| <!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="The high-level intermediate representation of a character class."><meta name="keywords" content="rust, rustlang, rust-lang, Class"><title>Class in regex_syntax::hir - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link 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href="../../regex_syntax/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../regex_syntax/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Class</a></h2><div class="sidebar-elems"><section><h3><a href="#variants">Variants</a></h3><ul class="block"><li><a href="#variant.Bytes">Bytes</a></li><li><a href="#variant.Unicode">Unicode</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.case_fold_simple">case_fold_simple</a></li><li><a href="#method.is_empty">is_empty</a></li><li><a href="#method.is_utf8">is_utf8</a></li><li><a href="#method.literal">literal</a></li><li><a href="#method.maximum_len">maximum_len</a></li><li><a href="#method.minimum_len">minimum_len</a></li><li><a href="#method.negate">negate</a></li><li><a href="#method.try_case_fold_simple">try_case_fold_simple</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Clone-for-Class">Clone</a></li><li><a href="#impl-Debug-for-Class">Debug</a></li><li><a href="#impl-Eq-for-Class">Eq</a></li><li><a href="#impl-PartialEq%3CClass%3E-for-Class">PartialEq<Class></a></li><li><a href="#impl-StructuralEq-for-Class">StructuralEq</a></li><li><a href="#impl-StructuralPartialEq-for-Class">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Class">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Class">Send</a></li><li><a href="#impl-Sync-for-Class">Sync</a></li><li><a href="#impl-Unpin-for-Class">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Class">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Class">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Class">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Class">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-Class">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-Class">Into<U></a></li><li><a href="#impl-ToOwned-for-Class">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Class">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-Class">TryInto<U></a></li></ul></section><h2><a href="index.html">In regex_syntax::hir</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Enum <a href="../index.html">regex_syntax</a>::<wbr><a href="index.html">hir</a>::<wbr><a class="enum" href="#">Class</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/regex_syntax/hir/mod.rs.html#791-797">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust enum"><code>pub enum Class { |
| Unicode(<a class="struct" href="struct.ClassUnicode.html" title="struct regex_syntax::hir::ClassUnicode">ClassUnicode</a>), |
| Bytes(<a class="struct" href="struct.ClassBytes.html" title="struct regex_syntax::hir::ClassBytes">ClassBytes</a>), |
| }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>The high-level intermediate representation of a character class.</p> |
| <p>A character class corresponds to a set of characters. A character is either |
| defined by a Unicode scalar value or a byte. Unicode characters are used |
| by default, while bytes are used when Unicode mode (via the <code>u</code> flag) is |
| disabled.</p> |
| <p>A character class, regardless of its character type, is represented by a |
| sequence of non-overlapping non-adjacent ranges of characters.</p> |
| <p>Note that <code>Bytes</code> variant may be produced even when it exclusively matches |
| valid UTF-8. This is because a <code>Bytes</code> variant represents an intention by |
| the author of the regular expression to disable Unicode mode, which in turn |
| impacts the semantics of case insensitive matching. For example, <code>(?i)k</code> |
| and <code>(?i-u)k</code> will not match the same set of strings.</p> |
| </div></details><h2 id="variants" class="variants small-section-header">Variants<a href="#variants" class="anchor"></a></h2><h3 id="variant.Unicode" class="variant small-section-header"><a href="#variant.Unicode" class="anchor field"></a><code>Unicode(<a class="struct" href="struct.ClassUnicode.html" title="struct regex_syntax::hir::ClassUnicode">ClassUnicode</a>)</code></h3><div class="docblock"><p>A set of characters represented by Unicode scalar values.</p> |
| </div><h3 id="variant.Bytes" class="variant small-section-header"><a href="#variant.Bytes" class="anchor field"></a><code>Bytes(<a class="struct" href="struct.ClassBytes.html" title="struct regex_syntax::hir::ClassBytes">ClassBytes</a>)</code></h3><div class="docblock"><p>A set of characters represented by arbitrary bytes (one byte per |
| character).</p> |
| </div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Class" class="impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#799-987">source</a><a href="#impl-Class" class="anchor"></a><h3 class="code-header">impl <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.case_fold_simple" class="method has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#815-820">source</a><h4 class="code-header">pub fn <a href="#method.case_fold_simple" class="fnname">case_fold_simple</a>(&mut self)</h4></section></summary><div class="docblock"><p>Apply Unicode simple case folding to this character class, in place. |
