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550 lines
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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 `Literal` struct in crate `regex_syntax`."><meta name="keywords" content="rust, rustlang, rust-lang, Literal"><title>regex_syntax::hir::literal::Literal - 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 struct"><!--[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">☰</div><a href='../../../regex_syntax/index.html'><div class='logo-container'><img src='../../../rust-logo.png' alt='logo'></div></a><p class='location'>Struct Literal</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.cut">cut</a><a href="#method.empty">empty</a><a href="#method.is_cut">is_cut</a><a href="#method.new">new</a></div><a class="sidebar-title" href="#deref-methods">Methods from Deref<Target=Vec<u8>></a><div class="sidebar-links"><a href="#method.as_slice">as_slice</a><a href="#method.capacity">capacity</a><a href="#method.is_empty">is_empty</a><a href="#method.len">len</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-AsRef%3C%5Bu8%5D%3E">AsRef<[u8]></a><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a><a href="#impl-Deref">Deref</a><a href="#impl-DerefMut">DerefMut</a><a href="#impl-Eq">Eq</a><a href="#impl-Ord">Ord</a><a href="#impl-PartialEq%3CLiteral%3E">PartialEq<Literal></a><a href="#impl-PartialOrd%3CLiteral%3E">PartialOrd<Literal></a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-ToOwned">ToOwned</a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class='location'><a href='../../index.html'>regex_syntax</a>::<wbr><a href='../index.html'>hir</a>::<wbr><a href='index.html'>literal</a></p><script>window.sidebarCurrent = {name: 'Literal', ty: 'struct', 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='fq
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<p>This type has <code>Deref</code> and <code>DerefMut</code> impls to <code>Vec<u8></code> so that all slice
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and <code>Vec</code> operations are available.</p>
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</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><code class='in-band'>impl <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#879-899' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.new' class="method"><code id='new.v'>pub fn <a href='#method.new' class='fnname'>new</a>(bytes: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>>) -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#881-883' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a new complete literal with the bytes given.</p>
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</div><h4 id='method.empty' class="method"><code id='empty.v'>pub fn <a href='#method.empty' class='fnname'>empty</a>() -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#886-888' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a new complete empty literal.</p>
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</div><h4 id='method.is_cut' class="method"><code id='is_cut.v'>pub fn <a href='#method.is_cut' class='fnname'>is_cut</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#891-893' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns true if this literal was "cut."</p>
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</div><h4 id='method.cut' class="method"><code id='cut.v'>pub fn <a href='#method.cut' class='fnname'>cut</a>(&mut self)</code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#896-898' title='goto source code'>[src]</a></h4><div class='docblock'><p>Cuts this literal.</p>
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</div></div><h2 id='deref-methods' class='small-section-header'>Methods from <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a><Target = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>>><a href='#deref-methods' class='anchor'></a></h2><div class='impl-items'><h4 id='method.capacity' class="method"><code id='capacity.v'>pub fn <a href='#method.capacity' class='fnname'>capacity</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#434-436' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the number of elements the vector can hold without
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reallocating.</p>
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<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="ident">vec</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">with_capacity</span>(<span class="number">10</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">capacity</span>(), <span class="number">10</span>);</pre></div>
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</div><h4 id='method.reserve' class="method"><code id='reserve.v'>pub fn <a href='#method.reserve' class='fnname'>reserve</a>(&mut self, additional: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#456-458' title='goto source code'>[src]</a></h4><div class='docblock'><p>Reserves capacity for at least <code>additional</code> more elements to be inserted
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in the given <code>Vec<T></code>. The collection may reserve more space to avoid
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frequent reallocations. After calling <code>reserve</code>, capacity will be
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greater than or equal to <code>self.len() + additional</code>. Does nothing if
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capacity is already sufficient.</p>
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<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
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<p>Panics if the new capacity overflows <code>usize</code>.</p>
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<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>];
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<span class="ident">vec</span>.<span class="ident">reserve</span>(<span class="number">10</span>);
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">capacity</span>() <span class="op">>=</span> <span class="number">11</span>);</pre></div>
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</div><h4 id='method.reserve_exact' class="method"><code id='reserve_exact.v'>pub fn <a href='#method.reserve_exact' class='fnname'>reserve_exact</a>(&mut self, additional: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#481-483' title='goto source code'>[src]</a></h4><div class='docblock'><p>Reserves the minimum capacity for exactly <code>additional</code> more elements to
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be inserted in the given <code>Vec<T></code>. After calling <code>reserve_exact</code>,
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capacity will be greater than or equal to <code>self.len() + additional</code>.
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Does nothing if the capacity is already sufficient.</p>
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<p>Note that the allocator may give the collection more space than it
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requests. Therefore, capacity can not be relied upon to be precisely
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minimal. Prefer <code>reserve</code> if future insertions are expected.</p>
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<h1 id="panics-1" class="section-header"><a href="#panics-1">Panics</a></h1>
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<p>Panics if the new capacity overflows <code>usize</code>.</p>
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<h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>];
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<span class="ident">vec</span>.<span class="ident">reserve_exact</span>(<span class="number">10</span>);
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">capacity</span>() <span class="op">>=</span> <span class="number">11</span>);</pre></div>
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</div><h4 id='method.try_reserve' class="method"><code id='try_reserve.v'>pub fn <a href='#method.try_reserve' class='fnname'>try_reserve</a>(<br> &mut self, <br> additional: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="https://doc.rust-lang.org/nightly/alloc/collections/enum.CollectionAllocErr.html" title="enum alloc::collections::CollectionAllocErr">CollectionAllocErr</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#518-520' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_reserve</code>)</summary><p>new API</p>
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</details></div></div><div class='docblock'><p>Tries to reserve capacity for at least <code>additional</code> more elements to be inserted
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in the given <code>Vec<T></code>. The collection may reserve more space to avoid
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frequent reallocations. After calling <code>reserve</code>, capacity will be
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greater than or equal to <code>self.len() + additional</code>. Does nothing if
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capacity is already sufficient.</p>
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<h1 id="errors" class="section-header"><a href="#errors">Errors</a></h1>
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<p>If the capacity overflows, or the allocator reports a failure, then an error
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is returned.</p>
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<h1 id="examples-3" class="section-header"><a href="#examples-3">Examples</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">try_reserve</span>)]</span>
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<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">CollectionAllocErr</span>;
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<span class="kw">fn</span> <span class="ident">process_data</span>(<span class="ident">data</span>: <span class="kw-2">&</span>[<span class="ident">u32</span>]) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="ident">CollectionAllocErr</span><span class="op">></span> {
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
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<span class="comment">// Pre-reserve the memory, exiting if we can't</span>
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<span class="ident">output</span>.<span class="ident">try_reserve</span>(<span class="ident">data</span>.<span class="ident">len</span>())<span class="question-mark">?</span>;
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<span class="comment">// Now we know this can't OOM in the middle of our complex work</span>
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<span class="ident">output</span>.<span class="ident">extend</span>(<span class="ident">data</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="kw-2">&</span><span class="ident">val</span><span class="op">|</span> {
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<span class="ident">val</span> <span class="op">*</span> <span class="number">2</span> <span class="op">+</span> <span class="number">5</span> <span class="comment">// very complicated</span>
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}));
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<span class="prelude-val">Ok</span>(<span class="ident">output</span>)
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}</pre></div>
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</div><h4 id='method.try_reserve_exact' class="method"><code id='try_reserve_exact.v'>pub fn <a href='#method.try_reserve_exact' class='fnname'>try_reserve_exact</a>(<br> &mut self, <br> additional: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="https://doc.rust-lang.org/nightly/alloc/collections/enum.CollectionAllocErr.html" title="enum alloc::collections::CollectionAllocErr">CollectionAllocErr</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#558-560' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_reserve</code>)</summary><p>new API</p>
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</details></div></div><div class='docblock'><p>Tries to reserves the minimum capacity for exactly <code>additional</code> more elements to
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be inserted in the given <code>Vec<T></code>. After calling <code>reserve_exact</code>,
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capacity will be greater than or equal to <code>self.len() + additional</code>.
