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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `ErrorKind` enum in crate `regex_syntax`."><meta name="keywords" content="rust, rustlang, rust-lang, ErrorKind"><title>regex_syntax::ErrorKind - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc enum"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../regex_syntax/index.html'><img src='../rust-logo.png' alt='logo' width='100'></a><p class='location'>Enum ErrorKind</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#variants">Variants</a><div class="sidebar-links"><a href="#variant.DoubleFlagNegation">DoubleFlagNegation</a><a href="#variant.DuplicateCaptureName">DuplicateCaptureName</a><a href="#variant.EmptyAlternate">EmptyAlternate</a><a href="#variant.EmptyCaptureName">EmptyCaptureName</a><a href="#variant.EmptyFlagNegation">EmptyFlagNegation</a><a href="#variant.EmptyGroup">EmptyGroup</a><a href="#variant.InvalidBase10">InvalidBase10</a><a href="#variant.InvalidBase16">InvalidBase16</a><a href="#variant.InvalidCaptureName">InvalidCaptureName</a><a href="#variant.InvalidClassRange">InvalidClassRange</a><a href="#variant.InvalidClassEscape">InvalidClassEscape</a><a href="#variant.InvalidRepeatRange">InvalidRepeatRange</a><a href="#variant.InvalidScalarValue">InvalidScalarValue</a><a href="#variant.MissingBase10">MissingBase10</a><a href="#variant.RepeaterExpectsExpr">RepeaterExpectsExpr</a><a href="#variant.RepeaterUnexpectedExpr">RepeaterUnexpectedExpr</a><a href="#variant.UnclosedCaptureName">UnclosedCaptureName</a><a href="#variant.UnclosedHex">UnclosedHex</a><a href="#variant.UnclosedParen">UnclosedParen</a><a href="#variant.UnclosedRepeat">UnclosedRepeat</a><a href="#variant.UnclosedUnicodeName">UnclosedUnicodeName</a><a href="#variant.UnexpectedClassEof">UnexpectedClassEof</a><a href="#variant.UnexpectedEscapeEof">UnexpectedEscapeEof</a><a href="#variant.UnexpectedFlagEof">UnexpectedFlagEof</a><a href="#variant.UnexpectedTwoDigitHexEof">UnexpectedTwoDigitHexEof</a><a href="#variant.UnopenedParen">UnopenedParen</a><a href="#variant.UnrecognizedEscape">UnrecognizedEscape</a><a href="#variant.UnrecognizedFlag">UnrecognizedFlag</a><a href="#variant.UnrecognizedUnicodeClass">UnrecognizedUnicodeClass</a><a href="#variant.StackExhausted">StackExhausted</a><a href="#variant.FlagNotAllowed">FlagNotAllowed</a><a href="#variant.UnicodeNotAllowed">UnicodeNotAllowed</a><a href="#variant.InvalidUtf8">InvalidUtf8</a><a href="#variant.EmptyClass">EmptyClass</a><a href="#variant.UnsupportedClassChar">UnsupportedClassChar</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a><a href="#impl-Display">Display</a><a href="#impl-PartialEq%3CErrorKind%3E">PartialEq<ErrorKind></a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow">Borrow</a><a href="#impl-BorrowMut">BorrowMut</a><a href="#impl-From">From</a><a href="#impl-Into">Into</a><a href="#impl-ToOwned">ToOwned</a><a href="#impl-ToString">ToString</a><a href="#impl-TryFrom">TryFrom</a><a href="#impl-TryInto">TryInto</a></div></div><p class='location'><a href='index.html'>regex_syntax</a></p><script>window.sidebarCurrent = {name: 'ErrorKind', ty: 'enum', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/regex_syntax/lib.rs.html#1358-1469' title='goto source code'>[src]</a></span><span class='in-band'>Enum <a href='index.html'>regex_syntax</a>::<wbr><a class="enum" href=''>ErrorKind</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust enum'>pub enum ErrorKind {
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DoubleFlagNegation,
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DuplicateCaptureName(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>),
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EmptyAlternate,
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EmptyCaptureName,
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EmptyFlagNegation,
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EmptyGroup,
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InvalidBase10(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>),
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InvalidBase16(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>),
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InvalidCaptureName(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>),
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InvalidClassRange {
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start: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>,
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end: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>,
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},
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InvalidClassEscape(<a class="enum" href="../regex_syntax/enum.Expr.html" title="enum regex_syntax::Expr">Expr</a>),
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InvalidRepeatRange {
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min: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>,
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max: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>,
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},
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InvalidScalarValue(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>),
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MissingBase10,
