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148 lines
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="A builder for a regex based on deterministic finite automatons."><title>Builder in regex_automata::dfa::regex - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.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="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.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]--><rustdoc-topbar><h2><a href="#">Builder</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../regex_automata/index.html">regex_<wbr>automata</a><span class="version">0.4.14</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Builder</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#build-methods" title="Build methods">Build methods</a></li><li><a href="#example" title="Example">Example</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.build" title="build">build</a></li><li><a href="#method.build_from_dfas" title="build_from_dfas">build_from_dfas</a></li><li><a href="#method.build_many" title="build_many">build_many</a></li><li><a href="#method.build_many_sparse" title="build_many_sparse">build_many_sparse</a></li><li><a href="#method.build_sparse" title="build_sparse">build_sparse</a></li><li><a href="#method.dense" title="dense">dense</a></li><li><a href="#method.new" title="new">new</a></li><li><a href="#method.syntax" title="syntax">syntax</a></li><li><a href="#method.thompson" title="thompson">thompson</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-Builder" title="Clone">Clone</a></li><li><a href="#impl-Debug-for-Builder" title="Debug">Debug</a></li><li><a href="#impl-Default-for-Builder" title="Default">Default</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-Builder" title="!Freeze">!Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-Builder" title="!RefUnwindSafe">!RefUnwindSafe</a></li><li><a href="#impl-Sync-for-Builder" title="!Sync">!Sync</a></li><li><a href="#impl-Send-for-Builder" title="Send">Send</a></li><li><a href="#impl-Unpin-for-Builder" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Builder" title="UnwindSafe">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" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow<T>">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut<T>">BorrowMut<T></a></li><li><a href="#impl-CloneToUninit-for-T" title="CloneToUninit">CloneToUninit</a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-ToOwned-for-T" title="ToOwned">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom<U>">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto<U>">TryInto<U></a></li></ul></section><div id="rustdoc-modnav"><h2><a href="index.html">In regex_<wbr>automata::<wbr>dfa::<wbr>regex</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">regex_automata</a>::<wbr><a href="../index.html">dfa</a>::<wbr><a href="index.html">regex</a></div><h1>Struct <span class="struct">Builder</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/regex_automata/dfa/regex.rs.html#692-695">Source</a> </span></div><pre class="rust item-decl"><code>pub struct Builder { <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 builder for a regex based on deterministic finite automatons.</p>
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<p>This builder permits configuring options for the syntax of a pattern, the
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NFA construction, the DFA construction and finally the regex searching
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itself. This builder is different from a general purpose regex builder in
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that it permits fine grain configuration of the construction process. The
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trade off for this is complexity, and the possibility of setting a
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configuration that might not make sense. For example, there are two
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different UTF-8 modes:</p>
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<ul>
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<li><a href="../../util/syntax/struct.Config.html#method.utf8" title="method regex_automata::util::syntax::Config::utf8"><code>syntax::Config::utf8</code></a> controls
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whether the pattern itself can contain sub-expressions that match invalid
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UTF-8.</li>
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<li><a href="../../nfa/thompson/struct.Config.html#method.utf8" title="method regex_automata::nfa::thompson::Config::utf8"><code>thompson::Config::utf8</code></a> controls
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how the regex iterators themselves advance the starting position of the
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next search when a match with zero length is found.</li>
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</ul>
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<p>Generally speaking, callers will want to either enable all of these or
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disable all of these.</p>
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<p>Internally, building a regex requires building two DFAs, where one is
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responsible for finding the end of a match and the other is responsible
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for finding the start of a match. If you only need to detect whether
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something matched, or only the end of a match, then you should use a
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<a href="../dense/struct.Builder.html" title="struct regex_automata::dfa::dense::Builder"><code>dense::Builder</code></a> to construct a single DFA, which is cheaper than
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building two DFAs.</p>
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<h2 id="build-methods"><a class="doc-anchor" href="#build-methods">§</a>Build methods</h2>
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<p>This builder has a few “build” methods. In general, it’s the result of
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combining the following parameters:</p>
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<ul>
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<li>Building one or many regexes.</li>
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<li>Building a regex with dense or sparse DFAs.</li>
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</ul>
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<p>The simplest “build” method is <a href="struct.Builder.html#method.build" title="method regex_automata::dfa::regex::Builder::build"><code>Builder::build</code></a>. It accepts a single
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pattern and builds a dense DFA using <code>usize</code> for the state identifier
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representation.</p>