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Does nothing if the capacity is already sufficient.</p>
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<p>Note that the allocator may give the collection more space than it
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requests. Therefore, capacity can not be relied upon to be precisely
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minimal. Prefer <code>reserve</code> if future insertions are expected.</p>
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<h1 id="errors-1" class="section-header"><a href="#errors-1">Errors</a></h1>
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<p>If the capacity overflows, or the allocator reports a failure, then an error
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is returned.</p>
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<h1 id="examples-4" class="section-header"><a href="#examples-4">Examples</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">try_reserve</span>)]</span>
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<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">CollectionAllocErr</span>;
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<span class="kw">fn</span> <span class="ident">process_data</span>(<span class="ident">data</span>: <span class="kw-2">&</span>[<span class="ident">u32</span>]) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="ident">CollectionAllocErr</span><span class="op">></span> {
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
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<span class="comment">// Pre-reserve the memory, exiting if we can't</span>
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<span class="ident">output</span>.<span class="ident">try_reserve</span>(<span class="ident">data</span>.<span class="ident">len</span>())<span class="question-mark">?</span>;
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<span class="comment">// Now we know this can't OOM in the middle of our complex work</span>
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<span class="ident">output</span>.<span class="ident">extend</span>(<span class="ident">data</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="kw-2">&</span><span class="ident">val</span><span class="op">|</span> {
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<span class="ident">val</span> <span class="op">*</span> <span class="number">2</span> <span class="op">+</span> <span class="number">5</span> <span class="comment">// very complicated</span>
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}));
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<span class="prelude-val">Ok</span>(<span class="ident">output</span>)
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}</pre></div>
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</div><h4 id='method.shrink_to_fit' class="method"><code id='shrink_to_fit.v'>pub fn <a href='#method.shrink_to_fit' class='fnname'>shrink_to_fit</a>(&mut self)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#577-581' title='goto source code'>[src]</a></h4><div class='docblock'><p>Shrinks the capacity of the vector as much as possible.</p>
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<p>It will drop down as close as possible to the length but the allocator
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may still inform the vector that there is space for a few more elements.</p>
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<h1 id="examples-5" class="section-header"><a href="#examples-5">Examples</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">with_capacity</span>(<span class="number">10</span>);
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<span class="ident">vec</span>.<span class="ident">extend</span>([<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>].<span class="ident">iter</span>().<span class="ident">cloned</span>());
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">capacity</span>(), <span class="number">10</span>);
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<span class="ident">vec</span>.<span class="ident">shrink_to_fit</span>();
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|
|
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">capacity</span>() <span class="op">>=</span> <span class="number">3</span>);</pre></div>
|
|||
|
|
</div><h4 id='method.shrink_to' class="method"><code id='shrink_to.v'>pub fn <a href='#method.shrink_to' class='fnname'>shrink_to</a>(&mut self, min_capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#604-606' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>shrink_to</code>)</summary><p>new API</p>
|
|||
|
|
</details></div></div><div class='docblock'><p>Shrinks the capacity of the vector with a lower bound.</p>
|
|||
|
|
<p>The capacity will remain at least as large as both the length
|
|||
|
|
and the supplied value.</p>
|
|||
|
|
<p>Panics if the current capacity is smaller than the supplied
|
|||
|
|
minimum capacity.</p>
|
|||
|
|
<h1 id="examples-6" class="section-header"><a href="#examples-6">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">shrink_to</span>)]</span>
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">with_capacity</span>(<span class="number">10</span>);
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">extend</span>([<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>].<span class="ident">iter</span>().<span class="ident">cloned</span>());
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">capacity</span>(), <span class="number">10</span>);
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">shrink_to</span>(<span class="number">4</span>);
|
|||
|
|
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">capacity</span>() <span class="op">>=</span> <span class="number">4</span>);
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">shrink_to</span>(<span class="number">0</span>);
|
|||
|
|
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">capacity</span>() <span class="op">>=</span> <span class="number">3</span>);</pre></div>
|
|||
|
|
</div><h4 id='method.truncate' class="method"><code id='truncate.v'>pub fn <a href='#method.truncate' class='fnname'>truncate</a>(&mut self, len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#685-702' title='goto source code'>[src]</a></h4><div class='docblock'><p>Shortens the vector, keeping the first <code>len</code> elements and dropping
|
|||
|
|
the rest.</p>
|
|||
|
|
<p>If <code>len</code> is greater than the vector's current length, this has no
|
|||
|
|
effect.</p>
|
|||
|
|
<p>The <a href="#method.drain"><code>drain</code></a> method can emulate <code>truncate</code>, but causes the excess
|
|||
|
|
elements to be returned instead of dropped.</p>
|
|||
|
|
<p>Note that this method has no effect on the allocated capacity
|
|||
|
|
of the vector.</p>
|
|||
|
|
<h1 id="examples-7" class="section-header"><a href="#examples-7">Examples</a></h1>
|
|||
|
|
<p>Truncating a five element vector to two elements:</p>
|
|||
|
|
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">truncate</span>(<span class="number">2</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>]);</pre></div>
|
|||
|
|
<p>No truncation occurs when <code>len</code> is greater than the vector's current
|
|||
|
|
length:</p>
|
|||
|
|
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">truncate</span>(<span class="number">8</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>]);</pre></div>
|
|||
|
|
<p>Truncating when <code>len == 0</code> is equivalent to calling the <a href="#method.clear"><code>clear</code></a>
|
|||
|
|
method.</p>
|
|||
|
|
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">truncate</span>(<span class="number">0</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, []);</pre></div>
|
|||
|
|
</div><h4 id='method.as_slice' class="method"><code id='as_slice.v'>pub fn <a href='#method.as_slice' class='fnname'>as_slice</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[T]</a></code><span class='since' title='Stable since Rust version 1.7.0'>1.7.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#717-719' title='goto source code'>[src]</a></h4><div class='docblock'><p>Extracts a slice containing the entire vector.</p>
|
|||
|
|
<p>Equivalent to <code>&s[..]</code>.</p>
|
|||
|
|
<h1 id="examples-8" class="section-header"><a href="#examples-8">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::{<span class="self">self</span>, <span class="ident">Write</span>};
|
|||
|
|
<span class="kw">let</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">5</span>, <span class="number">8</span>];
|
|||
|
|
