wasmi/num_traits/ops/wrapping/trait.WrappingShr.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="API documentation for the Rust `WrappingShr` trait in crate `num_traits`."><meta name="keywords" content="rust, rustlang, rust-lang, WrappingShr"><title>num_traits::ops::wrapping::WrappingShr - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="shortcut icon" href="../../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../../num_traits/index.html'><div class='logo-container'><img src='../../../rust-logo.png' alt='logo'></div></a><p class='location'>Trait WrappingShr</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.wrapping_shr">wrapping_shr</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-WrappingShr-for-Wrapping%3CT%3E">Wrapping&lt;T&gt;</a><a href="#impl-WrappingShr-for-i128">i128</a><a href="#impl-WrappingShr-for-i16">i16</a><a href="#impl-WrappingShr-for-i32">i32</a><a href="#impl-WrappingShr-for-i64">i64</a><a href="#impl-WrappingShr-for-i8">i8</a><a href="#impl-WrappingShr-for-isize">isize</a><a href="#impl-WrappingShr-for-u128">u128</a><a href="#impl-WrappingShr-for-u16">u16</a><a href="#impl-WrappingShr-for-u32">u32</a><a href="#impl-WrappingShr-for-u64">u64</a><a href="#impl-WrappingShr-for-u8">u8</a><a href="#impl-WrappingShr-for-usize">usize</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../../index.html'>num_traits</a>::<wbr><a href='../index.html'>ops</a>::<wbr><a href='index.html'>wrapping</a></p><script>window.sidebarCurrent = {name: 'WrappingShr', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>&#x2212;</span>]</a></span><a class='srclink' href='../../../src/num_traits/ops/wrapping.rs.html#139-155' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='../../index.html'>num_traits</a>::<wbr><a href='../index.html'>ops</a>::<wbr><a href='index.html'>wrapping</a>::<wbr><a class="trait" href=''>WrappingShr</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait WrappingShr: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"
fn <a href='#tymethod.wrapping_shr' class='fnname'>wrapping_shr</a>(&amp;self, rhs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; Self;
}</pre></div><div class='docblock'><p>Performs a right shift that does not panic.</p>
</div>
<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.wrapping_shr' class='method'><code id='wrapping_shr.v'>fn <a href='#tymethod.wrapping_shr' class='fnname'>wrapping_shr</a>(&amp;self, rhs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; Self</code></h3><div class='docblock'><p>Panic-free bitwise shift-right; yields <code>self &gt;&gt; mask(rhs)</code>,
where <code>mask</code> removes any high order bits of <code>rhs</code> that would
cause the shift to exceed the bitwidth of the type.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">WrappingShr</span>;
<span class="kw">let</span> <span class="ident">x</span>: <span class="ident">u16</span> <span class="op">=</span> <span class="number">0x8000</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">WrappingShr</span>::<span class="ident">wrapping_shr</span>(<span class="kw-2">&amp;</span><span class="ident">x</span>, <span class="number">0</span>), <span class="number">0x8000</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">WrappingShr</span>::<span class="ident">wrapping_shr</span>(<span class="kw-2">&amp;</span><span class="ident">x</span>, <span class="number">1</span>), <span class="number">0x4000</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">WrappingShr</span>::<span class="ident">wrapping_shr</span>(<span class="kw-2">&amp;</span><span class="ident">x</span>, <span class="number">15</span>), <span class="number">0x0001</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">WrappingShr</span>::<span class="ident">wrapping_shr</span>(<span class="kw-2">&amp;</span><span class="ident">x</span>, <span class="number">16</span>), <span class="number">0x8000</span>);</pre></div>
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<h2 id='foreign-impls' class='small-section-header'>Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a></h2><h3 id='impl-WrappingShr-for-u8' class='impl'><code class='in-band'>impl <a class="trait" href="../../../num_traits/ops/wrapping/trait.WrappingShr.html" title="trait num_traits::ops::wrapping::WrappingShr">WrappingShr</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a></code><a href='#impl-WrappingShr-for-u8' class='anchor'></a><a class='srclink' href='../../../src/num_traits/ops/wrapping.rs.html#94-99' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.wrapping_shr' class="method hidden"><code id='wrapping_shr.v-1'>fn <a href='#method.wrapping_shr' class='fnname'>wrapping_shr</a>(&amp;self, rhs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a></code><a class='srclink' href='../../../src/num_traits/ops/wrapping.rs.html#96-98' title='goto source code'>[src]</a></h4></div><h3 id='impl-WrappingShr-for-u16' class='impl'><code class='in-band'>impl <a class="trait" href="../../../num_traits/ops/wrapping/trait.WrappingShr.html" title="trait num_traits::ops::wrapping::WrappingShr">WrappingShr</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a></code><a href='#impl-WrappingShr-for-u16' class='anchor'></a><a class='srclink' href='../../../src/num_traits/ops/wrapping.rs.html#94-99' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.wrapping_shr-1' class="method hidden"><code id='wrapping_shr.v-2'>fn <a href='#method.wrapping_shr' class='fnname'>wrapping_shr</a>(&amp;self, rhs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a></code><a class='srclink' href='../../../src/num_traits/ops/wrapping.rs.html#96-98' title='goto source code'>[src]</a></h4></div><h3 id='impl-WrappingShr-for-u32' class='impl'><code class='in-band'>impl <a class="trait" href="../../../num_traits/ops/wrapping/trait.WrappingShr.html" title="trait num_traits::ops::wrapping::WrappingShr">WrappingShr</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code><a href='#impl-WrappingShr-for-u32' class='anchor'></a><a class='srclink' href='../../../src/num_traits/ops/wrapping.rs.html#94-99' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.wrapping_shr-2' class="method hidden"><code id='wrapping_shr.v-3'>fn <a href='#method.wrapping_shr' class='fnname'>wrapping_shr</a>(&amp;self, rhs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code><a class='srclink' href='../../../src/num_traits/ops/wrapping.rs.html#96-98' title='goto source code'>[src]</a></h4></div><h3 id='impl-WrappingShr-for-u64' class='impl'><code class='in-band'>impl <a class="trait" href="../../../num_traits/ops/wrapping/trait.WrappingShr.html" title="trait num_traits::ops::wrapping::WrappingShr">WrappingShr</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></code><a href='#impl-WrappingShr-for-u64' class='anchor'></a><a class='srclink' href='../../../src/num_traits/ops/wrapping.rs.html#94-99' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.wrapping_shr-3' class="method hidden"><code id='wrapping_shr.v-4'>fn <a href='#method.wrapping_shr' class='fnname'>wrapping_shr</a>(&amp;self, rhs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></code><a class='srclink' href='../../../src/num_traits/ops/wrappin
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