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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="Defines a multiplicative identity element for `Self`."><title>One in num - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-fa3bb1812debf86c.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="num" data-themes="" data-resource-suffix="" data-rustdoc-version="1.74.0 (79e9716c9 2023-11-13)" data-channel="1.74.0" data-search-js="search-8be46b629f5f14a8.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-c5bd66d33317d69f.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="logo-container" href="../num/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a></nav><nav class="sidebar"><a class="logo-container" href="../num/index.html"><img class="rust-logo" src="../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><h2 class="location"><a href="#">One</a></h2><div class="sidebar-elems"><section><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.one">one</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.is_one">is_one</a></li><li><a href="#method.set_one">set_one</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-One-for-Wrapping%3CT%3E">Wrapping&lt;T&gt;</a></li><li><a href="#impl-One-for-f32">f32</a></li><li><a href="#impl-One-for-f64">f64</a></li><li><a href="#impl-One-for-i128">i128</a></li><li><a href="#impl-One-for-i16">i16</a></li><li><a href="#impl-One-for-i32">i32</a></li><li><a href="#impl-One-for-i64">i64</a></li><li><a href="#impl-One-for-i8">i8</a></li><li><a href="#impl-One-for-isize">isize</a></li><li><a href="#impl-One-for-u128">u128</a></li><li><a href="#impl-One-for-u16">u16</a></li><li><a href="#impl-One-for-u32">u32</a></li><li><a href="#impl-One-for-u64">u64</a></li><li><a href="#impl-One-for-u8">u8</a></li><li><a href="#impl-One-for-usize">usize</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In num</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Trait <a href="index.html">num</a>::<wbr><a class="trait" href="#">One</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/num_traits/identities.rs.html#88">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub trait One: <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/ops/arith/trait.Mul.html" title="trait core::ops::arith::Mul">Mul</a>&lt;Self, Output = Self&gt; {
// Required method
fn <a href="#tymethod.one" class="fn">one</a>() -&gt; Self;
// Provided methods
fn <a href="#method.set_one" class="fn">set_one</a>(&amp;mut self) { ... }
<span class="item-spacer"></span> fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a>
<span class="where">where Self: <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a>&lt;Self&gt;</span> { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Defines a multiplicative identity element for <code>Self</code>.</p>
<h2 id="laws"><a href="#laws">Laws</a></h2><div class="example-wrap"><pre class="language-text"><code>a * 1 = a ∀ a ∈ Self
1 * a = a ∀ a ∈ Self
</code></pre></div></div></details><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.one" class="method"><a class="src rightside" href="../src/num_traits/identities.rs.html#97">source</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; Self</h4></section></summary><div class="docblock"><p>Returns the multiplicative identity element of <code>Self</code>, <code>1</code>.</p>
<h5 id="purity"><a href="#purity">Purity</a></h5>
<p>This function should return the same result at all times regardless of
external mutable state, for example values stored in TLS or in
<code>static mut</code>s.</p>
</div></details></div><h2 id="provided-methods" class="small-section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.set_one" class="method"><a class="src rightside" href="../src/num_traits/identities.rs.html#100">source</a><h4 class="code-header">fn <a href="#method.set_one" class="fn">set_one</a>(&amp;mut self)</h4></section></summary><div class="docblock"><p>Sets <code>self</code> to the multiplicative identity element of <code>Self</code>, <code>1</code>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.is_one" class="method"><a class="src rightside" href="../src/num_traits/identities.rs.html#110-112">source</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a><span class="where fmt-newline">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a>&lt;Self&gt;,</span></h4></section></summary><div class="docblock"><p>Returns <code>true</code> if <code>self</code> is equal to the multiplicative identity.</p>
<p>For performance reasons, it’s best to implement this manually.
After a semver bump, this method will be required, and the
<code>where Self: PartialEq</code> bound will be removed.</p>
</div></details></div><h2 id="foreign-impls" class="small-section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-One-for-u8" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#134">source</a><a href="#impl-One-for-u8" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u8.html">u8</a></h3></section></summary><div class="impl-items"><section id="method.one" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#134">source</a><a href="#method.one" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u8.html">u8</a></h4></section><section id="method.is_one-1" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#134">source</a><a href="#method.is_one-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-u128" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#138">source</a><a href="#impl-One-for-u128" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u128.html">u128</a></h3></section></summary><div class="impl-items"><section id="method.one-1" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#138">source</a><a href="#method.one-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u128.html">u128</a></h4></section><section id="method.is_one-2" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#138">source</a><a href="#method.is_one-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-i128" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#145">source</a><a href="#impl-One-for-i128" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i128.html">i128</a></h3></section></summary><div class="impl-items"><section id="method.one-2" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#145">source</a><a href="#method.one-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i128.html">i128</a></h4></section><section id="method.is_one-3" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#145">source</a><a href="#method.is_one-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-f32" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#147">source</a><a href="#impl-One-for-f32" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.f32.html">f32</a></h3></section></summary><div class="impl-items"><section id="method.one-3" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#147">source</a><a href="#method.one-3" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.f32.html">f32</a></h4></section><section id="method.is_one-4" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#147">source</a><a href="#method.is_one-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-isize" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#140">source</a><a href="#impl-One-for-isize" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.isize.html">isize</a></h3></section></summary><div class="impl-items"><section id="method.one-4" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#140">source</a><a href="#method.one-4" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.isize.html">isize</a></h4></section><section id="method.is_one-5" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#140">source</a><a href="#method.is_one-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-u64" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#137">source</a><a href="#impl-One-for-u64" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u64.html">u64</a></h3></section></summary><div class="impl-items"><section id="method.one-5" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#137">source</a><a href="#method.one-5" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u64.html">u64</a></h4></section><section id="method.is_one-6" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#137">source</a><a href="#method.is_one-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-i32" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#143">source</a><a