<span class="ident">io</span>::<span class="ident">sink</span>().<span class="ident">write</span>(<span class="ident">buffer</span>.<span class="ident">as_slice</span>()).<span class="ident">unwrap</span>();</pre></div>
|
|||
|
|
</div><h4 id='method.as_mut_slice' class="method"><code id='as_mut_slice.v'>pub fn <a href='#method.as_mut_slice' class='fnname'>as_mut_slice</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&mut [T]</a></code><span class='since' title='Stable since Rust version 1.7.0'>1.7.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#734-736' title='goto source code'>[src]</a></h4><div class='docblock'><p>Extracts a mutable slice of the entire vector.</p>
|
|||
|
|
<p>Equivalent to <code>&mut s[..]</code>.</p>
|
|||
|
|
<h1 id="examples-9" class="section-header"><a href="#examples-9">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::{<span class="self">self</span>, <span class="ident">Read</span>};
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">0</span>; <span class="number">3</span>];
|
|||
|
|
<span class="ident">io</span>::<span class="ident">repeat</span>(<span class="number">0b101</span>).<span class="ident">read_exact</span>(<span class="ident">buffer</span>.<span class="ident">as_mut_slice</span>()).<span class="ident">unwrap</span>();</pre></div>
|
|||
|
|
</div><h4 id='method.set_len' class="method"><code id='set_len.v'>pub unsafe fn <a href='#method.set_len' class='fnname'>set_len</a>(&mut self, new_len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#818-822' title='goto source code'>[src]</a></h4><div class='docblock'><p>Forces the length of the vector to <code>new_len</code>.</p>
|
|||
|
|
<p>This is a low-level operation that maintains none of the normal
|
|||
|
|
invariants of the type. Normally changing the length of a vector
|
|||
|
|
is done using one of the safe operations instead, such as
|
|||
|
|
<a href="#method.truncate"><code>truncate</code></a>, <a href="#method.resize"><code>resize</code></a>, <a href="#method.extend-1"><code>extend</code></a>, or <a href="#method.clear"><code>clear</code></a>.</p>
|
|||
|
|
<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
|
|||
|
|
<ul>
|
|||
|
|
<li><code>new_len</code> must be less than or equal to <a href="#method.capacity"><code>capacity()</code></a>.</li>
|
|||
|
|
<li>The elements at <code>old_len..new_len</code> must be initialized.</li>
|
|||
|
|
</ul>
|
|||
|
|
<h1 id="examples-10" class="section-header"><a href="#examples-10">Examples</a></h1>
|
|||
|
|
<p>This method can be useful for situations in which the vector
|
|||
|
|
is serving as a buffer for other code, particularly over FFI:</p>
|
|||
|
|
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_dictionary</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">>></span> {
|
|||
|
|
<span class="comment">// Per the FFI method's docs, "32768 bytes is always enough".</span>
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">dict</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">with_capacity</span>(<span class="number">32_768</span>);
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">dict_length</span> <span class="op">=</span> <span class="number">0</span>;
|
|||
|
|
<span class="comment">// SAFETY: When `deflateGetDictionary` returns `Z_OK`, it holds that:</span>
|
|||
|
|
<span class="comment">// 1. `dict_length` elements were initialized.</span>
|
|||
|
|
<span class="comment">// 2. `dict_length` <= the capacity (32_768)</span>
|
|||
|
|
<span class="comment">// which makes `set_len` safe to call.</span>
|
|||
|
|
<span class="kw">unsafe</span> {
|
|||
|
|
<span class="comment">// Make the FFI call...</span>
|
|||
|
|
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">deflateGetDictionary</span>(<span class="self">self</span>.<span class="ident">strm</span>, <span class="ident">dict</span>.<span class="ident">as_mut_ptr</span>(), <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">dict_length</span>);
|
|||
|
|
<span class="kw">if</span> <span class="ident">r</span> <span class="op">==</span> <span class="ident">Z_OK</span> {
|
|||
|
|
<span class="comment">// ...and update the length to what was initialized.</span>
|
|||
|
|
<span class="ident">dict</span>.<span class="ident">set_len</span>(<span class="ident">dict_length</span>);
|
|||
|
|
<span class="prelude-val">Some</span>(<span class="ident">dict</span>)
|
|||
|
|
} <span class="kw">else</span> {
|
|||
|
|
<span class="prelude-val">None</span>
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}</pre></div>
|
|||
|
|
<p>While the following example is sound, there is a memory leak since
|
|||
|
|
the inner vectors were not freed prior to the <code>set_len</code> call:</p>
|
|||
|
|
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>],
|
|||
|
|
<span class="macro">vec</span><span class="macro">!</span>[<span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>],
|
|||
|
|
<span class="macro">vec</span><span class="macro">!</span>[<span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>]];
|
|||
|
|
<span class="comment">// SAFETY:</span>
|
|||
|
|
<span class="comment">// 1. `old_len..0` is empty so no elements need to be initialized.</span>
|
|||
|
|
<span class="comment">// 2. `0 <= capacity` always holds whatever `capacity` is.</span>
|
|||
|
|
<span class="kw">unsafe</span> {
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">set_len</span>(<span class="number">0</span>);
|
|||
|
|
}</pre></div>
|
|||
|
|
<p>Normally, here, one would use <a href="#method.clear"><code>clear</code></a> instead to correctly drop
|
|||
|
|
the contents and thus not leak memory.</p>
|
|||
|
|
</div><h4 id='method.swap_remove' class="method"><code id='swap_remove.v'>pub fn <a href='#method.swap_remove' class='fnname'>swap_remove</a>(&mut self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> T</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#847-857' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes an element from the vector and returns it.</p>
|
|||
|
|
<p>The removed element is replaced by the last element of the vector.</p>
|
|||
|
|
<p>This does not preserve ordering, but is O(1).</p>
|
|||
|
|
<h1 id="panics-2" class="section-header"><a href="#panics-2">Panics</a></h1>
|
|||
|
|
<p>Panics if <code>index</code> is out of bounds.</p>
|
|||
|
|
<h1 id="examples-11" class="section-header"><a href="#examples-11">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">v</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"foo"</span>, <span class="string">"bar"</span>, <span class="string">"baz"</span>, <span class="string">"qux"</span>];
|
|||
|
|
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>.<span class="ident">swap_remove</span>(<span class="number">1</span>), <span class="string">"bar"</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>, [<span class="string">"foo"</span>, <span class="string">"qux"</span>, <span class="string">"baz"</span>]);
|
|||
|
|
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>.<span class="ident">swap_remove</span>(<span class="number">0</span>), <span class="string">"foo"</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>, [<span class="string">"baz"</span>, <span class="string">"qux"</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.insert' class="method"><code id='insert.v'>pub fn <a href='#method.insert' class='fnname'>insert</a>(&mut self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, element: T)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#876-899' title='goto source code'>[src]</a></h4><div class='docblock'><p>Inserts an element at position <code>index</code> within the vector, shifting all
|
|||
|
|
elements after it to the right.</p>
|
|||
|
|
<h1 id="panics-3" class="section-header"><a href="#panics-3">Panics</a></h1>
|
|||
|
|
<p>Panics if <code>index > len</code>.</p>
|
|||
|
|
<h1 id="examples-12" class="section-header"><a href="#examples-12">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="number">4</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">4</span>, <span class="number">2</span>, <span class="number">3</span>]);
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">insert</span>(<span class="number">4</span>, <span class="number">5</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">4</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">5</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.remove' class="method"><code id='remove.v'>pub fn <a href='#method.remove' class='fnname'>remove</a>(&mut self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> T</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#916-935' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes and returns the element at position <code>index</code> within the vector,