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RepeaterExpectsExpr,
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RepeaterUnexpectedExpr(<a class="enum" href="../regex_syntax/enum.Expr.html" title="enum regex_syntax::Expr">Expr</a>),
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UnclosedCaptureName(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>),
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UnclosedHex,
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UnclosedParen,
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UnclosedRepeat,
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UnclosedUnicodeName,
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UnexpectedClassEof,
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UnexpectedEscapeEof,
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UnexpectedFlagEof,
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UnexpectedTwoDigitHexEof,
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UnopenedParen,
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UnrecognizedEscape(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>),
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UnrecognizedFlag(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>),
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UnrecognizedUnicodeClass(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>),
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StackExhausted,
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FlagNotAllowed(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>),
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UnicodeNotAllowed,
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InvalidUtf8,
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EmptyClass,
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UnsupportedClassChar(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>),
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// some variants omitted
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}</pre></div><div class='docblock'><p>The specific type of parse error that can occur.</p>
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</div><h2 id='variants' class='variants small-section-header'>
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Variants<a href='#variants' class='anchor'></a></h2>
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<span id="variant.DoubleFlagNegation" class="variant small-section-header"><a href="#variant.DoubleFlagNegation" class="anchor field"></a><code id='DoubleFlagNegation.v'>DoubleFlagNegation</code></span><div class='docblock'><p>A negation symbol is used twice in flag settings.
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e.g., <code>(?-i-s)</code>.</p>
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</div><span id="variant.DuplicateCaptureName" class="variant small-section-header"><a href="#variant.DuplicateCaptureName" class="anchor field"></a><code id='DuplicateCaptureName.v'>DuplicateCaptureName(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span><div class='docblock'><p>The same capture name was used more than once.
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e.g., <code>(?P<a>.)(?P<a>.)</code>.</p>
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</div><span id="variant.EmptyAlternate" class="variant small-section-header"><a href="#variant.EmptyAlternate" class="anchor field"></a><code id='EmptyAlternate.v'>EmptyAlternate</code></span><div class='docblock'><p>An alternate is empty. e.g., <code>(|a)</code>.</p>
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</div><span id="variant.EmptyCaptureName" class="variant small-section-header"><a href="#variant.EmptyCaptureName" class="anchor field"></a><code id='EmptyCaptureName.v'>EmptyCaptureName</code></span><div class='docblock'><p>A capture group name is empty. e.g., <code>(?P<>a)</code>.</p>
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</div><span id="variant.EmptyFlagNegation" class="variant small-section-header"><a href="#variant.EmptyFlagNegation" class="anchor field"></a><code id='EmptyFlagNegation.v'>EmptyFlagNegation</code></span><div class='docblock'><p>A negation symbol was not proceded by any flags. e.g., <code>(?i-)</code>.</p>
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</div><span id="variant.EmptyGroup" class="variant small-section-header"><a href="#variant.EmptyGroup" class="anchor field"></a><code id='EmptyGroup.v'>EmptyGroup</code></span><div class='docblock'><p>A group is empty. e.g., <code>()</code>.</p>
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</div><span id="variant.InvalidBase10" class="variant small-section-header"><a href="#variant.InvalidBase10" class="anchor field"></a><code id='InvalidBase10.v'>InvalidBase10(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span><div class='docblock'><p>An invalid number was used in a counted repetition. e.g., <code>a{b}</code>.</p>
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</div><span id="variant.InvalidBase16" class="variant small-section-header"><a href="#variant.InvalidBase16" class="anchor field"></a><code id='InvalidBase16.v'>InvalidBase16(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span><div class='docblock'><p>An invalid hexadecimal number was used in an escape sequence.