| The character class will be expanded to include all simple case folded |
| character variants.</p> |
| <p>If this is a byte oriented character class, then this will be limited |
| to the ASCII ranges <code>A-Z</code> and <code>a-z</code>.</p> |
| <h5 id="panics"><a href="#panics">Panics</a></h5> |
| <p>This routine panics when the case mapping data necessary for this |
| routine to complete is unavailable. This occurs when the <code>unicode-case</code> |
| feature is not enabled and the underlying class is Unicode oriented.</p> |
| <p>Callers should prefer using <code>try_case_fold_simple</code> instead, which will |
| return an error instead of panicking.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_case_fold_simple" class="method has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#835-843">source</a><h4 class="code-header">pub fn <a href="#method.try_case_fold_simple" class="fnname">try_case_fold_simple</a>(&mut self) -> Result<(), <a class="struct" href="struct.CaseFoldError.html" title="struct regex_syntax::hir::CaseFoldError">CaseFoldError</a>></h4></section></summary><div class="docblock"><p>Apply Unicode simple case folding to this character class, in place. |
| The character class will be expanded to include all simple case folded |
| character variants.</p> |
| <p>If this is a byte oriented character class, then this will be limited |
| to the ASCII ranges <code>A-Z</code> and <code>a-z</code>.</p> |
| <h5 id="error"><a href="#error">Error</a></h5> |
| <p>This routine returns an error when the case mapping data necessary |
| for this routine to complete is unavailable. This occurs when the |
| <code>unicode-case</code> feature is not enabled and the underlying class is |
| Unicode oriented.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.negate" class="method has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#849-854">source</a><h4 class="code-header">pub fn <a href="#method.negate" class="fnname">negate</a>(&mut self)</h4></section></summary><div class="docblock"><p>Negate this character class in place.</p> |
| <p>After completion, this character class will contain precisely the |
| characters that weren’t previously in the class.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_utf8" class="method has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#867-872">source</a><h4 class="code-header">pub fn <a href="#method.is_utf8" class="fnname">is_utf8</a>(&self) -> bool</h4></section></summary><div class="docblock"><p>Returns true if and only if this character class will only ever match |
| valid UTF-8.</p> |
| <p>A character class can match invalid UTF-8 only when the following |
| conditions are met:</p> |
| <ol> |
| <li>The translator was configured to permit generating an expression |
| that can match invalid UTF-8. (By default, this is disabled.)</li> |
| <li>Unicode mode (via the <code>u</code> flag) was disabled either in the concrete |
| syntax or in the parser builder. By default, Unicode mode is |
| enabled.</li> |
| </ol> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.minimum_len" class="method has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#911-916">source</a><h4 class="code-header">pub fn <a href="#method.minimum_len" class="fnname">minimum_len</a>(&self) -> Option<usize></h4></section></summary><div class="docblock"><p>Returns the length, in bytes, of the smallest string matched by this |
| character class.</p> |
| <p>For non-empty byte oriented classes, this always returns <code>1</code>. For |
| non-empty Unicode oriented classes, this can return <code>1</code>, <code>2</code>, <code>3</code> or |
| <code>4</code>. For empty classes, <code>None</code> is returned. It is impossible for <code>0</code> to |
| be returned.</p> |
| <h5 id="example"><a href="#example">Example</a></h5> |
| <p>This example shows some examples of regexes and their corresponding |
| minimum length, if any.</p> |
| |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>regex_syntax::{hir::Properties, parse}; |
| |
| <span class="comment">// The empty string has a min length of 0. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r""</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">0</span>), hir.properties().minimum_len()); |
| <span class="comment">// As do other types of regexes that only match the empty string. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"^$\b\B"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">0</span>), hir.properties().minimum_len()); |
| <span class="comment">// A regex that can match the empty string but match more is still 0. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"a*"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">0</span>), hir.properties().minimum_len()); |
| <span class="comment">// A regex that matches nothing has no minimum defined. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"[a&&b]"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">None</span>, hir.properties().minimum_len()); |
| <span class="comment">// Character classes usually have a minimum length of 1. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"\w"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">1</span>), hir.properties().minimum_len()); |