|
|||
|
|
shifting all elements after it to the left.</p>
|
|||
|
|
<h1 id="panics-4" class="section-header"><a href="#panics-4">Panics</a></h1>
|
|||
|
|
<p>Panics if <code>index</code> is out of bounds.</p>
|
|||
|
|
<h1 id="examples-13" class="section-header"><a href="#examples-13">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">v</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>.<span class="ident">remove</span>(<span class="number">1</span>), <span class="number">2</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>, [<span class="number">1</span>, <span class="number">3</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.retain' class="method"><code id='retain.v'>pub fn <a href='#method.retain' class='fnname'>retain</a><F>(&mut self, f: F) <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, </span></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#961-965' title='goto source code'>[src]</a></h4><div class='docblock'><p>Retains only the elements specified by the predicate.</p>
|
|||
|
|
<p>In other words, remove all elements <code>e</code> such that <code>f(&e)</code> returns <code>false</code>.
|
|||
|
|
This method operates in place, visiting each element exactly once in the
|
|||
|
|
original order, and preserves the order of the retained elements.</p>
|
|||
|
|
<h1 id="examples-14" class="section-header"><a href="#examples-14">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">retain</span>(<span class="op">|</span><span class="kw-2">&</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span><span class="op">%</span><span class="number">2</span> <span class="op">==</span> <span class="number">0</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">2</span>, <span class="number">4</span>]);</pre></div>
|
|||
|
|
<p>The exact order may be useful for tracking external state, like an index.</p>
|
|||
|
|
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>];
|
|||
|
|
<span class="kw">let</span> <span class="ident">keep</span> <span class="op">=</span> [<span class="bool-val">false</span>, <span class="bool-val">true</span>, <span class="bool-val">true</span>, <span class="bool-val">false</span>, <span class="bool-val">true</span>];
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">i</span> <span class="op">=</span> <span class="number">0</span>;
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">retain</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> (<span class="ident">keep</span>[<span class="ident">i</span>], <span class="ident">i</span> <span class="op">+=</span> <span class="number">1</span>).<span class="number">0</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">2</span>, <span class="number">3</span>, <span class="number">5</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.dedup_by_key' class="method"><code id='dedup_by_key.v'>pub fn <a href='#method.dedup_by_key' class='fnname'>dedup_by_key</a><F, K>(&mut self, key: F) <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T) -> K,<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><K>, </span></code><span class='since' title='Stable since Rust version 1.16.0'>1.16.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#983-985' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes all but the first of consecutive elements in the vector that resolve to the same
|
|||
|
|
key.</p>
|
|||
|
|
<p>If the vector is sorted, this removes all duplicates.</p>
|
|||
|
|
<h1 id="examples-15" class="section-header"><a href="#examples-15">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">10</span>, <span class="number">20</span>, <span class="number">21</span>, <span class="number">30</span>, <span class="number">20</span>];
|
|||
|
|
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">dedup_by_key</span>(<span class="op">|</span><span class="ident">i</span><span class="op">|</span> <span class="kw-2">*</span><span class="ident">i</span> <span class="op">/</span> <span class="number">10</span>);
|
|||
|
|
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>, <span class="number">20</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.dedup_by' class="method"><code id='dedup_by.v'>pub fn <a href='#method.dedup_by' class='fnname'>dedup_by</a><F>(&mut self, same_bucket: F) <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, </span></code><span class='since' title='Stable since Rust version 1.16.0'>1.16.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1006-1012' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes all but the first of consecutive elements in the vector satisfying a given equality
|
|||
|
|
relation.</p>
|
|||
|
|
<p>The <code>same_bucket</code> function is passed references to two elements from the vector and
|
|||
|
|
must determine if the elements compare equal. The elements are passed in opposite order
|
|||
|
|
from their order in the slice, so if <code>same_bucket(a, b)</code> returns <code>true</code>, <code>a</code> is removed.</p>
|
|||
|
|
<p>If the vector is sorted, this removes all duplicates.</p>
|
|||
|
|
<h1 id="examples-16" class="section-header"><a href="#examples-16">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"foo"</span>, <span class="string">"bar"</span>, <span class="string">"Bar"</span>, <span class="string">"baz"</span>, <span class="string">"bar"</span>];
|
|||
|
|
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">dedup_by</span>(<span class="op">|</span><span class="ident">a</span>, <span class="ident">b</span><span class="op">|</span> <span class="ident">a</span>.<span class="ident">eq_ignore_ascii_case</span>(<span class="ident">b</span>));
|
|||
|
|
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="string">"foo"</span>, <span class="string">"bar"</span>, <span class="string">"baz"</span>, <span class="string">"bar"</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.push' class="method"><code id='push.v'>pub fn <a href='#method.push' class='fnname'>push</a>(&mut self, value: T)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1029-1040' title='goto source code'>[src]</a></h4><div class='docblock'><p>Appends an element to the back of a collection.</p>
|
|||
|
|
<h1 id="panics-5" class="section-header"><a href="#panics-5">Panics</a></h1>
|
|||
|
|
<p>Panics if the number of elements in the vector overflows a <code>usize</code>.</p>
|
|||
|
|
<h1 id="examples-17" class="section-header"><a href="#examples-17">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">push</span>(<span class="number">3</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.pop' class="method"><code id='pop.v'>pub fn <a href='#method.pop' class='fnname'>pop</a>(&mut self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><T></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1056-1065' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes the last element from a vector and returns it, or <a href="../../std/option/enum.Option.html#variant.None"><code>None</code></a> if it
|
|||
|
|
is empty.</p>
|
|||
|
|
<h1 id="examples-18" class="section-header"><a href="#examples-18">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>.<span class="ident">pop</span>(), <span class="prelude-val">Some</span>(<span class="number">3</span>));
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.append' class="method"><code id='append.v'>pub fn <a href='#method.append' class='fnname'>append</a>(&mut self, other: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><T>)</code><span class='since' title='Stable since Rust version 1.4.0'>1.4.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1084-1089' title='goto source code'>[src]</a></h4><div class='docblock'><p>Moves all the elements of <code>other</code> into <code>Self</code>, leaving <code>other</code> empty.</p>
|
|||
|
|
<h1 id="panics-6" class="section-header"><a href="#panics-6">Panics</a></h1>
|
|||
|
|
<p>Panics if the number of elements in the vector overflows a <code>usize</code>.</p>
|
|||
|
|
<h1 id="examples-19" class="section-header"><a href="#examples-19">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec2</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">append</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">vec2</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>]);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec2</span>, []);</pre></div>
|
|||
|
|
</div><h4 id='method.drain' class="method"><code id='drain.v'>pub fn <a href='#method.drain' class='fnname'>drain</a><R>(&mut self, range: R) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Drain.html" title="struct alloc::vec::Drain">Drain</a><T> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/range/trait.RangeBounds.html" title="trait core::ops::range::RangeBounds">RangeBounds</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>>, </span></code><span class='since' title='Stable since Rust version 1.6.0'>1.6.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1128-1169' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a draining iterator that removes the specified range in the vector
|
|||
|
|
and yields the removed items.</p>
|
|||
|
|
<p>Note 1: The element range is removed even if the iterator is only
|
|||
|
|
partially consumed or not consumed at all.</p>
|
|||
|
|
<p>Note 2: It is unspecified how many elements are removed from the vector
|
|||
|
|
if the <code>Drain</code> value is leaked.</p>
|
|||
|
|
<h1 id="panics-7" class="section-header"><a href="#panics-7">Panics</a></h1>
|
|||
|
|
<p>Panics if the starting point is greater than the end point or if
|
|||
|
|
the end point is greater than the length of the vector.</p>
|
|||
|
|
<h1 id="examples-20" class="section-header"><a href="#examples-20">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">v</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="kw">let</span> <span class="ident">u</span>: <span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">></span> <span class="op">=</span> <span class="ident">v</span>.<span class="ident">drain</span>(<span class="number">1</span>..).<span class="ident">collect</span>();
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>, <span class="kw-2">&</span>[<span class="number">1</span>]);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">u</span>, <span class="kw-2">&</span>[<span class="number">2</span>, <span class="number">3</span>]);
|
|||
|
|
|
|||
|
|
<span class="comment">// A full range clears the vector</span>
|
|||
|
|
<span class="ident">v</span>.<span class="ident">drain</span>(..);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>, <span class="kw-2">&</span>[]);</pre></div>
|
|||
|
|
</div><h4 id='method.clear' class="method"><code id='clear.v'>pub fn <a href='#method.clear' class='fnname'>clear</a>(&mut self)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1187-1189' title='goto source code'>[src]</a></h4><div class='docblock'><p>Clears the vector, removing all values.</p>
|
|||
|
|
<p>Note that this method has no effect on the allocated capacity
|
|||
|
|
of the vector.</p>
|
|||
|
|
<h1 id="examples-21" class="section-header"><a href="#examples-21">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">v</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
|
|||
|
|
<span class="ident">v</span>.<span class="ident">clear</span>();
|
|||
|
|
|
|||
|
|
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">v</span>.<span class="ident">is_empty</span>());</pre></div>
|
|||
|
|
</div><h4 id='method.len' class="method"><code id='len.v'>pub fn <a href='#method.len' class='fnname'>len</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1202-1204' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the number of elements in the vector, also referred to
|
|||
|
|
as its 'length'.</p>
|
|||
|
|
<h1 id="examples-22" class="section-header"><a href="#examples-22">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="ident">len</span>(), <span class="number">3</span>);</pre></div>
|
|||
|
|
</div><h4 id='method.is_empty' class="method"><code id='is_empty.v'>pub fn <a href='#method.is_empty' class='fnname'>is_empty</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1218-1220' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns <code>true</code> if the vector contains no elements.</p>
|
|||
|
|
<h1 id="examples-23" class="section-header"><a href="#examples-23">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">v</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
|
|||
|
|
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">v</span>.<span class="ident">is_empty</span>());
|
|||
|
|
|
|||
|
|
<span class="ident">v</span>.<span class="ident">push</span>(<span class="number">1</span>);
|
|||
|
|
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">v</span>.<span class="ident">is_empty</span>());</pre></div>
|
|||
|
|
</div><h4 id='method.split_off' class="method"><code id='split_off.v'>pub fn <a href='#method.split_off' class='fnname'>split_off</a>(&mut self, at: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><T></code><span class='since' title='Stable since Rust version 1.4.0'>1.4.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1243-1259' title='goto source code'>[src]</a></h4><div class='docblock'><p>Splits the collection into two at the given index.</p>
|
|||
|
|
<p>Returns a newly allocated <code>Self</code>. <code>self</code> contains elements <code>[0, at)</code>,
|
|||
|
|
and the returned <code>Self</code> contains elements <code>[at, len)</code>.</p>
|
|||
|
|
<p>Note that the capacity of <code>self</code> does not change.</p>
|
|||
|
|
<h1 id="panics-8" class="section-header"><a href="#panics-8">Panics</a></h1>
|
|||
|
|
<p>Panics if <code>at > len</code>.</p>
|
|||
|
|
<h1 id="examples-24" class="section-header"><a href="#examples-24">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>,<span class="number">2</span>,<span class="number">3</span>];
|
|||
|
|
<span class="kw">let</span> <span class="ident">vec2</span> <span class="op">=</span> <span class="ident">vec</span>.<span class="ident">split_off</span>(<span class="number">1</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>]);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec2</span>, [<span class="number">2</span>, <span class="number">3</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.resize_with' class="method"><code id='resize_with.v'>pub fn <a href='#method.resize_with' class='fnname'>resize_with</a><F>(&mut self, new_len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, f: F) <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>() -> T, </span></code><span class='since' title='Stable since Rust version 1.33.0'>1.33.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1291-1300' title='goto source code'>[src]</a></h4><div class='docblock'><p>Resizes the <code>Vec</code> in-place so that <code>len</code> is equal to <code>new_len</code>.</p>
|
|||
|
|
<p>If <code>new_len</code> is greater than <code>len</code>, the <code>Vec</code> is extended by the
|
|||
|
|
difference, with each additional slot filled with the result of
|
|||
|
|
calling the closure <code>f</code>. The return values from <code>f</code> will end up
|
|||
|
|
in the <code>Vec</code> in the order they have been generated.</p>
|
|||
|
|
<p>If <code>new_len</code> is less than <code>len</code>, the <code>Vec</code> is simply truncated.</p>
|
|||
|
|
<p>This method uses a closure to create new values on every push. If
|
|||
|
|
you'd rather <a href="../../std/clone/trait.Clone.html"><code>Clone</code></a> a given value, use <a href="#method.resize"><code>resize</code></a>. If you want
|
|||
|
|
to use the [<code>Default</code>] trait to generate values, you can pass
|
|||
|
|
[<code>Default::default()</code>] as the second argument.</p>
|
|||
|
|
<h1 id="examples-25" class="section-header"><a href="#examples-25">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">resize_with</span>(<span class="number">5</span>, <span class="ident">Default</span>::<span class="ident">default</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>]);
|
|||
|
|
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[];
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="number">1</span>;
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">resize_with</span>(<span class="number">4</span>, <span class="op">||</span> { <span class="ident">p</span> <span class="op">*=</span> <span class="number">2</span>; <span class="ident">p</span> });
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">2</span>, <span class="number">4</span>, <span class="number">8</span>, <span class="number">16</span>]);</pre></div>
|
|||
|
|
</div></div><div class='impl-items'><h4 id='method.resize' class="method"><code id='resize.v'>pub fn <a href='#method.resize' class='fnname'>resize</a>(&mut self, new_len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, value: T)</code><span class='since' title='Stable since Rust version 1.5.0'>1.5.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1330-1338' title='goto source code'>[src]</a></h4><div class='docblock'><p>Resizes the <code>Vec</code> in-place so that <code>len</code> is equal to <code>new_len</code>.</p>
|
|||
|
|
<p>If <code>new_len</code> is greater than <code>len</code>, the <code>Vec</code> is extended by the
|
|||
|
|
difference, with each additional slot filled with <code>value</code>.
