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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 `Slab` struct in crate `slab`."><meta name="keywords" content="rust, rustlang, rust-lang, Slab"><title>slab::Slab - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><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='../slab/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><p class="location">Struct Slab</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.capacity">capacity</a><a href="#method.clear">clear</a><a href="#method.contains">contains</a><a href="#method.drain">drain</a><a href="#method.get">get</a><a href="#method.get_mut">get_mut</a><a href="#method.get_unchecked">get_unchecked</a><a href="#method.get_unchecked_mut">get_unchecked_mut</a><a href="#method.insert">insert</a><a href="#method.is_empty">is_empty</a><a href="#method.iter">iter</a><a href="#method.iter_mut">iter_mut</a><a href="#method.len">len</a><a href="#method.new">new</a><a href="#method.remove">remove</a><a href="#method.reserve">reserve</a><a href="#method.reserve_exact">reserve_exact</a><a href="#method.retain">retain</a><a href="#method.shrink_to_fit">shrink_to_fit</a><a href="#method.vacant_entry">vacant_entry</a><a href="#method.with_capacity">with_capacity</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a><a href="#impl-Default">Default</a><a href="#impl-Index%3Cusize%3E">Index<usize></a><a href="#impl-IndexMut%3Cusize%3E">IndexMut<usize></a><a href="#impl-IntoIterator">IntoIterator</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">UnwindSafe</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">slab</a></p><div id="sidebar-vars" data-name="Slab" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Struct <a href="index.html">slab</a>::<wbr><a class="struct" href="">Slab</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span><a class="srclink" href="../src/slab/lib.rs.html#116-126" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct Slab<T> { /* fields omitted */ }</pre></div><div class="docblock"><p>Pre-allocated storage for a uniform data type</p>
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<p>See the <a href="index.html">module documentation</a> for more details.</p>
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</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl<T> <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a href="#impl" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#183-781" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.new" class="method"><code>pub fn <a href="#method.new" class="fnname">new</a>() -> <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a class="srclink" href="../src/slab/lib.rs.html#195-197" title="goto source code">[src]</a></h4><div class="docblock"><p>Construct a new, empty <code>Slab</code>.</p>
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<p>The function does not allocate and the returned slab will have no
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capacity until <code>insert</code> is called or capacity is explicitly reserved.</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">slab</span>: <span class="ident">Slab</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();</pre></div>
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</div><h4 id="method.with_capacity" class="method"><code>pub fn <a href="#method.with_capacity" class="fnname">with_capacity</a>(capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a class="srclink" href="../src/slab/lib.rs.html#226-232" title="goto source code">[src]</a></h4><div class="docblock"><p>Construct a new, empty <code>Slab</code> with the specified capacity.</p>
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<p>The returned slab will be able to store exactly <code>capacity</code> without
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reallocating. If <code>capacity</code> is 0, the slab will not allocate.</p>
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<p>It is important to note that this function does not specify the <em>length</em>
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of the returned slab, but only the capacity. For an explanation of the
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difference between length and capacity, see <a href="index.html#capacity-and-reallocation">Capacity and
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reallocation</a>.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">with_capacity</span>(<span class="number">10</span>);
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<span class="comment">// The slab contains no values, even though it has capacity for more</span>
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">len</span>(), <span class="number">0</span>);
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<span class="comment">// These are all done without reallocating...</span>
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<span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">0</span>..<span class="number">10</span> {
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="ident">i</span>);
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}
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<span class="comment">// ...but this may make the slab reallocate</span>
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">11</span>);</pre></div>
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</div><h4 id="method.capacity" class="method"><code>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><a class="srclink" href="../src/slab/lib.rs.html#243-245" title="goto source code">[src]</a></h4><div class="docblock"><p>Return the number of values the slab can store without reallocating.</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="ident">slab</span>: <span class="ident">Slab</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span> <span class="op">=</span> <span class="ident">Slab</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">slab</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>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><a class="srclink" href="../src/slab/lib.rs.html#273-279" title="goto source code">[src]</a></h4><div class="docblock"><p>Reserve capacity for at least <code>additional</code> more values to be stored
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without allocating.</p>
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<p><code>reserve</code> does nothing if the slab already has sufficient capacity for
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<code>additional</code> more values. If more capacity is required, a new segment of
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memory will be allocated and all existing values will be copied into it.