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e.g., <code>\xAG</code>.</p>
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</div><span id="variant.InvalidCaptureName" class="variant small-section-header"><a href="#variant.InvalidCaptureName" class="anchor field"></a><code id='InvalidCaptureName.v'>InvalidCaptureName(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span><div class='docblock'><p>An invalid capture name was used. e.g., <code>(?P<0a>b)</code>.</p>
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</div><span id="variant.InvalidClassRange" class="variant small-section-header"><a href="#variant.InvalidClassRange" class="anchor field"></a><code id='InvalidClassRange.v'>InvalidClassRange</code></span><div class='docblock'><p>An invalid class range was givien. Specifically, when the start of the
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range is greater than the end. e.g., <code>[z-a]</code>.</p>
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</div><span class='autohide sub-variant' id='variant.InvalidClassRange.fields'><h3>Fields of <b>InvalidClassRange</b></h3><div><span id="variant.InvalidClassRange.field.start" class="variant small-section-header"><a href="#variant.InvalidClassRange.field.start" class="anchor field"></a><code id='InvalidClassRange.v.start.v'>start: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a></code></span><div class='docblock'><p>The first character specified in the range.</p>
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</div><span id="variant.InvalidClassRange.field.end" class="variant small-section-header"><a href="#variant.InvalidClassRange.field.end" class="anchor field"></a><code id='InvalidClassRange.v.end.v'>end: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a></code></span><div class='docblock'><p>The second character specified in the range.</p>
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</div></div></span><span id="variant.InvalidClassEscape" class="variant small-section-header"><a href="#variant.InvalidClassEscape" class="anchor field"></a><code id='InvalidClassEscape.v'>InvalidClassEscape(<a class="enum" href="../regex_syntax/enum.Expr.html" title="enum regex_syntax::Expr">Expr</a>)</code></span><div class='docblock'><p>An escape sequence was used in a character class where it is not
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allowed. e.g., <code>[a-\pN]</code> or <code>[\A]</code>.</p>
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</div><span id="variant.InvalidRepeatRange" class="variant small-section-header"><a href="#variant.InvalidRepeatRange" class="anchor field"></a><code id='InvalidRepeatRange.v'>InvalidRepeatRange</code></span><div class='docblock'><p>An invalid counted repetition min/max was given. e.g., <code>a{2,1}</code>.</p>
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</div><span class='autohide sub-variant' id='variant.InvalidRepeatRange.fields'><h3>Fields of <b>InvalidRepeatRange</b></h3><div><span id="variant.InvalidRepeatRange.field.min" class="variant small-section-header"><a href="#variant.InvalidRepeatRange.field.min" class="anchor field"></a><code id='InvalidRepeatRange.v.min.v'>min: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span><div class='docblock'><p>The first number specified in the repetition.</p>
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</div><span id="variant.InvalidRepeatRange.field.max" class="variant small-section-header"><a href="#variant.InvalidRepeatRange.field.max" class="anchor field"></a><code id='InvalidRepeatRange.v.max.v'>max: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span><div class='docblock'><p>The second number specified in the repetition.</p>
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</div></div></span><span id="variant.InvalidScalarValue" class="variant small-section-header"><a href="#variant.InvalidScalarValue" class="anchor field"></a><code id='InvalidScalarValue.v'>InvalidScalarValue(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>)</code></span><div class='docblock'><p>An invalid Unicode scalar value was used in a long hexadecimal
