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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 distribution using weighted sampling of discrete items"><title>WeightedIndex in rand::distributions - 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" 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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="#">Weighted<wbr>Index</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#performance" title="Performance">Performance</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.update_weights" title="update_weights">update_weights</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-WeightedIndex%3CX%3E" title="Clone">Clone</a></li><li><a href="#impl-Debug-for-WeightedIndex%3CX%3E" title="Debug">Debug</a></li><li><a href="#impl-Distribution%3Cusize%3E-for-WeightedIndex%3CX%3E" title="Distribution<usize>">Distribution<usize></a></li><li><a href="#impl-PartialEq-for-WeightedIndex%3CX%3E" title="PartialEq">PartialEq</a></li><li><a href="#impl-StructuralPartialEq-for-WeightedIndex%3CX%3E" title="StructuralPartialEq">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-WeightedIndex%3CX%3E" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-WeightedIndex%3CX%3E" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send-for-WeightedIndex%3CX%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-WeightedIndex%3CX%3E" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-WeightedIndex%3CX%3E" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-WeightedIndex%3CX%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-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-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>distributions</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">distributions</a></span><h1>Struct <span class="struct">WeightedIndex</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/distributions/weighted_index.rs.html#81-85">Source</a> </span></div><pre class="rust item-decl"><code>pub struct WeightedIndex<X: <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>> { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A distribution using weighted sampling of discrete items</p>
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<p>Sampling a <code>WeightedIndex</code> distribution returns the index of a randomly
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selected element from the iterator used when the <code>WeightedIndex</code> was
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created. The chance of a given element being picked is proportional to the
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value of the element. The weights can use any type <code>X</code> for which an
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implementation of <a href="struct.Uniform.html" title="struct rand::distributions::Uniform"><code>Uniform<X></code></a> exists.</p>
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<h2 id="performance"><a class="doc-anchor" href="#performance">§</a>Performance</h2>
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<p>Time complexity of sampling from <code>WeightedIndex</code> is <code>O(log N)</code> where
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<code>N</code> is the number of weights. As an alternative,
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<a href="https://docs.rs/rand_distr/*/rand_distr/weighted_alias/index.html"><code>rand_distr::weighted_alias</code></a>
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supports <code>O(1)</code> sampling, but with much higher initialisation cost.</p>
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<p>A <code>WeightedIndex<X></code> contains a <code>Vec<X></code> and a <a href="struct.Uniform.html" title="struct rand::distributions::Uniform"><code>Uniform<X></code></a> and so its
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size is the sum of the size of those objects, possibly plus some alignment.</p>
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<p>Creating a <code>WeightedIndex<X></code> will allocate enough space to hold <code>N - 1</code>
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weights of type <code>X</code>, where <code>N</code> is the number of weights. However, since
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<code>Vec</code> doesn’t guarantee a particular growth strategy, additional memory
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might be allocated but not used. Since the <code>WeightedIndex</code> object also
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contains, this might cause additional allocations, though for primitive
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types, <a href="struct.Uniform.html" title="struct rand::distributions::Uniform"><code>Uniform<X></code></a> doesn’t allocate any memory.</p>
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<p>Sampling from <code>WeightedIndex</code> will result in a single call to
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<code>Uniform<X>::sample</code> (method of the <a href="trait.Distribution.html" title="trait rand::distributions::Distribution"><code>Distribution</code></a> trait), which typically
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will request a single value from the underlying <a href="../trait.RngCore.html" title="trait rand::RngCore"><code>RngCore</code></a>, though the
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exact number depends on the implementation of <code>Uniform<X>::sample</code>.</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::distributions::WeightedIndex;
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<span class="kw">let </span>choices = [<span class="string">'a'</span>, <span class="string">'b'</span>, <span class="string">'c'</span>];
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<span class="kw">let </span>weights = [<span class="number">2</span>, <span class="number">1</span>, <span class="number">1</span>];
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<span class="kw">let </span>dist = WeightedIndex::new(<span class="kw-2">&</span>weights).unwrap();
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<span class="kw">let </span><span class="kw-2">mut </span>rng = thread_rng();
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<span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{
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<span class="comment">// 50% chance to print 'a', 25% chance to print 'b', 25% chance to print 'c'
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</span><span class="macro">println!</span>(<span class="string">"{}"</span>, choices[dist.sample(<span class="kw-2">&mut </span>rng)]);
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}
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<span class="kw">let </span>items = [(<span class="string">'a'</span>, <span class="number">0</span>), (<span class="string">'b'</span>, <span class="number">3</span>), (<span class="string">'c'</span>, <span class="number">7</span>)];
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<span class="kw">let </span>dist2 = WeightedIndex::new(items.iter().map(|item| item.<span class="number">1</span>)).unwrap();
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<span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{
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<span class="comment">// 0% chance to print 'a', 30% chance to print 'b', 70% chance to print 'c'