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As such, if the slab is already very large, a call to <code>reserve</code> can end
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up being expensive.</p>
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<p>The slab may reserve more than <code>additional</code> extra space in order to
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avoid frequent reallocations. Use <code>reserve_exact</code> instead to guarantee
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that only the requested space is allocated.</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-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="kw">let</span> <span class="kw-2">mut</span> <span class="ident">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="string">"hello"</span>);
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<span class="ident">slab</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">slab</span>.<span class="ident">capacity</span>() <span class="op">></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>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><a class="srclink" href="../src/slab/lib.rs.html#307-313" title="goto source code">[src]</a></h4><div class="docblock"><p>Reserve the minimum capacity required to store exactly <code>additional</code>
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more values.</p>
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<p><code>reserve_exact</code> does nothing if the slab already has sufficient capacity
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for <code>additional</code> more valus. If more capacity is required, a new segment
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of memory will be allocated and all existing values will be copied into
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it. As such, if the slab is already very large, a call to <code>reserve</code> can
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end up being expensive.</p>
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<p>Note that the allocator may give the slab more space than it requests.
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Therefore capacity can not be relied upon to be precisely minimal.
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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-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="kw">let</span> <span class="kw-2">mut</span> <span class="ident">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="string">"hello"</span>);
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<span class="ident">slab</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">slab</span>.<span class="ident">capacity</span>() <span class="op">></span><span class="op">=</span> <span class="number">11</span>);</pre></div>
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</div><h4 id="method.shrink_to_fit" class="method"><code>pub fn <a href="#method.shrink_to_fit" class="fnname">shrink_to_fit</a>(&mut self)</code><a class="srclink" href="../src/slab/lib.rs.html#355-357" title="goto source code">[src]</a></h4><div class="docblock"><p>Shrink the capacity of the slab 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.
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Also, since values are not moved, the slab cannot shrink past any stored
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values.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">with_capacity</span>(<span class="number">10</span>);
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<span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">0</span>..<span class="number">3</span> {
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="ident">i</span>);
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}
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">capacity</span>(), <span class="number">10</span>);
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<span class="ident">slab</span>.<span class="ident">shrink_to_fit</span>();
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">capacity</span>() <span class="op">></span><span class="op">=</span> <span class="number">3</span>);</pre></div>
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<p>In this case, even though two values are removed, the slab cannot shrink
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past the last value.</p>
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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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">with_capacity</span>(<span class="number">10</span>);
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<span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">0</span>..<span class="number">3</span> {
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="ident">i</span>);
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}
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<span class="ident">slab</span>.<span class="ident">remove</span>(<span class="number">0</span>);
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<span class="ident">slab</span>.<span class="ident">remove</span>(<span class="number">1</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">capacity</span>(), <span class="number">10</span>);
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<span class="ident">slab</span>.<span class="ident">shrink_to_fit</span>();
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">capacity</span>() <span class="op">></span><span class="op">=</span> <span class="number">3</span>);</pre></div>
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</div><h4 id="method.clear" class="method"><code>pub fn <a href="#method.clear" class="fnname">clear</a>(&mut self)</code><a class="srclink" href="../src/slab/lib.rs.html#374-378" title="goto source code">[src]</a></h4><div class="docblock"><p>Clear the slab of all values.</p>