| <span class="comment">// But sometimes Unicode classes might be bigger! |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"\p{Cyrillic}"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">2</span>), hir.properties().minimum_len()); |
| </code></pre></div> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.maximum_len" class="method has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#958-963">source</a><h4 class="code-header">pub fn <a href="#method.maximum_len" class="fnname">maximum_len</a>(&self) -> Option<usize></h4></section></summary><div class="docblock"><p>Returns the length, in bytes, of the longest string matched by this |
| character class.</p> |
| <p>For non-empty byte oriented classes, this always returns <code>1</code>. For |
| non-empty Unicode oriented classes, this can return <code>1</code>, <code>2</code>, <code>3</code> or |
| <code>4</code>. For empty classes, <code>None</code> is returned. It is impossible for <code>0</code> to |
| be returned.</p> |
| <h5 id="example-1"><a href="#example-1">Example</a></h5> |
| <p>This example shows some examples of regexes and their corresponding |
| maximum length, if any.</p> |
| |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>regex_syntax::{hir::Properties, parse}; |
| |
| <span class="comment">// The empty string has a max length of 0. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r""</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">0</span>), hir.properties().maximum_len()); |
| <span class="comment">// As do other types of regexes that only match the empty string. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"^$\b\B"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">0</span>), hir.properties().maximum_len()); |
| <span class="comment">// A regex that matches nothing has no maximum defined. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"[a&&b]"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">None</span>, hir.properties().maximum_len()); |
| <span class="comment">// Bounded repeats work as you expect. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"x{2,10}"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">10</span>), hir.properties().maximum_len()); |
| <span class="comment">// An unbounded repeat means there is no maximum. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"x{2,}"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">None</span>, hir.properties().maximum_len()); |
| <span class="comment">// With Unicode enabled, \w can match up to 4 bytes! |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"\w"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">4</span>), hir.properties().maximum_len()); |
| <span class="comment">// Without Unicode enabled, \w matches at most 1 byte. |
| </span><span class="kw">let </span>hir = parse(<span class="string">r"(?-u)\w"</span>)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(<span class="number">1</span>), hir.properties().maximum_len()); |
| </code></pre></div> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_empty" class="method has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#969-974">source</a><h4 class="code-header">pub fn <a href="#method.is_empty" class="fnname">is_empty</a>(&self) -> bool</h4></section></summary><div class="docblock"><p>Returns true if and only if this character class is empty. That is, |
| it has no elements.</p> |
| <p>An empty character can never match anything, including an empty string.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.literal" class="method has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#981-986">source</a><h4 class="code-header">pub fn <a href="#method.literal" class="fnname">literal</a>(&self) -> Option<Vec<u8>></h4></section></summary><div class="docblock"><p>If this class consists of exactly one element (whether a codepoint or a |
| byte), then return it as a literal byte string.</p> |
| <p>If this class is empty or contains more than one element, then <code>None</code> |
| is returned.</p> |
| </div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Clone-for-Class" class="impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#790">source</a><a href="#impl-Clone-for-Class" class="anchor"></a><h3 class="code-header">impl Clone for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#790">source</a><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone</a>(&self) -> <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-Class" class="impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#989-1008">source</a><a href="#impl-Debug-for-Class" class="anchor"></a><h3 class="code-header">impl Debug for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#990-1007">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&self, f: &mut Formatter<'_>) -> Result</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialEq%3CClass%3E-for-Class" class="impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#790">source</a><a href="#impl-PartialEq%3CClass%3E-for-Class" class="anchor"></a><h3 class="code-header">impl PartialEq<<a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a>> for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#790">source</a><a href="#method.eq" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a>(&self, other: &<a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a>) -> bool</h4></section></summary><div class='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used |