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</span><span class="macro">println!</span>(<span class="string">"{}"</span>, items[dist2.sample(<span class="kw-2">&mut </span>rng)].<span class="number">0</span>);
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}</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-WeightedIndex%3CX%3E" class="impl"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#87-221">Source</a><a href="#impl-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X: <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>> <a class="struct" href="struct.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X></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/distributions/weighted_index.rs.html#96-131">Source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a><I>(weights: I) -> <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="struct" href="struct.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X>, <a class="enum" href="enum.WeightedError.html" title="enum rand::distributions::WeightedError">WeightedError</a>><div class="where">where
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I: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
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I::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="uniform/trait.SampleBorrow.html" title="trait rand::distributions::uniform::SampleBorrow">SampleBorrow</a><X>,
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X: for<'a> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/ops/arith/trait.AddAssign.html" title="trait core::ops::arith::AddAssign">AddAssign</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&'a X</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> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/default/trait.Default.html" title="trait core::default::Default">Default</a>,</div></h4></section></summary><div class="docblock"><p>Creates a new a <code>WeightedIndex</code> <a href="trait.Distribution.html" title="trait rand::distributions::Distribution"><code>Distribution</code></a> using the values
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in <code>weights</code>. The weights can use any type <code>X</code> for which an
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implementation of <a href="struct.Uniform.html" title="struct rand::distributions::Uniform"><code>Uniform<X></code></a> exists.</p>
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<p>Returns an error if the iterator is empty, if any weight is <code>< 0</code>, or
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if its total value is 0.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.update_weights" class="method"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#142-220">Source</a><h4 class="code-header">pub fn <a href="#method.update_weights" class="fn">update_weights</a>(
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&mut self,
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new_weights: &[(<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&X</a>)],
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) -> <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="enum" href="enum.WeightedError.html" title="enum rand::distributions::WeightedError">WeightedError</a>><div class="where">where
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X: for<'a> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/ops/arith/trait.AddAssign.html" title="trait core::ops::arith::AddAssign">AddAssign</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&'a X</a>> + for<'a> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/ops/arith/trait.SubAssign.html" title="trait core::ops::arith::SubAssign">SubAssign</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&'a X</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> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/default/trait.Default.html" title="trait core::default::Default">Default</a>,</div></h4></section></summary><div class="docblock"><p>Update a subset of weights, without changing the number of weights.</p>
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<p><code>new_weights</code> must be sorted by the index.</p>
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<p>Using this method instead of <code>new</code> might be more efficient if only a small number of
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weights is modified. No allocations are performed, unless the weight type <code>X</code> uses
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allocation internally.</p>
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<p>In case of error, <code>self</code> is not modified.</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-WeightedIndex%3CX%3E" class="impl"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#78">Source</a><a href="#impl-Clone-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</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> for <a class="struct" href="struct.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
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X::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</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/distributions/weighted_index.rs.html#78">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.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X></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-WeightedIndex%3CX%3E" class="impl"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#78">Source</a><a href="#impl-Debug-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> + <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</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> for <a class="struct" href="struct.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
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X::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</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/distributions/weighted_index.rs.html#78">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-Distribution%3Cusize%3E-for-WeightedIndex%3CX%3E" class="impl"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#223-240">Source</a><a href="#impl-Distribution%3Cusize%3E-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X> <a class="trait" href="trait.Distribution.html" title="trait rand::distributions::Distribution">Distribution</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.usize.html">usize</a>> for <a class="struct" href="struct.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
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X: <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.sample" class="method trait-impl"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#226-239">Source</a><a href="#method.sample" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Distribution.html#tymethod.sample" class="fn">sample</a><R: <a class="trait" href="../trait.Rng.html" title="trait rand::Rng">Rng</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>>(&self, rng: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&mut R</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.usize.html">usize</a></h4></section></summary><div class='docblock'>Generate a random value of <code>T</code>, using <code>rng</code> as the source of randomness.</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/distributions/distribution.rs.html#73-83">Source</a><a href="#method.sample_iter" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Distribution.html#method.sample_iter" class="fn">sample_iter</a><R>(self, rng: R) -> <a class="struct" href="struct.DistIter.html" title="struct rand::distributions::DistIter">DistIter</a><Self, R, T> <a href="#" class="tooltip" data-notable-ty="DistIter<Self, R, T>">ⓘ</a><div class="where">where