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<h1 id="examples-6" class="section-header"><a href="#examples-6">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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
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<span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">0</span>..<span class="number">3</span> {
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="ident">i</span>);
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}
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<span class="ident">slab</span>.<span class="ident">clear</span>();
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">is_empty</span>());</pre></div>
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</div><h4 id="method.len" class="method"><code>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><a class="srclink" href="../src/slab/lib.rs.html#394-396" title="goto source code">[src]</a></h4><div class="docblock"><p>Return the number of stored values.</p>
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<h1 id="examples-7" class="section-header"><a href="#examples-7">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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
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<span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">0</span>..<span class="number">3</span> {
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="ident">i</span>);
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}
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">3</span>, <span class="ident">slab</span>.<span class="ident">len</span>());</pre></div>
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</div><h4 id="method.is_empty" class="method"><code>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><a class="srclink" href="../src/slab/lib.rs.html#410-412" title="goto source code">[src]</a></h4><div class="docblock"><p>Return <code>true</code> if there are no values stored in the slab.</p>
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<h1 id="examples-8" class="section-header"><a href="#examples-8">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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">is_empty</span>());
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<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">1</span>);
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<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">slab</span>.<span class="ident">is_empty</span>());</pre></div>
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</div><h4 id="method.iter" class="method"><code>pub fn <a href="#method.iter" class="fnname">iter</a>(&self) -> <a class="struct" href="../slab/struct.Iter.html" title="struct slab::Iter">Iter</a><'_, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../slab/struct.Iter.html" title="struct slab::Iter">Iter</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="../slab/struct.Iter.html" title="struct slab::Iter">Iter</a><'a, T></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span></code><a class="srclink" href="../src/slab/lib.rs.html#438-443" title="goto source code">[src]</a></h4><div class="docblock"><p>Return an iterator over the slab.</p>
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<p>This function should generally be <strong>avoided</strong> as it is not efficient.
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Iterators must iterate over every slot in the slab even if it is
|
||
vacant. As such, a slab with a capacity of 1 million but only one
|
||
stored value must still iterate the million slots.</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">let</span> <span class="kw-2">mut</span> <span class="ident">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
|
||
<span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">0</span>..<span class="number">3</span> {
|
||
<span class="ident">slab</span>.<span class="ident">insert</span>(<span class="ident">i</span>);
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">iterator</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">iter</span>();
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">iterator</span>.<span class="ident">next</span>(), <span class="prelude-val">Some</span>((<span class="number">0</span>, <span class="kw-2">&</span><span class="number">0</span>)));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">iterator</span>.<span class="ident">next</span>(), <span class="prelude-val">Some</span>((<span class="number">1</span>, <span class="kw-2">&</span><span class="number">1</span>)));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">iterator</span>.<span class="ident">next</span>(), <span class="prelude-val">Some</span>((<span class="number">2</span>, <span class="kw-2">&</span><span class="number">2</span>)));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">iterator</span>.<span class="ident">next</span>(), <span class="prelude-val">None</span>);</pre></div>
|
||
</div><h4 id="method.iter_mut" class="method"><code>pub fn <a href="#method.iter_mut" class="fnname">iter_mut</a>(&mut self) -> <a class="struct" href="../slab/struct.IterMut.html" title="struct slab::IterMut">IterMut</a><'_, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../slab/struct.IterMut.html" title="struct slab::IterMut">IterMut</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="../slab/struct.IterMut.html" title="struct slab::IterMut">IterMut</a><'a, T></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span></code><a class="srclink" href="../src/slab/lib.rs.html#470-475" title="goto source code">[src]</a></h4><div class="docblock"><p>Return an iterator that allows modifying each value.</p>
|
||
<p>This function should generally be <strong>avoided</strong> as it is not efficient.
|
||
Iterators must iterate over every slot in the slab even if it is
|
||
vacant. As such, a slab with a capacity of 1 million but only one
|
||
stored value must still iterate the million slots.</p>
|
||
<h1 id="examples-10" class="section-header"><a href="#examples-10">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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">key1</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">0</span>);
|
||
<span class="kw">let</span> <span class="ident">key2</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">1</span>);
|
||
|
||
<span class="kw">for</span> (<span class="ident">key</span>, <span class="ident">val</span>) <span class="kw">in</span> <span class="ident">slab</span>.<span class="ident">iter_mut</span>() {
|
||
<span class="kw">if</span> <span class="ident">key</span> <span class="op">=</span><span class="op">=</span> <span class="ident">key1</span> {
|
||
<span class="kw-2">*</span><span class="ident">val</span> <span class="op">+</span><span class="op">=</span> <span class="number">2</span>;
|
||
}
|
||
}
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>[<span class="ident">key1</span>], <span class="number">2</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>[<span class="ident">key2</span>], <span class="number">1</span>);</pre></div>
|
||
</div><h4 id="method.get" class="method"><code>pub fn <a href="#method.get" class="fnname">get</a>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</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="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T></code><a class="srclink" href="../src/slab/lib.rs.html#492-497" title="goto source code">[src]</a></h4><div class="docblock"><p>Return a reference to the value associated with the given key.</p>
|
||
<p>If the given key is not associated with a value, then <code>None</code> is
|
||
returned.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
<span class="kw">let</span> <span class="ident">key</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="string">"hello"</span>);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">get</span>(<span class="ident">key</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="string">"hello"</span>));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">get</span>(<span class="number">123</span>), <span class="prelude-val">None</span>);</pre></div>
|
||
</div><h4 id="method.get_mut" class="method"><code>pub fn <a href="#method.get_mut" class="fnname">get_mut</a>(&mut self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</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="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T></code><a class="srclink" href="../src/slab/lib.rs.html#516-521" title="goto source code">[src]</a></h4><div class="docblock"><p>Return a mutable reference to the value associated with the given key.</p>
|
||
<p>If the given key is not associated with a value, then <code>None</code> is
|
||
returned.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
<span class="kw">let</span> <span class="ident">key</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="string">"hello"</span>);
|
||
|
||
<span class="kw-2">*</span><span class="ident">slab</span>.<span class="ident">get_mut</span>(<span class="ident">key</span>).<span class="ident">unwrap</span>() <span class="op">=</span> <span class="string">"world"</span>;
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>[<span class="ident">key</span>], <span class="string">"world"</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">get_mut</span>(<span class="number">123</span>), <span class="prelude-val">None</span>);</pre></div>
|
||
</div><h4 id="method.get_unchecked" class="method"><code>pub unsafe fn <a href="#method.get_unchecked" class="fnname">get_unchecked</a>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class="srclink" href="../src/slab/lib.rs.html#539-544" title="goto source code">[src]</a></h4><div class="docblock"><p>Return a reference to the value associated with the given key without
|
||
performing bounds checking.</p>
|
||
<p>This function should be used with care.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
<span class="kw">let</span> <span class="ident">key</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">2</span>);
|
||
|
||
<span class="kw">unsafe</span> {
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">get_unchecked</span>(<span class="ident">key</span>), <span class="kw-2">&</span><span class="number">2</span>);
|
||
}</pre></div>
|
||
</div><h4 id="method.get_unchecked_mut" class="method"><code>pub unsafe fn <a href="#method.get_unchecked_mut" class="fnname">get_unchecked_mut</a>(&mut self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class="srclink" href="../src/slab/lib.rs.html#565-570" title="goto source code">[src]</a></h4><div class="docblock"><p>Return a mutable reference to the value associated with the given key
|
||
without performing bounds checking.</p>
|
||
<p>This function should be used with care.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
<span class="kw">let</span> <span class="ident">key</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">2</span>);
|
||
|
||
<span class="kw">unsafe</span> {
|
||
<span class="kw">let</span> <span class="ident">val</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">get_unchecked_mut</span>(<span class="ident">key</span>);
|
||
<span class="kw-2">*</span><span class="ident">val</span> <span class="op">=</span> <span class="number">13</span>;
|
||
}
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>[<span class="ident">key</span>], <span class="number">13</span>);</pre></div>
|
||
</div><h4 id="method.insert" class="method"><code>pub fn <a href="#method.insert" class="fnname">insert</a>(&mut self, val: T) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a class="srclink" href="../src/slab/lib.rs.html#590-596" title="goto source code">[src]</a></h4><div class="docblock"><p>Insert a value in the slab, returning key assigned to the value.</p>
|
||
<p>The returned key can later be used to retrieve or remove the value using indexed
|
||
lookup and <code>remove</code>. Additional capacity is allocated if needed. See
|
||
<a href="index.html#capacity-and-reallocation">Capacity and reallocation</a>.</p>
|
||
<h1 id="panics-2" class="section-header"><a href="#panics-2">Panics</a></h1>
|
||
<p>Panics if the number of elements in the vector overflows a <code>usize</code>.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
<span class="kw">let</span> <span class="ident">key</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="string">"hello"</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>[<span class="ident">key</span>], <span class="string">"hello"</span>);</pre></div>
|
||
</div><h4 id="method.vacant_entry" class="method"><code>pub fn <a href="#method.vacant_entry" class="fnname">vacant_entry</a>(&mut self) -> <a class="struct" href="../slab/struct.VacantEntry.html" title="struct slab::VacantEntry">VacantEntry</a><'_, T></code><a class="srclink" href="../src/slab/lib.rs.html#621-626" title="goto source code">[src]</a></h4><div class="docblock"><p>Return a handle to a vacant entry allowing for further manipulation.</p>
|
||
<p>This function is useful when creating values that must contain their
|
||
slab key. The returned <code>VacantEntry</code> reserves a slot in the slab and is
|
||
able to query the associated key.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">hello</span> <span class="op">=</span> {
|
||
<span class="kw">let</span> <span class="ident">entry</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">vacant_entry</span>();
|
||
<span class="kw">let</span> <span class="ident">key</span> <span class="op">=</span> <span class="ident">entry</span>.<span class="ident">key</span>();
|
||
|
||
<span class="ident">entry</span>.<span class="ident">insert</span>((<span class="ident">key</span>, <span class="string">"hello"</span>));
|
||
<span class="ident">key</span>
|
||
};
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">hello</span>, <span class="ident">slab</span>[<span class="ident">hello</span>].<span class="number">0</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"hello"</span>, <span class="ident">slab</span>[<span class="ident">hello</span>].<span class="number">1</span>);</pre></div>
|
||
</div><h4 id="method.remove" class="method"><code>pub fn <a href="#method.remove" class="fnname">remove</a>(&mut self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> T</code><a class="srclink" href="../src/slab/lib.rs.html#666-682" title="goto source code">[src]</a></h4><div class="docblock"><p>Remove and return the value associated with the given key.</p>
|
||
<p>The key is then released and may be associated with future stored
|
||
values.</p>
|
||
<h1 id="panics-3" class="section-header"><a href="#panics-3">Panics</a></h1>
|
||
<p>Panics if <code>key</code> is not associated with a value.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">hello</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="string">"hello"</span>);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">remove</span>(<span class="ident">hello</span>), <span class="string">"hello"</span>);
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">slab</span>.<span class="ident">contains</span>(<span class="ident">hello</span>));</pre></div>
|
||
</div><h4 id="method.contains" class="method"><code>pub fn <a href="#method.contains" class="fnname">contains</a>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class="srclink" href="../src/slab/lib.rs.html#699-707" title="goto source code">[src]</a></h4><div class="docblock"><p>Return <code>true</code> if a value is associated with the given key.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">hello</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="string">"hello"</span>);
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">contains</span>(<span class="ident">hello</span>));
|
||
|
||
<span class="ident">slab</span>.<span class="ident">remove</span>(<span class="ident">hello</span>);
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">slab</span>.<span class="ident">contains</span>(<span class="ident">hello</span>));</pre></div>
|
||
</div><h4 id="method.retain" class="method"><code>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.usize.html">usize</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="../src/slab/lib.rs.html#733-747" title="goto source code">[src]</a></h4><div class="docblock"><p>Retain only the elements specified by the predicate.</p>
|
||
<p>In other words, remove all elements <code>e</code> such that <code>f(usize, &mut e)</code>
|
||
returns false. This method operates in place and preserves the key
|
||
associated with the retained values.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">k1</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">0</span>);
|
||
<span class="kw">let</span> <span class="ident">k2</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="ident">k3</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">2</span>);
|
||
|
||
<span class="ident">slab</span>.<span class="ident">retain</span>(<span class="op">|</span><span class="ident">key</span>, <span class="ident">val</span><span class="op">|</span> <span class="ident">key</span> <span class="op">=</span><span class="op">=</span> <span class="ident">k1</span> <span class="op">|</span><span class="op">|</span> <span class="kw-2">*</span><span class="ident">val</span> <span class="op">=</span><span class="op">=</span> <span class="number">1</span>);
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">contains</span>(<span class="ident">k1</span>));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">contains</span>(<span class="ident">k2</span>));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">slab</span>.<span class="ident">contains</span>(<span class="ident">k3</span>));
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">2</span>, <span class="ident">slab</span>.<span class="ident">len</span>());</pre></div>
|
||
</div><h4 id="method.drain" class="method"><code>pub fn <a href="#method.drain" class="fnname">drain</a>(&mut self) -> <a class="struct" href="../slab/struct.Drain.html" title="struct slab::Drain">Drain</a><'_, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../slab/struct.Drain.html" title="struct slab::Drain">Drain</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="../slab/struct.Drain.html" title="struct slab::Drain">Drain</a><'a, T></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" class="type">Item</a> = T;</span></code></span></div></span></span></code><a class="srclink" href="../src/slab/lib.rs.html#776-780" title="goto source code">[src]</a></h4><div class="docblock"><p>Return a draining iterator that removes all elements from the slab and
|
||
yields the removed items.</p>
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||
<p>Note: Elements are removed even if the iterator is only partially
|
||
consumed or not consumed at all.</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">slab</span> <span class="op">=</span> <span class="ident">Slab</span>::<span class="ident">new</span>();
|
||
|
||
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">0</span>);
|
||
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">1</span>);
|
||
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">insert</span>(<span class="number">2</span>);
|
||
|
||
{
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">drain</span> <span class="op">=</span> <span class="ident">slab</span>.<span class="ident">drain</span>();
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="number">0</span>), <span class="ident">drain</span>.<span class="ident">next</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="number">1</span>), <span class="ident">drain</span>.<span class="ident">next</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="number">2</span>), <span class="ident">drain</span>.<span class="ident">next</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">None</span>, <span class="ident">drain</span>.<span class="ident">next</span>());
|
||
}
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">slab</span>.<span class="ident">is_empty</span>());</pre></div>
|
||
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Clone" class="impl"><code class="in-band">impl<T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> <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="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a href="#impl-Clone" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#115" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.clone" class="method hidden"><code>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="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a class="srclink" href="../src/slab/lib.rs.html#115" 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 hidden"><code>pub 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#128" title="goto source code">[src]</a></h4><div class='docblock hidden'><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-Debug" class="impl"><code class="in-band">impl<T> <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="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>, </span></code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#821-833" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&self, fmt: &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/slab/lib.rs.html#825-832" 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>
|
||
</div></div><h3 id="impl-Default" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a href="#impl-Default" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#128-132" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.default" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default" class="fnname">default</a>() -> Self</code><a class="srclink" href="../src/slab/lib.rs.html#129-131" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Returns the "default value" for a type. <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default">Read more</a></p>
|
||
</div></div><h3 id="impl-Index%3Cusize%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/index/trait.Index.html" title="trait core::ops::index::Index">Index</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>> for <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a href="#impl-Index%3Cusize%3E" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#783-792" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Output" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/ops/index/trait.Index.html#associatedtype.Output" class="type">Output</a> = T</code></h4><div class='docblock'><p>The returned type after indexing.</p>
|
||
</div><h4 id="method.index" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/ops/index/trait.Index.html#tymethod.index" class="fnname">index</a>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class="srclink" href="../src/slab/lib.rs.html#786-791" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the indexing (<code>container[index]</code>) operation.</p>
|
||
</div></div><h3 id="impl-IndexMut%3Cusize%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/index/trait.IndexMut.html" title="trait core::ops::index::IndexMut">IndexMut</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>> for <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a href="#impl-IndexMut%3Cusize%3E" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#794-801" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.index_mut" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/ops/index/trait.IndexMut.html#tymethod.index_mut" class="fnname">index_mut</a>(&mut self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class="srclink" href="../src/slab/lib.rs.html#795-800" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the mutable indexing (<code>container[index]</code>) operation.</p>
|
||