|
|||
|
|
If <code>new_len</code> is less than <code>len</code>, the <code>Vec</code> is simply truncated.</p>
|
|||
|
|
<p>This method requires <a href="../../std/clone/trait.Clone.html"><code>Clone</code></a> to be able clone the passed value. If
|
|||
|
|
you need more flexibility (or want to rely on <a href="../../std/default/trait.Default.html"><code>Default</code></a> instead of
|
|||
|
|
<a href="../../std/clone/trait.Clone.html"><code>Clone</code></a>), use <a href="#method.resize_with"><code>resize_with</code></a>.</p>
|
|||
|
|
<h1 id="examples-26" class="section-header"><a href="#examples-26">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"hello"</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">resize</span>(<span class="number">3</span>, <span class="string">"world"</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="string">"hello"</span>, <span class="string">"world"</span>, <span class="string">"world"</span>]);
|
|||
|
|
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">resize</span>(<span class="number">2</span>, <span class="number">0</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.extend_from_slice' class="method"><code id='extend_from_slice.v'>pub fn <a href='#method.extend_from_slice' class='fnname'>extend_from_slice</a>(&mut self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[T]</a>)</code><span class='since' title='Stable since Rust version 1.6.0'>1.6.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1360-1362' title='goto source code'>[src]</a></h4><div class='docblock'><p>Clones and appends all elements in a slice to the <code>Vec</code>.</p>
|
|||
|
|
<p>Iterates over the slice <code>other</code>, clones each element, and then appends
|
|||
|
|
it to this <code>Vec</code>. The <code>other</code> vector is traversed in-order.</p>
|
|||
|
|
<p>Note that this function is same as <a href="#method.extend"><code>extend</code></a> except that it is
|
|||
|
|
specialized to work with slices instead. If and when Rust gets
|
|||
|
|
specialization this function will likely be deprecated (but still
|
|||
|
|
available).</p>
|
|||
|
|
<h1 id="examples-27" class="section-header"><a href="#examples-27">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">extend_from_slice</span>(<span class="kw-2">&</span>[<span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>]);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>]);</pre></div>
|
|||
|
|
</div></div><div class='impl-items'><h4 id='method.resize_default' class="method"><code id='resize_default.v'>pub fn <a href='#method.resize_default' class='fnname'>resize_default</a>(&mut self, new_len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1398-1406' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab deprecated'>Deprecated since 1.33.0: <p>This is moving towards being removed in favor of <code>.resize_with(Default::default)</code>. If you disagree, please comment in the tracking issue.</p>
|
|||
|
|
</div><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>vec_resize_default</code>)</div></div><div class='docblock'><p>Resizes the <code>Vec</code> in-place so that <code>len</code> is equal to <code>new_len</code>.</p>
|
|||
|
|
<p>If <code>new_len</code> is greater than <code>len</code>, the <code>Vec</code> is extended by the
|
|||
|
|
difference, with each additional slot filled with <a href="../../std/default/trait.Default.html#tymethod.default"><code>Default::default()</code></a>.
|
|||
|
|
If <code>new_len</code> is less than <code>len</code>, the <code>Vec</code> is simply truncated.</p>
|
|||
|
|
<p>This method uses <a href="../../std/default/trait.Default.html"><code>Default</code></a> to create new values on every push. If
|
|||
|
|
you'd rather <a href="../../std/clone/trait.Clone.html"><code>Clone</code></a> a given value, use <a href="#method.resize"><code>resize</code></a>.</p>
|
|||
|
|
<h1 id="examples-28" class="section-header"><a href="#examples-28">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">vec_resize_default</span>)]</span>
|
|||
|
|
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">resize_default</span>(<span class="number">5</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>]);
|
|||
|
|
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>];
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">resize_default</span>(<span class="number">2</span>);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>]);</pre></div>
|
|||
|
|
</div></div><div class='impl-items'><h4 id='method.dedup' class="method"><code id='dedup.v'>pub fn <a href='#method.dedup' class='fnname'>dedup</a>(&mut self)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1515-1517' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes consecutive repeated elements in the vector according to the
|
|||
|
|
[<code>PartialEq</code>] trait implementation.</p>
|
|||
|
|
<p>If the vector is sorted, this removes all duplicates.</p>
|
|||
|
|
<h1 id="examples-29" class="section-header"><a href="#examples-29">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">2</span>];
|
|||
|
|
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">dedup</span>();
|
|||
|
|
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">2</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.remove_item' class="method"><code id='remove_item.v'>pub fn <a href='#method.remove_item' class='fnname'>remove_item</a>(&mut self, item: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><T></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1532-1535' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>vec_remove_item</code>)</summary><p>recently added</p>
|
|||
|
|
</details></div></div><div class='docblock'><p>Removes the first instance of <code>item</code> from the vector if the item exists.</p>
|
|||
|
|
<h1 id="examples-30" class="section-header"><a href="#examples-30">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">1</span>];
|
|||
|
|
|
|||
|
|
<span class="ident">vec</span>.<span class="ident">remove_item</span>(<span class="kw-2">&</span><span class="number">1</span>);
|
|||
|
|
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">vec</span>, <span class="macro">vec</span><span class="macro">!</span>[<span class="number">2</span>, <span class="number">3</span>, <span class="number">1</span>]);</pre></div>
|
|||
|
|
</div></div><div class='impl-items'><h4 id='method.splice' class="method"><code id='splice.v'>pub fn <a href='#method.splice' class='fnname'>splice</a><R, I>(<br> &mut self, <br> range: R, <br> replace_with: I<br>) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Splice.html" title="struct alloc::vec::Splice">Splice</a><<I as <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a>> <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a><Item = T>,<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/range/trait.RangeBounds.html" title="trait core::ops::range::RangeBounds">RangeBounds</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>>, </span></code><span class='since' title='Stable since Rust version 1.21.0'>1.21.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#1990-1997' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a splicing iterator that replaces the specified range in the vector
|
|||
|
|
with the given <code>replace_with</code> iterator and yields the removed items.