|
||
R: <a class="trait" href="../trait.Rng.html" title="trait rand::Rng">Rng</a>,
|
||
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 random values of <code>T</code>, using <code>rng</code> as
|
||
the source of randomness. <a href="trait.Distribution.html#method.sample_iter">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.map" class="method trait-impl"><a class="src rightside" href="../../src/rand/distributions/distribution.rs.html#102-112">Source</a><a href="#method.map" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Distribution.html#method.map" class="fn">map</a><F, S>(self, func: F) -> <a class="struct" href="struct.DistMap.html" title="struct rand::distributions::DistMap">DistMap</a><Self, F, T, S><div class="where">where
|
||
F: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(T) -> S,
|
||
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 a distribution of values of ‘S’ by mapping the output of <code>Self</code>
|
||
through the closure <code>F</code> <a href="trait.Distribution.html#method.map">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialEq-for-WeightedIndex%3CX%3E" class="impl"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#78">Source</a><a href="#impl-PartialEq-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> + <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="struct" href="struct.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
|
||
X::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</a>: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#78">Source</a><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialEq.html#tymethod.eq" class="fn">eq</a>(&self, other: &<a class="struct" href="struct.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X>) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.ne" 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/cmp.rs.html#261">Source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialEq.html#method.ne" class="fn">ne</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&Rhs</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'>Tests for <code>!=</code>. The default implementation is almost always sufficient,
|
||
and should not be overridden without very good reason.</div></details></div></details><section id="impl-StructuralPartialEq-for-WeightedIndex%3CX%3E" class="impl"><a class="src rightside" href="../../src/rand/distributions/weighted_index.rs.html#78">Source</a><a href="#impl-StructuralPartialEq-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X: <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="struct" href="struct.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X></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-WeightedIndex%3CX%3E" class="impl"><a href="#impl-Freeze-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X> <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.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
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||
X: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a>,
|
||
<X as <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a>>::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</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>,</div></h3></section><section id="impl-RefUnwindSafe-for-WeightedIndex%3CX%3E" class="impl"><a href="#impl-RefUnwindSafe-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X> <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.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
|
||
X: <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>,
|
||
<X as <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a>>::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</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>,</div></h3></section><section id="impl-Send-for-WeightedIndex%3CX%3E" class="impl"><a href="#impl-Send-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X> <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.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
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||
X: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,
|
||
<X as <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a>>::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</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>,</div></h3></section><section id="impl-Sync-for-WeightedIndex%3CX%3E" class="impl"><a href="#impl-Sync-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X> <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.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
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||
X: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,
|
||
<X as <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a>>::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</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>,</div></h3></section><section id="impl-Unpin-for-WeightedIndex%3CX%3E" class="impl"><a href="#impl-Unpin-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X> <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.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
|
||
X: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,
|
||
<X as <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a>>::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</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>,</div></h3></section><section id="impl-UnwindSafe-for-WeightedIndex%3CX%3E" class="impl"><a href="#impl-UnwindSafe-for-WeightedIndex%3CX%3E" class="anchor">§</a><h3 class="code-header">impl<X> <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.WeightedIndex.html" title="struct rand::distributions::WeightedIndex">WeightedIndex</a><X><div class="where">where
|
||
X: <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>,
|
||
<X as <a class="trait" href="uniform/trait.SampleUniform.html" title="trait rand::distributions::uniform::SampleUniform">SampleUniform</a>>::<a class="associatedtype" href="uniform/trait.SampleUniform.html#associatedtype.Sampler" title="type rand::distributions::uniform::SampleUniform::Sampler">Sampler</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>,</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
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||
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-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
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||
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>
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<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>
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</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
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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
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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
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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
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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">{"DistIter<Self, R, T>":"<h3>Notable traits for <code><a class=\"struct\" href=\"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=\"struct.DistIter.html\" title=\"struct rand::distributions::DistIter\">DistIter</a><D, R, T><div class=\"where\">where\n D: <a class=\"trait\" href=\"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> |