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sequence. e.g., <code>\x{D800}</code>.</p>
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</div><span id="variant.MissingBase10" class="variant small-section-header"><a href="#variant.MissingBase10" class="anchor field"></a><code id='MissingBase10.v'>MissingBase10</code></span><div class='docblock'><p>An empty counted repetition operator. e.g., <code>a{}</code>.</p>
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</div><span id="variant.RepeaterExpectsExpr" class="variant small-section-header"><a href="#variant.RepeaterExpectsExpr" class="anchor field"></a><code id='RepeaterExpectsExpr.v'>RepeaterExpectsExpr</code></span><div class='docblock'><p>A repetition operator was not applied to an expression. e.g., <code>*</code>.</p>
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</div><span id="variant.RepeaterUnexpectedExpr" class="variant small-section-header"><a href="#variant.RepeaterUnexpectedExpr" class="anchor field"></a><code id='RepeaterUnexpectedExpr.v'>RepeaterUnexpectedExpr(<a class="enum" href="../regex_syntax/enum.Expr.html" title="enum regex_syntax::Expr">Expr</a>)</code></span><div class='docblock'><p>A repetition operator was applied to an expression that cannot be
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repeated. e.g., <code>a+*</code> or <code>a|*</code>.</p>
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</div><span id="variant.UnclosedCaptureName" class="variant small-section-header"><a href="#variant.UnclosedCaptureName" class="anchor field"></a><code id='UnclosedCaptureName.v'>UnclosedCaptureName(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span><div class='docblock'><p>A capture group name that is never closed. e.g., <code>(?P<a</code>.</p>
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</div><span id="variant.UnclosedHex" class="variant small-section-header"><a href="#variant.UnclosedHex" class="anchor field"></a><code id='UnclosedHex.v'>UnclosedHex</code></span><div class='docblock'><p>An unclosed hexadecimal literal. e.g., <code>\x{a</code>.</p>
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</div><span id="variant.UnclosedParen" class="variant small-section-header"><a href="#variant.UnclosedParen" class="anchor field"></a><code id='UnclosedParen.v'>UnclosedParen</code></span><div class='docblock'><p>An unclosed parenthesis. e.g., <code>(a</code>.</p>
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</div><span id="variant.UnclosedRepeat" class="variant small-section-header"><a href="#variant.UnclosedRepeat" class="anchor field"></a><code id='UnclosedRepeat.v'>UnclosedRepeat</code></span><div class='docblock'><p>An unclosed counted repetition operator. e.g., <code>a{2</code>.</p>
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</div><span id="variant.UnclosedUnicodeName" class="variant small-section-header"><a href="#variant.UnclosedUnicodeName" class="anchor field"></a><code id='UnclosedUnicodeName.v'>UnclosedUnicodeName</code></span><div class='docblock'><p>An unclosed named Unicode class. e.g., <code>\p{Yi</code>.</p>
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</div><span id="variant.UnexpectedClassEof" class="variant small-section-header"><a href="#variant.UnexpectedClassEof" class="anchor field"></a><code id='UnexpectedClassEof.v'>UnexpectedClassEof</code></span><div class='docblock'><p>Saw end of regex before class was closed. e.g., <code>[a</code>.</p>
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</div><span id="variant.UnexpectedEscapeEof" class="variant small-section-header"><a href="#variant.UnexpectedEscapeEof" class="anchor field"></a><code id='UnexpectedEscapeEof.v'>UnexpectedEscapeEof</code></span><div class='docblock'><p>Saw end of regex before escape sequence was closed. e.g., <code>\</code>.</p>
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</div><span id="variant.UnexpectedFlagEof" class="variant small-section-header"><a href="#variant.UnexpectedFlagEof" class="anchor field"></a><code id='UnexpectedFlagEof.v'>UnexpectedFlagEof</code></span><div class='docblock'><p>Saw end of regex before flags were closed. e.g., <code>(?i</code>.</p>
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</div><span id="variant.UnexpectedTwoDigitHexEof" class="variant small-section-header"><a href="#variant.UnexpectedTwoDigitHexEof" class="anchor field"></a><code id='UnexpectedTwoDigitHexEof.v'>UnexpectedTwoDigitHexEof</code></span><div class='docblock'><p>Saw end of regex before two hexadecimal digits were seen. e.g., <code>\xA</code>.</p>
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</div><span id="variant.UnopenedParen" class="variant small-section-header"><a href="#variant.UnopenedParen" class="anchor field"></a><code id='UnopenedParen.v'>UnopenedParen</code></span><div class='docblock'><p>Unopened parenthesis. e.g., <code>)</code>.</p>
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</div><span id="variant.UnrecognizedEscape" class="variant small-section-header"><a href="#variant.UnrecognizedEscape" class="anchor field"></a><code id='UnrecognizedEscape.v'>UnrecognizedEscape(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>)</code></span><div class='docblock'><p>Unrecognized escape sequence. e.g., <code>\q</code>.</p>
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</div><span id="variant.UnrecognizedFlag" class="variant small-section-header"><a href="#variant.UnrecognizedFlag" class="anchor field"></a><code id='UnrecognizedFlag.v'>UnrecognizedFlag(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>)</code></span><div class='docblock'><p>Unrecognized flag. e.g., <code>(?a)</code>.</p>
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</div><span id="variant.UnrecognizedUnicodeClass" class="variant small-section-header"><a href="#variant.UnrecognizedUnicodeClass" class="anchor field"></a><code id='UnrecognizedUnicodeClass.v'>UnrecognizedUnicodeClass(<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span><div class='docblock'><p>Unrecognized named Unicode class. e.g., <code>\p{Foo}</code>.</p>
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</div><span id="variant.StackExhausted" class="variant small-section-header"><a href="#variant.StackExhausted" class="anchor field"></a><code id='StackExhausted.v'>StackExhausted</code></span><div class='docblock'><p>Indicates that the regex uses too much nesting.</p>
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<p>(N.B. This error exists because traversing the Expr is recursive and
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an explicit heap allocated stack is not (yet?) used. Regardless, some
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sort of limit must be applied to avoid unbounded memory growth.</p>
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</div><span id="variant.FlagNotAllowed" class="variant small-section-header"><a href="#variant.FlagNotAllowed" class="anchor field"></a><code id='FlagNotAllowed.v'>FlagNotAllowed(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>)</code></span><div class='docblock'><p>A disallowed flag was found (e.g., <code>u</code>).</p>
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</div><span id="variant.UnicodeNotAllowed" class="variant small-section-header"><a href="#variant.UnicodeNotAllowed" class="anchor field"></a><code id='UnicodeNotAllowed.v'>UnicodeNotAllowed</code></span><div class='docblock'><p>A Unicode class was used when the Unicode (<code>u</code>) flag was disabled.</p>
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</div><span id="variant.InvalidUtf8" class="variant small-section-header"><a href="#variant.InvalidUtf8" class="anchor field"></a><code id='InvalidUtf8.v'>InvalidUtf8</code></span><div class='docblock'><p>InvalidUtf8 indicates that the expression may match non-UTF-8 bytes.
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This never returned if the parser is permitted to allow expressions
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that match arbitrary bytes.</p>
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</div><span id="variant.EmptyClass" class="variant small-section-header"><a href="#variant.EmptyClass" class="anchor field"></a><code id='EmptyClass.v'>EmptyClass</code></span><div class='docblock'><p>A character class was constructed such that it is empty.
