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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="A cache represents a partially computed forward and reverse DFA."><title>Cache in regex_automata::hybrid::regex - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="regex_automata" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../regex_automata/index.html">regex_automata</a><span class="version">0.4.6</span></h2></div><h2 class="location"><a href="#">Cache</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.as_parts">as_parts</a></li><li><a href="#method.as_parts_mut">as_parts_mut</a></li><li><a href="#method.forward">forward</a></li><li><a href="#method.forward_mut">forward_mut</a></li><li><a href="#method.memory_usage">memory_usage</a></li><li><a href="#method.new">new</a></li><li><a href="#method.reset">reset</a></li><li><a href="#method.reverse">reverse</a></li><li><a href="#method.reverse_mut">reverse_mut</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-Cache">Clone</a></li><li><a href="#impl-Debug-for-Cache">Debug</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-Cache">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Cache">Send</a></li><li><a href="#impl-Sync-for-Cache">Sync</a></li><li><a href="#impl-Unpin-for-Cache">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Cache">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-T">From&lt;T&gt;</a></li><li><a hr
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../../regex_automata/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Struct <a href="../../index.html">regex_automata</a>::<wbr><a href="../index.html">hybrid</a>::<wbr><a href="index.html">regex</a>::<wbr><a class="struct" href="#">Cache</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../../src/regex_automata/hybrid/regex.rs.html#601-604">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub struct Cache { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A cache represents a partially computed forward and reverse DFA.</p>
<p>A cache is the key component that differentiates a classical DFA and a
hybrid NFA/DFA (also called a “lazy DFA”). Where a classical DFA builds a
complete transition table that can handle all possible inputs, a hybrid
NFA/DFA starts with an empty transition table and builds only the parts
required during search. The parts that are built are stored in a cache. For
this reason, a cache is a required parameter for nearly every operation on
a <a href="struct.Regex.html" title="struct regex_automata::hybrid::regex::Regex"><code>Regex</code></a>.</p>
<p>Caches can be created from their corresponding <code>Regex</code> via
<a href="struct.Regex.html#method.create_cache" title="method regex_automata::hybrid::regex::Regex::create_cache"><code>Regex::create_cache</code></a>. A cache can only be used with either the <code>Regex</code>
that created it, or the <code>Regex</code> that was most recently used to reset it
with <a href="struct.Cache.html#method.reset" title="method regex_automata::hybrid::regex::Cache::reset"><code>Cache::reset</code></a>. Using a cache with any other <code>Regex</code> may result in
panics or incorrect results.</p>
</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Cache" class="impl"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#606-709">source</a><a href="#impl-Cache" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.Cache.html" title="struct regex_automata::hybrid::regex::Cache">Cache</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#612-616">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>(re: &amp;<a class="struct" href="struct.Regex.html" title="struct regex_automata::hybrid::regex::Regex">Regex</a>) -&gt; <a class="struct" href="struct.Cache.html" title="struct regex_automata::hybrid::regex::Cache">Cache</a></h4></section></summary><div class="docblock"><p>Create a new cache for the given <code>Regex</code>.</p>
<p>The cache returned should only be used for searches for the given
<code>Regex</code>. If you want to reuse the cache for another <code>Regex</code>, then you
must call <a href="struct.Cache.html#method.reset" title="method regex_automata::hybrid::regex::Cache::reset"><code>Cache::reset</code></a> with that <code>Regex</code>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.reset" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#659-662">source</a><h4 class="code-header">pub fn <a href="#method.reset" class="fn">reset</a>(&amp;mut self, re: &amp;<a class="struct" href="struct.Regex.html" title="struct regex_automata::hybrid::regex::Regex">Regex</a>)</h4></section></summary><div class="docblock"><p>Reset this cache such that it can be used for searching with the given
<code>Regex</code> (and only that <code>Regex</code>).</p>
<p>A cache reset permits reusing memory already allocated in this cache
with a different <code>Regex</code>.</p>
<p>Resetting a cache sets its “clear count” to 0. This is relevant if the
<code>Regex</code> has been configured to “give up” after it has cleared the cache
a certain number of times.</p>
<h5 id="example"><a href="#example">Example</a></h5>
<p>This shows how to re-purpose a cache for use with a different <code>Regex</code>.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>regex_automata::{hybrid::regex::Regex, Match};
<span class="kw">let </span>re1 = Regex::new(<span class="string">r"\w"</span>)<span class="question-mark">?</span>;
<span class="kw">let </span>re2 = Regex::new(<span class="string">r"\W"</span>)<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>cache = re1.create_cache();
<span class="macro">assert_eq!</span>(
<span class="prelude-val">Some</span>(Match::must(<span class="number">0</span>, <span class="number">0</span>..<span class="number">2</span>)),
re1.find(<span class="kw-2">&amp;mut </span>cache, <span class="string">"Δ"</span>),
);
<span class="comment">// Using 'cache' with re2 is not allowed. It may result in panics or
// incorrect results. In order to re-purpose the cache, we must reset
// it with the Regex we'd like to use it with.