|
|||
|
|
<code>replace_with</code> does not need to be the same length as <code>range</code>.</p>
|
|||
|
|
<p>Note 1: The element range is removed even if the iterator is not
|
|||
|
|
consumed until the end.</p>
|
|||
|
|
<p>Note 2: It is unspecified how many elements are removed from the vector,
|
|||
|
|
if the <code>Splice</code> value is leaked.</p>
|
|||
|
|
<p>Note 3: The input iterator <code>replace_with</code> is only consumed
|
|||
|
|
when the <code>Splice</code> value is dropped.</p>
|
|||
|
|
<p>Note 4: This is optimal if:</p>
|
|||
|
|
<ul>
|
|||
|
|
<li>The tail (elements in the vector after <code>range</code>) is empty,</li>
|
|||
|
|
<li>or <code>replace_with</code> yields fewer elements than <code>range</code>’s length</li>
|
|||
|
|
<li>or the lower bound of its <code>size_hint()</code> is exact.</li>
|
|||
|
|
</ul>
|
|||
|
|
<p>Otherwise, a temporary vector is allocated and the tail is moved twice.</p>
|
|||
|
|
<h1 id="panics-9" class="section-header"><a href="#panics-9">Panics</a></h1>
|
|||
|
|
<p>Panics if the starting point is greater than the end point or if
|
|||
|
|
the end point is greater than the length of the vector.</p>
|
|||
|
|
<h1 id="examples-31" class="section-header"><a href="#examples-31">Examples</a></h1>
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">v</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>];
|
|||
|
|
<span class="kw">let</span> <span class="ident">new</span> <span class="op">=</span> [<span class="number">7</span>, <span class="number">8</span>];
|
|||
|
|
<span class="kw">let</span> <span class="ident">u</span>: <span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">></span> <span class="op">=</span> <span class="ident">v</span>.<span class="ident">splice</span>(..<span class="number">2</span>, <span class="ident">new</span>.<span class="ident">iter</span>().<span class="ident">cloned</span>()).<span class="ident">collect</span>();
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v</span>, <span class="kw-2">&</span>[<span class="number">7</span>, <span class="number">8</span>, <span class="number">3</span>]);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">u</span>, <span class="kw-2">&</span>[<span class="number">1</span>, <span class="number">2</span>]);</pre></div>
|
|||
|
|
</div><h4 id='method.drain_filter' class="method"><code id='drain_filter.v'>pub fn <a href='#method.drain_filter' class='fnname'>drain_filter</a><F>(&mut self, filter: F) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.DrainFilter.html" title="struct alloc::vec::DrainFilter">DrainFilter</a><T, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, </span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/vec.rs.html#2045-2060' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>drain_filter</code>)</summary><p>recently added</p>
|
|||
|
|
</details></div></div><div class='docblock'><p>Creates an iterator which uses a closure to determine if an element should be removed.</p>
|
|||
|
|
<p>If the closure returns true, then the element is removed and yielded.
|
|||
|
|
If the closure returns false, the element will remain in the vector and will not be yielded
|
|||
|
|
by the iterator.</p>
|
|||
|
|
<p>Using this method is equivalent to the following code:</p>
|
|||
|
|
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">i</span> <span class="op">=</span> <span class="number">0</span>;
|
|||
|
|
<span class="kw">while</span> <span class="ident">i</span> <span class="op">!=</span> <span class="ident">vec</span>.<span class="ident">len</span>() {
|
|||
|
|
<span class="kw">if</span> <span class="ident">some_predicate</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">vec</span>[<span class="ident">i</span>]) {
|
|||
|
|
<span class="kw">let</span> <span class="ident">val</span> <span class="op">=</span> <span class="ident">vec</span>.<span class="ident">remove</span>(<span class="ident">i</span>);
|
|||
|
|
<span class="comment">// your code here</span>
|
|||
|
|
} <span class="kw">else</span> {
|
|||
|
|
<span class="ident">i</span> <span class="op">+=</span> <span class="number">1</span>;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
</pre></div>
|
|||
|
|
<p>But <code>drain_filter</code> is easier to use. <code>drain_filter</code> is also more efficient,
|
|||
|
|
because it can backshift the elements of the array in bulk.</p>
|
|||
|
|
<p>Note that <code>drain_filter</code> also lets you mutate every element in the filter closure,
|
|||
|
|
regardless of whether you choose to keep or remove it.</p>
|
|||
|
|
<h1 id="examples-32" class="section-header"><a href="#examples-32">Examples</a></h1>
|
|||
|
|
<p>Splitting an array into evens and odds, reusing the original allocation:</p>
|
|||
|
|
|
|||
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
|||
|
|
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">drain_filter</span>)]</span>
|
|||
|
|
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">numbers</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">11</span>, <span class="number">13</span>, <span class="number">14</span>, <span class="number">15</span>];
|
|||
|
|
|
|||
|
|
<span class="kw">let</span> <span class="ident">evens</span> <span class="op">=</span> <span class="ident">numbers</span>.<span class="ident">drain_filter</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="kw-2">*</span><span class="ident">x</span> <span class="op">%</span> <span class="number">2</span> <span class="op">==</span> <span class="number">0</span>).<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">>></span>();
|
|||
|
|
<span class="kw">let</span> <span class="ident">odds</span> <span class="op">=</span> <span class="ident">numbers</span>;
|
|||
|
|
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">evens</span>, <span class="macro">vec</span><span class="macro">!</span>[<span class="number">2</span>, <span class="number">4</span>, <span class="number">6</span>, <span class="number">8</span>, <span class="number">14</span>]);
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">odds</span>, <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">3</span>, <span class="number">5</span>, <span class="number">9</span>, <span class="number">11</span>, <span class="number">13</span>, <span class="number">15</span>]);</pre></div>
|
|||
|
|
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-PartialEq%3CLiteral%3E' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a>> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-PartialEq%3CLiteral%3E' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#901-905' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.eq' class="method hidden"><code id='eq.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, other: &<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#902-904' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
|
|||
|
|
</div><h4 id='method.ne' class="method"><code id='ne.v'><div class="docblock attributes">#[must_use]
|
|||
|
|
</div>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#200' title='goto source code'>[src]</a></h4><div class='docblock'><p>This method tests for <code>!=</code>.</p>
|
|||
|
|
</div></div><h3 id='impl-AsRef%3C%5Bu8%5D%3E' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-AsRef%3C%5Bu8%5D%3E' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#923-925' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.as_ref' class="method hidden"><code id='as_ref.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html#tymethod.as_ref' class='fnname'>as_ref</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#924' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
|||
|
|
</div></div><h3 id='impl-Clone' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-Clone' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#55' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.clone' class="method hidden"><code id='clone.v'>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#55' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
|
|||
|
|
</div><h4 id='method.clone_from' class="method"><code id='clone_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#131-133' title='goto source code'>[src]</a></h4><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
|
|||
|
|
</div></div><h3 id='impl-Ord' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-Ord' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#55' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.cmp' class="method hidden"><code id='cmp.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#tymethod.cmp' class='fnname'>cmp</a>(&self, other: &<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#55' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method returns an <code>Ordering</code> between <code>self</code> and <code>other</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#tymethod.cmp">Read more</a></p>
|
|||
|
|
</div><h4 id='method.max' class="method"><code id='max.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.max' class='fnname'>max</a>(self, other: Self) -> Self</code><span class='since' title='Stable since Rust version 1.21.0'>1.21.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#549-552' title='goto source code'>[src]</a></h4><div class='docblock'><p>Compares and returns the maximum of two values. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.max">Read more</a></p>
|
|||
|
|
</div><h4 id='method.min' class="method"><code id='min.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.min' class='fnname'>min</a>(self, other: Self) -> Self</code><span class='since' title='Stable since Rust version 1.21.0'>1.21.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#566-569' title='goto source code'>[src]</a></h4><div class='docblock'><p>Compares and returns the minimum of two values. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.min">Read more</a></p>