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<p>The most general “build” method is <a href="struct.Builder.html#method.build_many" title="method regex_automata::dfa::regex::Builder::build_many"><code>Builder::build_many</code></a>, which permits
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building a regex that searches for multiple patterns simultaneously while
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using a specific state identifier representation.</p>
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<p>The most flexible “build” method, but hardest to use, is
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<a href="struct.Builder.html#method.build_from_dfas" title="method regex_automata::dfa::regex::Builder::build_from_dfas"><code>Builder::build_from_dfas</code></a>. This exposes the fact that a <a href="struct.Regex.html" title="struct regex_automata::dfa::regex::Regex"><code>Regex</code></a> is
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just a pair of DFAs, and this method allows you to specify those DFAs
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exactly.</p>
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<h2 id="example"><a class="doc-anchor" href="#example">§</a>Example</h2>
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<p>This example shows how to disable UTF-8 mode in the syntax and the regex
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itself. This is generally what you want for matching on arbitrary bytes.</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>regex_automata::{
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dfa::regex::Regex, nfa::thompson, util::syntax, Match,
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};
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<span class="kw">let </span>re = Regex::builder()
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.syntax(syntax::Config::new().utf8(<span class="bool-val">false</span>))
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.thompson(thompson::Config::new().utf8(<span class="bool-val">false</span>))
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.build(<span class="string">r"foo(?-u:[^b])ar.*"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>haystack = <span class="string">b"\xFEfoo\xFFarzz\xE2\x98\xFF\n"</span>;
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<span class="kw">let </span>expected = <span class="prelude-val">Some</span>(Match::must(<span class="number">0</span>, <span class="number">1</span>..<span class="number">9</span>));
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<span class="kw">let </span>got = re.find(haystack);
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<span class="macro">assert_eq!</span>(expected, got);
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<span class="comment">// Notice that `(?-u:[^b])` matches invalid UTF-8,
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// but the subsequent `.*` does not! Disabling UTF-8
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// on the syntax permits this.
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</span><span class="macro">assert_eq!</span>(<span class="string">b"foo\xFFarzz"</span>, <span class="kw-2">&</span>haystack[got.unwrap().range()]);
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</code></pre></div></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-Builder" class="impl"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#697-864">Source</a><a href="#impl-Builder" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</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/dfa/regex.rs.html#699-704">Source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>() -> <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h4></section></summary><div class="docblock"><p>Create a new regex builder with the default configuration.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.build" class="method"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#711-713">Source</a><h4 class="code-header">pub fn <a href="#method.build" class="fn">build</a>(&self, pattern: &<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="struct.Regex.html" title="struct regex_automata::dfa::regex::Regex">Regex</a>, <a class="struct" href="../dense/struct.BuildError.html" title="struct regex_automata::dfa::dense::BuildError">BuildError</a>></h4></section></summary><div class="docblock"><p>Build a regex from the given pattern.</p>
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<p>If there was a problem parsing or compiling the pattern, then an error
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is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.build_sparse" class="method"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#720-725">Source</a><h4 class="code-header">pub fn <a href="#method.build_sparse" class="fn">build_sparse</a>(
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&self,
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pattern: &<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.str.html">str</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="struct.Regex.html" title="struct regex_automata::dfa::regex::Regex">Regex</a><<a class="struct" href="../sparse/struct.DFA.html" title="struct regex_automata::dfa::sparse::DFA">DFA</a><<a class="struct" href="https://doc.rust-lang.org/1.93.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>>>>, <a class="struct" href="../dense/struct.BuildError.html" title="struct regex_automata::dfa::dense::BuildError">BuildError</a>></h4></section></summary><div class="docblock"><p>Build a regex from the given pattern using sparse DFAs.</p>
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<p>If there was a problem parsing or compiling the pattern, then an error
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is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.build_many" class="method"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#729-747">Source</a><h4 class="code-header">pub fn <a href="#method.build_many" class="fn">build_many</a><P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.str.html">str</a>>>(
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&self,
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patterns: &<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.slice.html">[P]</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="struct.Regex.html" title="struct regex_automata::dfa::regex::Regex">Regex</a>, <a class="struct" href="../dense/struct.BuildError.html" title="struct regex_automata::dfa::dense::BuildError">BuildError</a>></h4></section></summary><div class="docblock"><p>Build a regex from the given patterns.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.build_many_sparse" class="method"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#751-759">Source</a><h4 class="code-header">pub fn <a href="#method.build_many_sparse" class="fn">build_many_sparse</a><P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.str.html">str</a>>>(
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&self,
