175 lines
66 KiB
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175 lines
66 KiB
HTML
<!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 `LruCache` struct in crate `lru_cache`."><meta name="keywords" content="rust, rustlang, rust-lang, LruCache"><title>lru_cache::LruCache - 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='../lru_cache/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Struct LruCache</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.capacity">capacity</a><a href="#method.clear">clear</a><a href="#method.contains_key">contains_key</a><a href="#method.get_mut">get_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.remove_lru">remove_lru</a><a href="#method.set_capacity">set_capacity</a><a href="#method.with_hasher">with_hasher</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a><a href="#impl-Extend%3C(K%2C%20V)%3E">Extend<(K, V)></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-IntoIterator">IntoIterator</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'>lru_cache</a></p><script>window.sidebarCurrent = {name: 'LruCache', 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"><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><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/lru_cache/lib.rs.html#56-59' title='goto source code'>[src]</a></span><span class='in-band'>Struct <a href='index.html'>lru_cache</a>::<wbr><a class="struct" href=''>LruCache</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust struct'>pub struct LruCache<K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/std/collections/hash/map/struct.RandomState.html" title="struct std::collections::hash::map::RandomState">RandomState</a>> { /* fields omitted */ }</pre></div><div class='docblock'><p>An LRU cache.</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<K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V> <a class="struct" href="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V></code><a href='#impl' class='anchor'></a><a class='srclink' href='../src/lru_cache/lib.rs.html#61-76' 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>(capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> Self</code><a class='srclink' href='../src/lru_cache/lib.rs.html#70-75' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates an empty cache that can hold at most <code>capacity</code> items.</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">use</span> <span class="ident">lru_cache</span>::<span class="ident">LruCache</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span>: <span class="ident">LruCache</span><span class="op"><</span><span class="ident">i32</span>, <span class="kw-2">&</span><span class="ident">str</span><span class="op">></span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">10</span>);</pre></div>
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</div></div><h3 id='impl-1' class='impl'><code class='in-band'>impl<K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</a>> <a class="struct" href="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S></code><a href='#impl-1' class='anchor'></a><a class='srclink' href='../src/lru_cache/lib.rs.html#78-305' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.with_hasher' class="method"><code id='with_hasher.v'>pub fn <a href='#method.with_hasher' class='fnname'>with_hasher</a>(capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, hash_builder: S) -> Self</code><a class='srclink' href='../src/lru_cache/lib.rs.html#80-82' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates an empty cache that can hold at most <code>capacity</code> items with the given hash builder.</p>
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</div><h4 id='method.contains_key' class="method"><code id='contains_key.v'>pub fn <a href='#method.contains_key' class='fnname'>contains_key</a><Q: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(&mut self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a>, </span></code><a class='srclink' href='../src/lru_cache/lib.rs.html#96-101' title='goto source code'>[src]</a></h4><div class='docblock'><p>Checks if the map contains the given key.</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">use</span> <span class="ident">lru_cache</span>::<span class="ident">LruCache</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">1</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="string">"a"</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">contains_key</span>(<span class="kw-2">&</span><span class="number">1</span>), <span class="bool-val">true</span>);</pre></div>
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</div><h4 id='method.insert' class="method"><code id='insert.v'>pub fn <a href='#method.insert' class='fnname'>insert</a>(&mut self, k: K, v: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><V></code><a class='srclink' href='../src/lru_cache/lib.rs.html#118-124' title='goto source code'>[src]</a></h4><div class='docblock'><p>Inserts a key-value pair into the cache. If the key already existed, the old value is
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returned.</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">use</span> <span class="ident">lru_cache</span>::<span class="ident">LruCache</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">2</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="string">"a"</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="string">"b"</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">1</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"a"</span>));
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"b"</span>));</pre></div>
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</div><h4 id='method.get_mut' class="method"><code id='get_mut.v'>pub fn <a href='#method.get_mut' class='fnname'>get_mut</a><Q: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(&mut self, k: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <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>V> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a>, </span></code><a class='srclink' href='../src/lru_cache/lib.rs.html#144-149' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a mutable reference to the value corresponding to the given key in the cache, if
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any.</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">use</span> <span class="ident">lru_cache</span>::<span class="ident">LruCache</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">2</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="string">"a"</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="string">"b"</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="string">"c"</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">3</span>, <span class="string">"d"</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">1</span>), <span class="prelude-val">None</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"c"</span>));</pre></div>