|
|||
|
|
</div><h4 id='method.clamp' class="method"><code id='clamp.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.clamp' class='fnname'>clamp</a>(self, min: Self, max: Self) -> Self</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#590-600' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>clamp</code>)</div></div><div class='docblock'><p>Restrict a value to a certain interval. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.clamp">Read more</a></p>
|
|||
|
|
</div></div><h3 id='impl-Eq' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-Eq' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#55' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-PartialOrd%3CLiteral%3E' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a><<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a>> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-PartialOrd%3CLiteral%3E' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#907-911' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.partial_cmp' class="method hidden"><code id='partial_cmp.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#tymethod.partial_cmp' class='fnname'>partial_cmp</a>(&self, other: &<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#908-910' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#tymethod.partial_cmp">Read more</a></p>
|
|||
|
|
</div><h4 id='method.lt' class="method"><code id='lt.v'><div class="docblock attributes">#[must_use]
|
|||
|
|
</div>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.lt' class='fnname'>lt</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#772-777' title='goto source code'>[src]</a></h4><div class='docblock'><p>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code><</code> operator. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.lt">Read more</a></p>
|
|||
|
|
</div><h4 id='method.le' class="method"><code id='le.v'><div class="docblock attributes">#[must_use]
|
|||
|
|
</div>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.le' class='fnname'>le</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#794-799' title='goto source code'>[src]</a></h4><div class='docblock'><p>This method tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code><=</code> operator. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.le">Read more</a></p>
|
|||
|
|
</div><h4 id='method.gt' class="method"><code id='gt.v'><div class="docblock attributes">#[must_use]
|
|||
|
|
</div>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.gt' class='fnname'>gt</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#815-820' title='goto source code'>[src]</a></h4><div class='docblock'><p>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>></code> operator. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.gt">Read more</a></p>
|
|||
|
|
</div><h4 id='method.ge' class="method"><code id='ge.v'><div class="docblock attributes">#[must_use]
|
|||
|
|
</div>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.ge' class='fnname'>ge</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#837-842' title='goto source code'>[src]</a></h4><div class='docblock'><p>This method tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>>=</code> operator. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.ge">Read more</a></p>
|
|||
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</div></div><h3 id='impl-Deref' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-Deref' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#927-930' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Target' class="type"><code id='Target.t'>type <a href='https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target' class="type">Target</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>></code></h4><div class='docblock'><p>The resulting type after dereferencing.</p>
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</div><h4 id='method.deref' class="method hidden"><code id='deref.v'>fn <a href='https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#tymethod.deref' class='fnname'>deref</a>(&self) -> &<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#929' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Dereferences the value.</p>
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</div></div><h3 id='impl-DerefMut' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.DerefMut.html" title="trait core::ops::deref::DerefMut">DerefMut</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-DerefMut' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#932-934' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.deref_mut' class="method hidden"><code id='deref_mut.v'>fn <a href='https://doc.rust-lang.org/nightly/core/ops/deref/trait.DerefMut.html#tymethod.deref_mut' class='fnname'>deref_mut</a>(&mut self) -> &mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#933' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably dereferences the value.</p>
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</div></div><h3 id='impl-Debug' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-Debug' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#913-921' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt' class="method hidden"><code id='fmt.v'>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#914-920' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
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</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Send' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-Send' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a></code><a href='#impl-Sync' class='anchor'></a></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-From%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</code><a href='#impl-From%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#546-548' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method hidden"><code id='from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#547' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-ToOwned' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, </span></code><a href='#impl-ToOwned' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#81-92' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Owned' class="type"><code id='Owned.t'>type <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned' class="type">Owned</a> = T</code></h4><div class='docblock'><p>The resulting type after obtaining ownership.</p>
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</div><h4 id='method.to_owned' class="method hidden"><code id='to_owned.v'>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned' class='fnname'>to_owned</a>(&self) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#85-87' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
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</div><h4 id='method.clone_into' class="method hidden"><code id='clone_into.v'>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into' class='fnname'>clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89-91' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
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</details></div></div><div class='docblock hidden'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
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</div></div><h3 id='impl-Into%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href='#impl-Into%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#537-542' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code id='into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(self) -> U</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#539-541' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-TryFrom%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#565-571' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code id='Error.t'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_from' class="method hidden"><code id='try_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#568-570' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-TryInto%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#553-560' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code id='Error.t-1'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_into' class="method hidden"><code id='try_into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#557-559' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-BorrowMut%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code id='borrow_mut.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
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</div></div><h3 id='impl-Borrow%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-215' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code id='borrow.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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</div></div><h3 id='impl-Any' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#100-102' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code id='type_id.v'>fn <a href='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id' class='fnname'>type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#101' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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</div></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g., <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g., <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g., <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../../";window.currentCrate = "regex_syntax";</script><script src="../../../aliases.js"></script><script src="../../../main.js"></script><script defer src="../../../search-index.js"></script></body></html>
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