| by <code>==</code>. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ne" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">ne</a>(&self, other: &Rhs) -> bool</h4></section></summary><div class='docblock'>This method tests for <code>!=</code>. The default implementation is almost always |
| sufficient, and should not be overridden without very good reason. <a>Read more</a></div></details></div></details><section id="impl-Eq-for-Class" class="impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#790">source</a><a href="#impl-Eq-for-Class" class="anchor"></a><h3 class="code-header">impl Eq for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section><section id="impl-StructuralEq-for-Class" class="impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#790">source</a><a href="#impl-StructuralEq-for-Class" class="anchor"></a><h3 class="code-header">impl StructuralEq for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section><section id="impl-StructuralPartialEq-for-Class" class="impl has-srclink"><a class="srclink rightside" href="../../src/regex_syntax/hir/mod.rs.html#790">source</a><a href="#impl-StructuralPartialEq-for-Class" class="anchor"></a><h3 class="code-header">impl StructuralPartialEq for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section></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"><section id="impl-RefUnwindSafe-for-Class" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Class" class="anchor"></a><h3 class="code-header">impl RefUnwindSafe for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section><section id="impl-Send-for-Class" class="impl has-srclink"><a href="#impl-Send-for-Class" class="anchor"></a><h3 class="code-header">impl Send for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section><section id="impl-Sync-for-Class" class="impl has-srclink"><a href="#impl-Sync-for-Class" class="anchor"></a><h3 class="code-header">impl Sync for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section><section id="impl-Unpin-for-Class" class="impl has-srclink"><a href="#impl-Unpin-for-Class" class="anchor"></a><h3 class="code-header">impl Unpin for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section><section id="impl-UnwindSafe-for-Class" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Class" class="anchor"></a><h3 class="code-header">impl UnwindSafe for <a class="enum" href="enum.Class.html" title="enum regex_syntax::hir::Class">Class</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-Class" class="impl has-srclink"><a href="#impl-Any-for-Class" class="anchor"></a><h3 class="code-header">impl<T> Any for T<span class="where fmt-newline">where<br> T: 'static + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a class="fnname">type_id</a>(&self) -> TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-Class" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-Class" class="anchor"></a><h3 class="code-header">impl<T> Borrow<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow</a>(&self) -> &T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-Class" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-Class" class="anchor"></a><h3 class="code-header">impl<T> BorrowMut<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow_mut</a>(&mut self) -> &mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-Class" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-Class" class="anchor"></a><h3 class="code-header">impl<T> From<T> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-Class" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-Class" class="anchor"></a><h3 class="code-header">impl<T, U> Into<U> for T<span class="where fmt-newline">where<br> U: From<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">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>[From]<T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-Class" class="impl has-srclink"><a href="#impl-ToOwned-for-Class" class="anchor"></a><h3 class="code-header">impl<T> ToOwned for T<span class="where fmt-newline">where<br> T: Clone,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a class="fnname">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone_into</a>(&self, target: &mut T)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-Class" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-Class" class="anchor"></a><h3 class="code-header">impl<T, U> TryFrom<U> for T<span class="where fmt-newline">where<br> U: Into<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_from</a>(value: U) -> Result<T, <T as TryFrom<U>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-Class" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-Class" class="anchor"></a><h3 class="code-header">impl<T, U> TryInto<U> for T<span class="where fmt-newline">where<br> U: TryFrom<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = <U as TryFrom<T>>::Error</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_into</a>(self) -> Result<U, <U as TryFrom<T>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="regex_syntax" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |