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trait.ConditionallyNegatable.html
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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 type which can be conditionally negated in constant time."><title>ConditionallyNegatable in subtle - 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-46132b98.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="subtle" data-themes="" data-resource-suffix="" data-rustdoc-version="1.85.0 (4d91de4e4 2025-02-17)" data-channel="1.85.0" data-search-js="search-75f5ac3e.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="alternate icon" type="image/png" href="../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-044be391.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" title="show sidebar"></button><a class="logo-container" href="../subtle/index.html"><img src="https://doc.dalek.rs/assets/dalek-logo-clear.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../subtle/index.html"><img src="https://doc.dalek.rs/assets/dalek-logo-clear.png" alt="logo"></a><h2><a href="../subtle/index.html">subtle</a><span class="version">2.6.1</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Conditionally<wbr>Negatable</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#note" title="Note">Note</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.conditional_negate" title="conditional_negate">conditional_negate</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate subtle</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">subtle</a></span><h1>Trait <span class="trait">ConditionallyNegatable</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/subtle/lib.rs.html#604-612">Source</a> </span></div><pre class="rust item-decl"><code>pub trait ConditionallyNegatable {
// Required method
fn <a href="#tymethod.conditional_negate" class="fn">conditional_negate</a>(&mut self, choice: <a class="struct" href="struct.Choice.html" title="struct subtle::Choice">Choice</a>);
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A type which can be conditionally negated in constant time.</p>
<h2 id="note"><a class="doc-anchor" href="#note">§</a>Note</h2>
<p>A generic implementation of <code>ConditionallyNegatable</code> is provided
for types <code>T</code> which are <code>ConditionallySelectable</code> and have <code>Neg</code>
implemented on <code>&T</code>.</p>
</div></details><h2 id="required-methods" class="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.conditional_negate" class="method"><a class="src rightside" href="../src/subtle/lib.rs.html#611">Source</a><h4 class="code-header">fn <a href="#tymethod.conditional_negate" class="fn">conditional_negate</a>(&mut self, choice: <a class="struct" href="struct.Choice.html" title="struct subtle::Choice">Choice</a>)</h4></section></summary><div class="docblock"><p>Negate <code>self</code> if <code>choice == Choice(1)</code>; otherwise, leave it
unchanged.</p>
<p>This function should execute in constant time.</p>
</div></details></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-ConditionallyNegatable-for-T" class="impl"><a class="src rightside" href="../src/subtle/lib.rs.html#614-625">Source</a><a href="#impl-ConditionallyNegatable-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="trait.ConditionallyNegatable.html" title="trait subtle::ConditionallyNegatable">ConditionallyNegatable</a> for T<div class="where">where
T: <a class="trait" href="trait.ConditionallySelectable.html" title="trait subtle::ConditionallySelectable">ConditionallySelectable</a>,
for<'a> <a class="primitive" href="https://doc.rust-lang.org/1.85.0/core/primitive.reference.html">&'a T</a>: <a class="trait" href="https://doc.rust-lang.org/1.85.0/core/ops/arith/trait.Neg.html" title="trait core::ops::arith::Neg">Neg</a><Output = T>,</div></h3></section></div><script src="../trait.impl/subtle/trait.ConditionallyNegatable.js" async></script></section></div></main></body></html>