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patterns: &<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.slice.html">[P]</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="struct.Regex.html" title="struct regex_automata::dfa::regex::Regex">Regex</a><<a class="struct" href="../sparse/struct.DFA.html" title="struct regex_automata::dfa::sparse::DFA">DFA</a><<a class="struct" href="https://doc.rust-lang.org/1.93.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>>>>, <a class="struct" href="../dense/struct.BuildError.html" title="struct regex_automata::dfa::dense::BuildError">BuildError</a>></h4></section></summary><div class="docblock"><p>Build a sparse regex from the given patterns.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.build_from_dfas" class="method"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#818-824">Source</a><h4 class="code-header">pub fn <a href="#method.build_from_dfas" class="fn">build_from_dfas</a><A: <a class="trait" href="../trait.Automaton.html" title="trait regex_automata::dfa::Automaton">Automaton</a>>(&self, forward: A, reverse: A) -> <a class="struct" href="struct.Regex.html" title="struct regex_automata::dfa::regex::Regex">Regex</a><A></h4></section></summary><div class="docblock"><p>Build a regex from its component forward and reverse DFAs.</p>
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<p>This is useful when deserializing a regex from some arbitrary
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memory region. This is also useful for building regexes from other
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types of DFAs.</p>
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<p>If you’re building the DFAs from scratch instead of building new DFAs
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from other DFAs, then you’ll need to make sure that the reverse DFA is
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configured correctly to match the intended semantics. Namely:</p>
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<ul>
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<li>It should be anchored.</li>
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<li>It should use <a href="../../enum.MatchKind.html#variant.All" title="variant regex_automata::MatchKind::All"><code>MatchKind::All</code></a> semantics.</li>
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<li>It should match in reverse.</li>
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<li>Otherwise, its configuration should match the forward DFA.</li>
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</ul>
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<p>If these conditions aren’t satisfied, then the behavior of searches is
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unspecified.</p>
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<p>Note that when using this constructor, no configuration is applied.
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Since this routine provides the DFAs to the builder, there is no
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opportunity to apply other configuration options.</p>
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<h5 id="example-1"><a class="doc-anchor" href="#example-1">§</a>Example</h5>
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<p>This example is a bit a contrived. The usual use of these methods
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would involve serializing <code>initial_re</code> somewhere and then deserializing
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it later to build a regex. But in this case, we do everything in
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memory.</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>regex_automata::dfa::regex::Regex;
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<span class="kw">let </span>initial_re = Regex::new(<span class="string">"foo[0-9]+"</span>)<span class="question-mark">?</span>;
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<span class="macro">assert_eq!</span>(<span class="bool-val">true</span>, initial_re.is_match(<span class="string">b"foo123"</span>));
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<span class="kw">let </span>(fwd, rev) = (initial_re.forward(), initial_re.reverse());
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<span class="kw">let </span>re = Regex::builder().build_from_dfas(fwd, rev);
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<span class="macro">assert_eq!</span>(<span class="bool-val">true</span>, re.is_match(<span class="string">b"foo123"</span>));</code></pre></div>
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<p>This example shows how to build a <code>Regex</code> that uses sparse DFAs instead
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of dense DFAs without using one of the convenience <code>build_sparse</code>
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routines:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>regex_automata::dfa::regex::Regex;
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<span class="kw">let </span>initial_re = Regex::new(<span class="string">"foo[0-9]+"</span>)<span class="question-mark">?</span>;
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<span class="macro">assert_eq!</span>(<span class="bool-val">true</span>, initial_re.is_match(<span class="string">b"foo123"</span>));
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<span class="kw">let </span>fwd = initial_re.forward().to_sparse()<span class="question-mark">?</span>;
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<span class="kw">let </span>rev = initial_re.reverse().to_sparse()<span class="question-mark">?</span>;
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<span class="kw">let </span>re = Regex::builder().build_from_dfas(fwd, rev);
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<span class="macro">assert_eq!</span>(<span class="bool-val">true</span>, re.is_match(<span class="string">b"foo123"</span>));</code></pre></div></div></details><details class="toggle method-toggle" open><summary><section id="method.syntax" class="method"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#832-838">Source</a><h4 class="code-header">pub fn <a href="#method.syntax" class="fn">syntax</a>(&mut self, config: <a class="struct" href="../../util/syntax/struct.Config.html" title="struct regex_automata::util::syntax::Config">Config</a>) -> &mut <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h4></section></summary><div class="docblock"><p>Set the syntax configuration for this builder using
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<a href="../../util/syntax/struct.Config.html" title="struct regex_automata::util::syntax::Config"><code>syntax::Config</code></a>.</p>
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<p>This permits setting things like case insensitivity, Unicode and multi
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line mode.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.thompson" class="method"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#846-852">Source</a><h4 class="code-header">pub fn <a href="#method.thompson" class="fn">thompson</a>(&mut self, config: <a class="struct" href="../../nfa/thompson/struct.Config.html" title="struct regex_automata::nfa::thompson::Config">Config</a>) -> &mut <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h4></section></summary><div class="docblock"><p>Set the Thompson NFA configuration for this builder using