//
// Similarly, after this reset, using the cache with 're1' is also not
// allowed.
</span>cache.reset(<span class="kw-2">&amp;</span>re2);
<span class="macro">assert_eq!</span>(
<span class="prelude-val">Some</span>(Match::must(<span class="number">0</span>, <span class="number">0</span>..<span class="number">3</span>)),
re2.find(<span class="kw-2">&amp;mut </span>cache, <span class="string">"☃"</span>),
);
</code></pre></div>
</div></details><details class="toggle method-toggle" open><summary><section id="method.forward" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#665-667">source</a><h4 class="code-header">pub fn <a href="#method.forward" class="fn">forward</a>(&amp;mut self) -&gt; &amp;<a class="struct" href="../dfa/struct.Cache.html" title="struct regex_automata::hybrid::dfa::Cache">Cache</a></h4></section></summary><div class="docblock"><p>Return a reference to the forward cache.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.reverse" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#670-672">source</a><h4 class="code-header">pub fn <a href="#method.reverse" class="fn">reverse</a>(&amp;mut self) -&gt; &amp;<a class="struct" href="../dfa/struct.Cache.html" title="struct regex_automata::hybrid::dfa::Cache">Cache</a></h4></section></summary><div class="docblock"><p>Return a reference to the reverse cache.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.forward_mut" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#678-680">source</a><h4 class="code-header">pub fn <a href="#method.forward_mut" class="fn">forward_mut</a>(&amp;mut self) -&gt; &amp;mut <a class="struct" href="../dfa/struct.Cache.html" title="struct regex_automata::hybrid::dfa::Cache">Cache</a></h4></section></summary><div class="docblock"><p>Return a mutable reference to the forward cache.</p>
<p>If you need mutable references to both the forward and reverse caches,
then use <a href="struct.Cache.html#method.as_parts_mut" title="method regex_automata::hybrid::regex::Cache::as_parts_mut"><code>Cache::as_parts_mut</code></a>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.reverse_mut" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#686-688">source</a><h4 class="code-header">pub fn <a href="#method.reverse_mut" class="fn">reverse_mut</a>(&amp;mut self) -&gt; &amp;mut <a class="struct" href="../dfa/struct.Cache.html" title="struct regex_automata::hybrid::dfa::Cache">Cache</a></h4></section></summary><div class="docblock"><p>Return a mutable reference to the reverse cache.</p>
<p>If you need mutable references to both the forward and reverse caches,
then use <a href="struct.Cache.html#method.as_parts_mut" title="method regex_automata::hybrid::regex::Cache::as_parts_mut"><code>Cache::as_parts_mut</code></a>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.as_parts" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#691-693">source</a><h4 class="code-header">pub fn <a href="#method.as_parts" class="fn">as_parts</a>(&amp;self) -&gt; (&amp;<a class="struct" href="../dfa/struct.Cache.html" title="struct regex_automata::hybrid::dfa::Cache">Cache</a>, &amp;<a class="struct" href="../dfa/struct.Cache.html" title="struct regex_automata::hybrid::dfa::Cache">Cache</a>)</h4></section></summary><div class="docblock"><p>Return references to the forward and reverse caches, respectively.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.as_parts_mut" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#697-699">source</a><h4 class="code-header">pub fn <a href="#method.as_parts_mut" class="fn">as_parts_mut</a>(&amp;mut self) -&gt; (&amp;mut <a class="struct" href="../dfa/struct.Cache.html" title="struct regex_automata::hybrid::dfa::Cache">Cache</a>, &amp;mut <a class="struct" href="../dfa/struct.Cache.html" title="struct regex_automata::hybrid::dfa::Cache">Cache</a>)</h4></section></summary><div class="docblock"><p>Return mutable references to the forward and reverse caches,
respectively.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.memory_usage" class="method"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#706-708">source</a><h4 class="code-header">pub fn <a href="#method.memory_usage" class="fn">memory_usage</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the heap memory usage, in bytes, as a sum of the forward and
reverse lazy DFA caches.</p>
<p>This does <strong>not</strong> include the stack size used up by this cache. To
compute that, use <code>std::mem::size_of::&lt;Cache&gt;()</code>.</p>
</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-Cache" class="impl"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#600">source</a><a href="#impl-Clone-for-Cache" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.Cache.html" title="struct regex_automata::hybrid::regex::Cache">Cache</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#600">source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&amp;self) -&gt; <a class="struct" href="struct.Cache.html" title="struct regex_automata::hybrid::regex::Cache">Cache</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/clone.rs.html#169">source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Self</a>)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-Cache" class="impl"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#600">source</a><a href="#impl-Debug-for-Cache" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Cache.html" title="struct regex_automata::hybrid::regex::Cache">Cache</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../../src/regex_automata/hybrid/regex.rs.html#600">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.76.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-Cache" class="impl"><a href="#impl-RefUnwindSafe-for-Cache" class="anchor">§</a><h
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#141">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#208">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#216">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#763">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#766">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#747-749">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#756">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#83-85">source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#88">source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#92">source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#803-805">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#810">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#788-790">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#795">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>