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</div><h4 id='method.remove' class="method"><code id='remove.v'>pub fn <a href='#method.remove' class='fnname'>remove</a><Q: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(&mut self, k: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><V> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a>, </span></code><a class='srclink' href='../src/lru_cache/lib.rs.html#167-172' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes the given key from the cache and returns its corresponding value.</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">use</span> <span class="ident">lru_cache</span>::<span class="ident">LruCache</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">2</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="string">"a"</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">remove</span>(<span class="kw-2">&</span><span class="number">1</span>), <span class="prelude-val">None</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">remove</span>(<span class="kw-2">&</span><span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="string">"a"</span>));
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">remove</span>(<span class="kw-2">&</span><span class="number">2</span>), <span class="prelude-val">None</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">len</span>(), <span class="number">0</span>);</pre></div>
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</div><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><a class='srclink' href='../src/lru_cache/lib.rs.html#183-185' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the maximum number of key-value pairs the cache can hold.</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">use</span> <span class="ident">lru_cache</span>::<span class="ident">LruCache</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span>: <span class="ident">LruCache</span><span class="op"><</span><span class="ident">i32</span>, <span class="kw-2">&</span><span class="ident">str</span><span class="op">></span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">2</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">capacity</span>(), <span class="number">2</span>);</pre></div>
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</div><h4 id='method.set_capacity' class="method"><code id='set_capacity.v'>pub fn <a href='#method.set_capacity' class='fnname'>set_capacity</a>(&mut self, capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><a class='srclink' href='../src/lru_cache/lib.rs.html#219-224' title='goto source code'>[src]</a></h4><div class='docblock'><p>Sets the number of key-value pairs the cache can hold. Removes
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least-recently-used key-value pairs if necessary.</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">use</span> <span class="ident">lru_cache</span>::<span class="ident">LruCache</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">2</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="string">"a"</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="string">"b"</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">3</span>, <span class="string">"c"</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">1</span>), <span class="prelude-val">None</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"b"</span>));
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">3</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"c"</span>));
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<span class="ident">cache</span>.<span class="ident">set_capacity</span>(<span class="number">3</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="string">"a"</span>);
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<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="string">"b"</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">1</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"a"</span>));
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"b"</span>));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">3</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"c"</span>));
|
||
|
||
<span class="ident">cache</span>.<span class="ident">set_capacity</span>(<span class="number">1</span>);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">1</span>), <span class="prelude-val">None</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">2</span>), <span class="prelude-val">None</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">3</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="string">"c"</span>));</pre></div>
|
||
</div><h4 id='method.remove_lru' class="method"><code id='remove_lru.v'>pub fn <a href='#method.remove_lru' class='fnname'>remove_lru</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><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>K, V<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>></code><a class='srclink' href='../src/lru_cache/lib.rs.html#242-244' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes and returns the least recently used key-value pair as a tuple.</p>
|
||
<h1 id="examples-7" class="section-header"><a href="#examples-7">Examples</a></h1>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">lru_cache</span>::<span class="ident">LruCache</span>;
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">2</span>);
|
||
|
||
<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="string">"a"</span>);
|
||
<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="string">"b"</span>);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">remove_lru</span>(), <span class="prelude-val">Some</span>((<span class="number">1</span>, <span class="string">"a"</span>)));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">len</span>(), <span class="number">1</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><a class='srclink' href='../src/lru_cache/lib.rs.html#247' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the number of key-value pairs in the cache.</p>
|
||
</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><a class='srclink' href='../src/lru_cache/lib.rs.html#250' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns <code>true</code> if the cache contains no key-value pairs.</p>
|
||
</div><h4 id='method.clear' class="method"><code id='clear.v'>pub fn <a href='#method.clear' class='fnname'>clear</a>(&mut self)</code><a class='srclink' href='../src/lru_cache/lib.rs.html#253' title='goto source code'>[src]</a></h4><div class='docblock'><p>Removes all key-value pairs from the cache.</p>
|
||
</div><h4 id='method.iter' class="method"><code id='iter.v'>pub fn <a href='#method.iter' class='fnname'>iter</a>(&self) -> <a class="struct" href="../lru_cache/struct.Iter.html" title="struct lru_cache::Iter">Iter</a><K, V></code><a class='srclink' href='../src/lru_cache/lib.rs.html#273' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns an iterator over the cache's key-value pairs in least- to most-recently-used order.</p>
|
||
<p>Accessing the cache through the iterator does <em>not</em> affect the cache's LRU state.</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">lru_cache</span>::<span class="ident">LruCache</span>;
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">2</span>);
|
||
|
||
<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="number">10</span>);
|
||
<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="number">20</span>);
|
||
<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">3</span>, <span class="number">30</span>);
|
||
|
||
<span class="kw">let</span> <span class="ident">kvs</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">cache</span>.<span class="ident">iter</span>().<span class="ident">collect</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">kvs</span>, [(<span class="kw-2">&</span><span class="number">2</span>, <span class="kw-2">&</span><span class="number">20</span>), (<span class="kw-2">&</span><span class="number">3</span>, <span class="kw-2">&</span><span class="number">30</span>)]);</pre></div>
|
||
</div><h4 id='method.iter_mut' class="method"><code id='iter_mut.v'>pub fn <a href='#method.iter_mut' class='fnname'>iter_mut</a>(&mut self) -> <a class="struct" href="../lru_cache/struct.IterMut.html" title="struct lru_cache::IterMut">IterMut</a><K, V></code><a class='srclink' href='../src/lru_cache/lib.rs.html#304' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns an iterator over the cache's key-value pairs in least- to most-recently-used order,
|
||
with mutable references to the values.</p>
|
||
<p>Accessing the cache through the iterator does <em>not</em> affect the cache's LRU state.</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">lru_cache</span>::<span class="ident">LruCache</span>;
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cache</span> <span class="op">=</span> <span class="ident">LruCache</span>::<span class="ident">new</span>(<span class="number">2</span>);
|
||
|
||
<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">1</span>, <span class="number">10</span>);
|
||
<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">2</span>, <span class="number">20</span>);
|
||
<span class="ident">cache</span>.<span class="ident">insert</span>(<span class="number">3</span>, <span class="number">30</span>);
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">n</span> <span class="op">=</span> <span class="number">2</span>;
|
||
|
||
<span class="kw">for</span> (<span class="ident">k</span>, <span class="ident">v</span>) <span class="kw">in</span> <span class="ident">cache</span>.<span class="ident">iter_mut</span>() {
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">*</span><span class="ident">k</span>, <span class="ident">n</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">*</span><span class="ident">v</span>, <span class="ident">n</span> <span class="op">*</span> <span class="number">10</span>);
|
||
<span class="kw-2">*</span><span class="ident">v</span> <span class="kw-2">*</span><span class="op">=</span> <span class="number">10</span>;
|
||
<span class="ident">n</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>;
|
||
}
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">n</span>, <span class="number">4</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="number">200</span>));
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cache</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="number">3</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="number">300</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-Clone' class='impl'><code class='in-band'>impl<K: <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/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, S: <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/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S></code><a href='#impl-Clone' class='anchor'></a><a class='srclink' href='../src/lru_cache/lib.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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S></code><a class='srclink' href='../src/lru_cache/lib.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 hidden"><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 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<K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</a>> <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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S></code><a href='#impl-Debug' class='anchor'></a><a class='srclink' href='../src/lru_cache/lib.rs.html#315-319' 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/lru_cache/lib.rs.html#316-318' 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-Extend%3C(K%2C%20V)%3E' class='impl'><code class='in-band'>impl<K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html" title="trait core::iter::traits::collect::Extend">Extend</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>K, V<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>> for <a class="struct" href="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S></code><a href='#impl-Extend%3C(K%2C%20V)%3E' class='anchor'></a><a class='srclink' href='../src/lru_cache/lib.rs.html#307-313' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.extend' class="method hidden"><code id='extend.v'>fn <a href='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#tymethod.extend' class='fnname'>extend</a><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 = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>K, V<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>>(&mut self, iter: I)</code><a class='srclink' href='../src/lru_cache/lib.rs.html#308-312' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Extends a collection with the contents of an iterator. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#tymethod.extend">Read more</a></p>
|
||
</div></div><h3 id='impl-IntoIterator' class='impl'><code class='in-band'>impl<K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</a>> <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 class="struct" href="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S></code><a href='#impl-IntoIterator' class='anchor'></a><a class='srclink' href='../src/lru_cache/lib.rs.html#321-328' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Item' class="type"><code id='Item.t'>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>K, V<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 id='IntoIter.t'>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="../lru_cache/struct.IntoIter.html" title="struct lru_cache::IntoIter">IntoIter</a><K, V></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 id='into_iter.v'>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="../lru_cache/struct.IntoIter.html" title="struct lru_cache::IntoIter">IntoIter</a><K, V></code><a class='srclink' href='../src/lru_cache/lib.rs.html#325-327' 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, K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</a>> <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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S></code><a href='#impl-IntoIterator-1' class='anchor'></a><a class='srclink' href='../src/lru_cache/lib.rs.html#330-334' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Item-1' class="type"><code id='Item.t-1'>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.reference.html">&'a </a>K, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>V<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 id='IntoIter.t-1'>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="../lru_cache/struct.Iter.html" title="struct lru_cache::Iter">Iter</a><'a, K, V></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 id='into_iter.v-1'>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="../lru_cache/struct.Iter.html" title="struct lru_cache::Iter">Iter</a><'a, K, V></code><a class='srclink' href='../src/lru_cache/lib.rs.html#333' 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><h3 id='impl-IntoIterator-2' class='impl'><code class='in-band'>impl<'a, K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, V, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</a>> <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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S></code><a href='#impl-IntoIterator-2' class='anchor'></a><a class='srclink' href='../src/lru_cache/lib.rs.html#336-340' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Item-2' class="type"><code id='Item.t-2'>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.reference.html">&'a </a>K, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>V<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>
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</div><h4 id='associatedtype.IntoIter-2' class="type"><code id='IntoIter.t-2'>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="../lru_cache/struct.IterMut.html" title="struct lru_cache::IterMut">IterMut</a><'a, K, V></code></h4><div class='docblock'><p>Which kind of iterator are we turning this into?</p>
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||
</div><h4 id='method.into_iter-2' class="method hidden"><code id='into_iter.v-2'>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="../lru_cache/struct.IterMut.html" title="struct lru_cache::IterMut">IterMut</a><'a, K, V></code><a class='srclink' href='../src/lru_cache/lib.rs.html#339' 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<K, V, S> <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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>,<br> S: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>,<br> V: <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></h3><div class='impl-items'></div><h3 id='impl-Send' class='impl'><code class='in-band'>impl<K, V, S> <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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,<br> S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,<br> V: <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></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><code class='in-band'>impl<K, V, S> <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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,<br> S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,<br> V: <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></h3><div class='impl-items'></div><h3 id='impl-Unpin' class='impl'><code class='in-band'>impl<K, V, S> <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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S> <span class="where fmt-newline">where<br> S: <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></h3><div class='impl-items'></div><h3 id='impl-UnwindSafe' class='impl'><code class='in-band'>impl<K, V, S> <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="../lru_cache/struct.LruCache.html" title="struct lru_cache::LruCache">LruCache</a><K, V, S> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>,<br> S: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>,<br> V: <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-UnwindSafe' 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-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#108-112' 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#109-111' 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#213-217' 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#214-216' 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#220-224' 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#221-223' 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#564-568' 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/mod.rs.html#565-567' 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#553-560' 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/mod.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-IntoIterator-3' class='impl'><code class='in-band'>impl<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> for I <span class="where fmt-newline">where<br> I: <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>, </span></code><a href='#impl-IntoIterator-3' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/iter/traits/collect.rs.html#243-250' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Item-3' class="type"><code id='Item.t-3'>type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item' class="type">Item</a> = <I as <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>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a></code></h4><div class='docblock'><p>The type of the elements being iterated over.</p>
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</div><h4 id='associatedtype.IntoIter-3' class="type"><code id='IntoIter.t-3'>type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter' class="type">IntoIter</a> = I</code></h4><div class='docblock'><p>Which kind of iterator are we turning this into?</p>
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</div><h4 id='method.into_iter-3' class="method hidden"><code id='into_iter.v-3'>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) -> I</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/iter/traits/collect.rs.html#247-249' 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><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 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-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#601-610' 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/mod.rs.html#607-609' 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#587-596' 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/mod.rs.html#593-595' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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