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e.g., <code>[^\d\D]</code>.</p>
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</div><span id="variant.UnsupportedClassChar" class="variant small-section-header"><a href="#variant.UnsupportedClassChar" class="anchor field"></a><code id='UnsupportedClassChar.v'>UnsupportedClassChar(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>)</code></span><div class='docblock'><p>Indicates that unsupported notation was used in a character class.</p>
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<p>The char in this error corresponds to the illegal character.</p>
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<p>The intent of this error is to carve a path to support set notation
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as described in UTS#18 RL1.3. We do this by rejecting regexes that
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would use the notation.</p>
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<p>The work around for end users is to escape the character included in
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this error message.</p>
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</div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-PartialEq%3CErrorKind%3E' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><<a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a>> for <a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a></code><a href='#impl-PartialEq%3CErrorKind%3E' class='anchor'></a><a class='srclink' href='../src/regex_syntax/lib.rs.html#1357' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.eq' class="method hidden"><code id='eq.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, other: &<a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../src/regex_syntax/lib.rs.html#1357' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
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</div><h4 id='method.ne' class="method hidden"><code id='ne.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, other: &<a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../src/regex_syntax/lib.rs.html#1357' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>!=</code>.</p>
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</div></div><h3 id='impl-Clone' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a></code><a href='#impl-Clone' class='anchor'></a><a class='srclink' href='../src/regex_syntax/lib.rs.html#1357' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.clone' class="method hidden"><code id='clone.v'>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a></code><a class='srclink' href='../src/regex_syntax/lib.rs.html#1357' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
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</div><h4 id='method.clone_from' class="method"><code id='clone_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#131-133' title='goto source code'>[src]</a></h4><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
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||
</div></div><h3 id='impl-Debug' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a></code><a href='#impl-Debug' class='anchor'></a><a class='srclink' href='../src/regex_syntax/lib.rs.html#1357' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt' class="method hidden"><code id='fmt.v'>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class='srclink' href='../src/regex_syntax/lib.rs.html#1357' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
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</div></div><h3 id='impl-Display' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for <a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a></code><a href='#impl-Display' class='anchor'></a><a class='srclink' href='../src/regex_syntax/lib.rs.html#1549-1641' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt-1' class="method hidden"><code id='fmt.v-1'>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class='srclink' href='../src/regex_syntax/lib.rs.html#1550-1640' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
|
||
</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Send' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a></code><a href='#impl-Send' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="enum" href="../regex_syntax/enum.ErrorKind.html" title="enum regex_syntax::ErrorKind">ErrorKind</a></code><a href='#impl-Sync' class='anchor'></a></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-From' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a> for T</code><a href='#impl-From' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#546-548' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method hidden"><code id='from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#547' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
</div></div><h3 id='impl-Into' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href='#impl-Into' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#537-542' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code id='into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(self) -> U</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#539-541' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
</div></div><h3 id='impl-ToOwned' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, </span></code><a href='#impl-ToOwned' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#80-91' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Owned' class="type"><code id='Owned.t'>type <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned' class="type">Owned</a> = T</code></h4><h4 id='method.to_owned' class="method hidden"><code id='to_owned.v'>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned' class='fnname'>to_owned</a>(&self) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#84-86' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
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</div><h4 id='method.clone_into' class="method hidden"><code id='clone_into.v'>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into' class='fnname'>clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#88-90' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
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</details></div></div><div class='docblock hidden'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
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</div></div><h3 id='impl-ToString' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html" title="trait alloc::string::ToString">ToString</a> for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-ToString' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2122-2132' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.to_string' class="method hidden"><code id='to_string.v'>default fn <a href='https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string' class='fnname'>to_string</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2124-2131' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Converts the given value to a <code>String</code>. <a href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string">Read more</a></p>
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||
</div></div><h3 id='impl-TryFrom' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#565-571' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code id='Error.t'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_from' class="method hidden"><code id='try_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#568-570' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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||
</div></div><h3 id='impl-Borrow' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-215' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code id='borrow.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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</div></div><h3 id='impl-Any' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#100-102' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code id='type_id.v'>fn <a href='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id' class='fnname'>type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#101' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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</div></div><h3 id='impl-BorrowMut' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code id='borrow_mut.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
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</div></div><h3 id='impl-TryInto' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#553-560' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code id='Error.t-1'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_into' class="method hidden"><code id='try_into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#557-559' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g., <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g., <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g., <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../";window.currentCrate = "regex_syntax";</script><script src="../aliases.js"></script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html> |