href="#impl-One-for-i32" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i32.html">i32</a></h3></section></summary><div class="impl-items"><section id="method.one-6" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#143">source</a><a href="#method.one-6" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i32.html">i32</a></h4></section><section id="method.is_one-7" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#143">source</a><a href="#method.is_one-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-u32" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#136">source</a><a href="#impl-One-for-u32" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u32.html">u32</a></h3></section></summary><div class="impl-items"><section id="method.one-7" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#136">source</a><a href="#method.one-7" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u32.html">u32</a></h4></section><section id="method.is_one-8" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#136">source</a><a href="#method.is_one-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-i64" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#144">source</a><a href="#impl-One-for-i64" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i64.html">i64</a></h3></section></summary><div class="impl-items"><section id="method.one-8" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#144">source</a><a href="#method.one-8" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i64.html">i64</a></h4></section><section id="method.is_one-9" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#144">source</a><a href="#method.is_one-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-i8" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#141">source</a><a href="#impl-One-for-i8" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i8.html">i8</a></h3></section></summary><div class="impl-items"><section id="method.one-9" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#141">source</a><a href="#method.one-9" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i8.html">i8</a></h4></section><section id="method.is_one-10" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#141">source</a><a href="#method.is_one-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-usize" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#133">source</a><a href="#impl-One-for-usize" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.usize.html">usize</a></h3></section></summary><div class="impl-items"><section id="method.one-10" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#133">source</a><a href="#method.one-10" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.usize.html">usize</a></h4></section><section id="method.is_one-11" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#133">source</a><a href="#method.is_one-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-Wrapping%3CT%3E" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#150">source</a><a href="#impl-One-for-Wrapping%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="struct" href="https://doc.rust-lang.org/1.74.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a>&lt;T&gt;<span class="where fmt-newline">where
T: <a class="trait" href="trait.One.html" title="trait num::One">One</a>,
<a class="struct" href="https://doc.rust-lang.org/1.74.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a>&lt;T&gt;: <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/ops/arith/trait.Mul.html" title="trait core::ops::arith::Mul">Mul</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.74.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a>&lt;T&gt;, Output = <a class="struct" href="https://doc.rust-lang.org/1.74.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a>&lt;T&gt;&gt;,</span></h3></section></summary><div class="impl-items"><section id="method.set_one-1" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#154">source</a><a href="#method.set_one-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.set_one" class="fn">set_one</a>(&amp;mut self)</h4></section><section id="method.one-11" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#158">source</a><a href="#method.one-11" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="struct" href="https://doc.rust-lang.org/1.74.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a>&lt;T&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-u16" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#135">source</a><a href="#impl-One-for-u16" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u16.html">u16</a></h3></section></summary><div class="impl-items"><section id="method.one-12" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#135">source</a><a href="#method.one-12" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.u16.html">u16</a></h4></section><section id="method.is_one-12" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#135">source</a><a href="#method.is_one-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-f64" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#148">source</a><a href="#impl-One-for-f64" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.f64.html">f64</a></h3></section></summary><div class="impl-items"><section id="method.one-13" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#148">source</a><a href="#method.one-13" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.f64.html">f64</a></h4></section><section id="method.is_one-13" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#148">source</a><a href="#method.is_one-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-One-for-i16" class="impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#142">source</a><a href="#impl-One-for-i16" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i16.html">i16</a></h3></section></summary><div class="impl-items"><section id="method.one-14" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#142">source</a><a href="#method.one-14" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.one" class="fn">one</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.i16.html">i16</a></h4></section><section id="method.is_one-14" class="method trait-impl"><a class="src rightside" href="../src/num_traits/identities.rs.html#142">source</a><a href="#method.is_one-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_one" class="fn">is_one</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.74.0/std/primitive.bool.html">bool</a></h4></section></div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-One-for-BigInt" class="impl"><a class="src rightside" href="../src/num_bigint/bigint.rs.html#232">source</a><a href="#impl-One-for-BigInt" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="struct" href="struct.BigInt.html" title="struct num::BigInt">BigInt</a></h3></section><section id="impl-One-for-BigUint" class="impl"><a class="src rightside" href="../src/num_bigint/biguint.rs.html#163">source</a><a href="#impl-One-for-BigUint" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="struct" href="struct.BigUint.html" title="struct num::BigUint">BigUint</a></h3></section><section id="impl-One-for-Ratio%3CT%3E" class="impl"><a class="src rightside" href="../src/num_rational/lib.rs.html#941">source</a><a href="#impl-One-for-Ratio%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="struct" href="rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;T&gt;<span class="where fmt-newline">where
T: <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="trait.Integer.html" title="trait num::Integer">Integer</a>,</span></h3></section><section id="impl-One-for-Complex%3CT%3E" class="impl"><a class="src rightside" href="../src/num_complex/lib.rs.html#1169">source</a><a href="#impl-One-for-Complex%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.One.html" title="trait num::One">One</a> for <a class="struct" href="struct.Complex.html" title="struct num::Complex">Complex</a>&lt;T&gt;<span class="where fmt-newline">where
T: <a class="trait" href="https://doc.rust-lang.org/1.74.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="trait.Num.html" title="trait num::Num">Num</a>,</span></h3></section></div><script src="../implementors/num_traits/identities/trait.One.js" data-ignore-extern-crates="num_rational,std,num_complex,num_bigint,core" async></script></section></div></main></body></html>