/rand_core/lib.rs.html#235">Source</a><a href="#method.as_rngcore" class="anchor">§</a><h4 class="code-header">fn <a href="../../../rand_core/trait.CryptoRngCore.html#tymethod.as_rngcore" class="fn">as_rngcore</a>(&mut self) -> &mut dyn <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a> <a href="#" class="tooltip" data-notable-ty="&mut dyn RngCore">ⓘ</a></h4></section></summary><div class='docblock'>Upcast to an <a href="../../trait.RngCore.html" title="trait rand::RngCore"><code>RngCore</code></a> trait object.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#765">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#768">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
|
||
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#748-750">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where
|
||
U: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#758">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
|
||
<p>That is, this conversion is whatever the implementation of
|
||
<code><a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
|
||
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Rng-for-R" class="impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#305">Source</a><a href="#impl-Rng-for-R" class="anchor">§</a><h3 class="code-header">impl<R> <a class="trait" href="../../trait.Rng.html" title="trait rand::Rng">Rng</a> for R<div class="where">where
|
||
R: <a class="trait" href="../../trait.RngCore.html" title="trait rand::RngCore">RngCore</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.gen" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#93-96">Source</a><a href="#method.gen" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Rng.html#method.gen" class="fn">gen</a><T>(&mut self) -> T<div class="where">where
|
||
<a class="struct" href="../../distributions/struct.Standard.html" title="struct rand::distributions::Standard">Standard</a>: <a class="trait" href="../../distributions/trait.Distribution.html" title="trait rand::distributions::Distribution">Distribution</a><T>,</div></h4></section></summary><div class='docblock'>Return a random value supporting the <a href="../../distributions/struct.Standard.html" title="struct rand::distributions::Standard"><code>Standard</code></a> distribution. <a href="../../trait.Rng.html#method.gen">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.gen_range" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#129-136">Source</a><a href="#method.gen_range" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Rng.html#method.gen_range" class="fn">gen_range</a><T, R>(&mut self, range: R) -> T<div class="where">where
|
||
T: <a class="trait" href="../../distributions/uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a>,
|
||
R: <a class="trait" href="../../distributions/uniform/trait.SampleRange.html" title="trait rand::distributions::uniform::SampleRange">SampleRange</a><T>,</div></h4></section></summary><div class='docblock'>Generate a random value in the given range. <a href="../../trait.Rng.html#method.gen_range">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.sample" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#152-154">Source</a><a href="#method.sample" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Rng.html#method.sample" class="fn">sample</a><T, D: <a class="trait" href="../../distributions/trait.Distribution.html" title="trait rand::distributions::Distribution">Distribution</a><T>>(&mut self, distr: D) -> T</h4></section></summary><div class='docblock'>Sample a new value, using the given distribution. <a href="../../trait.Rng.html#method.sample">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.sample_iter" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#192-198">Source</a><a href="#method.sample_iter" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Rng.html#method.sample_iter" class="fn">sample_iter</a><T, D>(self, distr: D) -> <a class="struct" href="../../distributions/struct.DistIter.html" title="struct rand::distributions::DistIter">DistIter</a><D, Self, T> <a href="#" class="tooltip" data-notable-ty="DistIter<D, Self, T>">ⓘ</a><div class="where">where
|
||
D: <a class="trait" href="../../distributions/trait.Distribution.html" title="trait rand::distributions::Distribution">Distribution</a><T>,
|
||
Self: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Create an iterator that generates values using the given distribution. <a href="../../trait.Rng.html#method.sample_iter">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.fill" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#218-220">Source</a><a href="#method.fill" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Rng.html#method.fill" class="fn">fill</a><T: <a class="trait" href="../../trait.Fill.html" title="trait rand::Fill">Fill</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(&mut self, dest: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&mut T</a>)</h4></section></summary><div class='docblock'>Fill any type implementing <a href="../../trait.Fill.html" title="trait rand::Fill"><code>Fill</code></a> with random data <a href="../../trait.Rng.html#method.fill">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_fill" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#246-248">Source</a><a href="#method.try_fill" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Rng.html#method.try_fill" class="fn">try_fill</a><T: <a class="trait" href="../../trait.Fill.html" title="trait rand::Fill">Fill</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(&mut self, dest: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&mut T</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.unit.html">()</a>, <a class="struct" href="../../struct.Error.html" title="struct rand::Error">Error</a>></h4></section></summary><div class='docblock'>Fill any type implementing <a href="../../trait.Rng.html#method.fill" title="method rand::Rng::fill"><code>Fill</code></a> with random data <a href="../../trait.Rng.html#method.try_fill">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.gen_bool" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#270-273">Source</a><a href="#method.gen_bool" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Rng.html#method.gen_bool" class="fn">gen_bool</a>(&mut self, p: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.f64.html">f64</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Return a bool with a probability <code>p</code> of being true. <a href="../../trait.Rng.html#method.gen_bool">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.gen_ratio" class="method trait-impl"><a class="src rightside" href="../../../src/rand/rng.rs.html#299-302">Source</a><a href="#method.gen_ratio" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Rng.html#method.gen_ratio" class="fn">gen_ratio</a>(&mut self, numerator: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a>, denominator: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Return a bool with a probability of <code>numerator/denominator</code> of being
|
||
true. I.e. <code>gen_ratio(2, 3)</code> has chance of 2 in 3, or about 67%, of
|
||
returning true. If <code>numerator == denominator</code>, then the returned value
|
||
is guaranteed to be <code>true</code>. If <code>numerator == 0</code>, then the returned
|
||
value is guaranteed to be <code>false</code>. <a href="../../trait.Rng.html#method.gen_ratio">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/alloc/borrow.rs.html#82-84">Source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
|
||
T: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/alloc/borrow.rs.html#86">Source</a><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/alloc/borrow.rs.html#87">Source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/alloc/borrow.rs.html#91">Source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#805-807">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where
|
||
U: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#809">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#812">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#790-792">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
|
||
U: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#794">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#797">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-VZip%3CV%3E-for-T" class="impl"><a class="src rightside" href="../../../src/ppv_lite86/types.rs.html#221-223">Source</a><a href="#impl-VZip%3CV%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<V, T> <a class="trait" href="../../../ppv_lite86/types/trait.VZip.html" title="trait ppv_lite86::types::VZip">VZip</a><V> for T<div class="where">where
|
||
V: <a class="trait" href="../../../ppv_lite86/types/trait.MultiLane.html" title="trait ppv_lite86::types::MultiLane">MultiLane</a><T>,</div></h3></section></summary><div class="impl-items"><section id="method.vzip" class="method trait-impl"><a class="src rightside" href="../../../src/ppv_lite86/types.rs.html#226">Source</a><a href="#method.vzip" class="anchor">§</a><h4 class="code-header">fn <a href="../../../ppv_lite86/types/trait.VZip.html#tymethod.vzip" class="fn">vzip</a>(self) -> V</h4></section></div></details></div><script type="text/json" id="notable-traits-data">{"&mut dyn RngCore":"<h3>Notable traits for <code>dyn <a class=\"trait\" href=\"../../trait.RngCore.html\" title=\"trait rand::RngCore\">RngCore</a></code></h3><pre><code><div class=\"where\">impl <a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.1/std/io/trait.Read.html\" title=\"trait std::io::Read\">Read</a> for dyn <a class=\"trait\" href=\"../../trait.RngCore.html\" title=\"trait rand::RngCore\">RngCore</a></div>","DistIter<D, Self, T>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../../distributions/struct.DistIter.html\" title=\"struct rand::distributions::DistIter\">DistIter</a><D, R, T></code></h3><pre><code><div class=\"where\">impl<D, R, T> <a class=\"trait\" href=\"https://doc.rust-lang.org/1.84.1/core/iter/traits/iterator/trait.Iterator.html\" title=\"trait core::iter::traits::iterator::Iterator\">Iterator</a> for <a class=\"struct\" href=\"../../distributions/struct.DistIter.html\" title=\"struct rand::distributions::DistIter\">DistIter</a><D, R, T><div class=\"where\">where\n D: <a class=\"trait\" href=\"../../distributions/trait.Distribution.html\" title=\"trait rand::distributions::Distribution\">Distribution</a><T>,\n R: <a class=\"trait\" href=\"../../trait.Rng.html\" title=\"trait rand::Rng\">Rng</a>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.84.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item\" class=\"associatedtype\">Item</a> = T;</div>"}</script></section></div></main></body></html> |