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<a href="../../nfa/thompson/struct.Config.html" title="struct regex_automata::nfa::thompson::Config"><code>nfa::thompson::Config</code></a>.</p>
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<p>This permits setting things like whether additional time should be
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spent shrinking the size of the NFA.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.dense" class="method"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#860-863">Source</a><h4 class="code-header">pub fn <a href="#method.dense" class="fn">dense</a>(&mut self, config: <a class="struct" href="../dense/struct.Config.html" title="struct regex_automata::dfa::dense::Config">Config</a>) -> &mut <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h4></section></summary><div class="docblock"><p>Set the dense DFA compilation configuration for this builder using
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<a href="../dense/struct.Config.html" title="struct regex_automata::dfa::dense::Config"><code>dense::Config</code></a>.</p>
|
||
<p>This permits setting things like whether the underlying DFAs should
|
||
be minimized.</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-Builder" class="impl"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#691">Source</a><a href="#impl-Clone-for-Builder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</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/dfa/regex.rs.html#691">Source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&self) -> <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h4></section></summary><div class='docblock'>Returns a duplicate of the value. <a href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/clone.rs.html#245-247">Source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.93.1/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-Builder" class="impl"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#691">Source</a><a href="#impl-Debug-for-Builder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</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/dfa/regex.rs.html#691">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Default-for-Builder" class="impl"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#866-870">Source</a><a href="#impl-Default-for-Builder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.default" class="method trait-impl"><a class="src rightside" href="../../../src/regex_automata/dfa/regex.rs.html#867-869">Source</a><a href="#method.default" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/default/trait.Default.html#tymethod.default" class="fn">default</a>() -> <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h4></section></summary><div class='docblock'>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/1.93.1/core/default/trait.Default.html#tymethod.default">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-Freeze-for-Builder" class="impl"><a href="#impl-Freeze-for-Builder" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h3></section><section id="impl-RefUnwindSafe-for-Builder" class="impl"><a href="#impl-RefUnwindSafe-for-Builder" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h3></section><section id="impl-Send-for-Builder" class="impl"><a href="#impl-Send-for-Builder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h3></section><section id="impl-Sync-for-Builder" class="impl"><a href="#impl-Sync-for-Builder" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h3></section><section id="impl-Unpin-for-Builder" class="impl"><a href="#impl-Unpin-for-Builder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h3></section><section id="impl-UnwindSafe-for-Builder" class="impl"><a href="#impl-UnwindSafe-for-Builder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Builder.html" title="struct regex_automata::dfa::regex::Builder">Builder</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/any.rs.html#138">Source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
|
||
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#212">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
|
||
T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/borrow.rs.html#214">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/borrow.rs.html#221">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
|
||
T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/borrow.rs.html#222">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-CloneToUninit-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/clone.rs.html#547">Source</a><a href="#impl-CloneToUninit-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html" title="trait core::clone::CloneToUninit">CloneToUninit</a> for T<div class="where">where
|
||
T: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone_to_uninit" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/clone.rs.html#549">Source</a><a href="#method.clone_to_uninit" class="anchor">§</a><h4 class="code-header">unsafe fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit" class="fn">clone_to_uninit</a>(&self, dest: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>clone_to_uninit</code>)</span></div></span><div class='docblock'>Performs copy-assignment from <code>self</code> to <code>dest</code>. <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit">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/1.93.1/src/core/convert/mod.rs.html#785">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> 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/1.93.1/src/core/convert/mod.rs.html#788">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> 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/1.93.1/src/core/convert/mod.rs.html#767-769">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where
|
||
U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</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/1.93.1/src/core/convert/mod.rs.html#777">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -> 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/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> 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/1.93.1/src/alloc/borrow.rs.html#85-87">Source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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 class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#89">Source</a><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/alloc/borrow.rs.html#90">Source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/alloc/borrow.rs.html#94">Source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&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/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#827-829">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where
|
||
U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#831">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#834">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></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/1.93.1/src/core/convert/mod.rs.html#811-813">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#815">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#818">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html> |