</div></div><h3 id="impl-IntoIterator" class="impl"><code class="in-band">impl<'a, T> <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> for &'a <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a href="#impl-IntoIterator" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#803-810" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Item" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></h4><div class='docblock'><p>The type of the elements being iterated over.</p>
|
||
</div><h4 id="associatedtype.IntoIter" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" class="type">IntoIter</a> = <a class="struct" href="../slab/struct.Iter.html" title="struct slab::Iter">Iter</a><'a, T></code></h4><div class='docblock'><p>Which kind of iterator are we turning this into?</p>
|
||
</div><h4 id="method.into_iter" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter" class="fnname">into_iter</a>(self) -> <a class="struct" href="../slab/struct.Iter.html" title="struct slab::Iter">Iter</a><'a, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../slab/struct.Iter.html" title="struct slab::Iter">Iter</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="../slab/struct.Iter.html" title="struct slab::Iter">Iter</a><'a, T></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span></code><a class="srclink" href="../src/slab/lib.rs.html#807-809" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Creates an iterator from a value. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
|
||
</div></div><h3 id="impl-IntoIterator-1" class="impl"><code class="in-band">impl<'a, T> <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> for &'a mut <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T></code><a href="#impl-IntoIterator-1" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#812-819" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Item-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></h4><div class='docblock'><p>The type of the elements being iterated over.</p>
|
||
</div><h4 id="associatedtype.IntoIter-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" class="type">IntoIter</a> = <a class="struct" href="../slab/struct.IterMut.html" title="struct slab::IterMut">IterMut</a><'a, T></code></h4><div class='docblock'><p>Which kind of iterator are we turning this into?</p>
|
||
</div><h4 id="method.into_iter-1" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter" class="fnname">into_iter</a>(self) -> <a class="struct" href="../slab/struct.IterMut.html" title="struct slab::IterMut">IterMut</a><'a, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../slab/struct.IterMut.html" title="struct slab::IterMut">IterMut</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="../slab/struct.IterMut.html" title="struct slab::IterMut">IterMut</a><'a, T></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span></code><a class="srclink" href="../src/slab/lib.rs.html#816-818" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Creates an iterator from a value. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">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-RefUnwindSafe" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>, </span></code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl<T> <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="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </span></code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl<T> <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="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>, </span></code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>, </span></code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../slab/struct.Slab.html" title="struct slab::Slab">Slab</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../src/slab/lib.rs.html#1" title="goto source code">[src]</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-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#131-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub 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#132" 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><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#207-211" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub 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#208" 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-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#214-218" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub 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#215" 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-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/mod.rs.html#545-549" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub 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/mod.rs.html#546" 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-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/mod.rs.html#534-541" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub 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/mod.rs.html#538" 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#80-92" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Owned" class="type"><code>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>pub 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" 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>pub 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" title="goto source code">[src]</a></h4><div class="item-info 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-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/mod.rs.html#582-591" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>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>pub 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/mod.rs.html#588" 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/mod.rs.html#568-577" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>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>pub 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/mod.rs.html#574" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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