<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `ErrorKind` enum in crate `regex_syntax`."><metaname="keywords"content="rust, rustlang, rust-lang, ErrorKind"><title>regex_syntax::ast::ErrorKind - Rust</title><linkrel="stylesheet"type="text/css"href="../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../dark.css"><linkrel="stylesheet"type="text/css"href="../../light.css"id="themeStyle"><scriptsrc="../../storage.js"></script><noscript><linkrel="stylesheet"href="../../noscript.css"></noscript><linkrel="shortcut icon"href="../../favicon.ico"><styletype="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><bodyclass="rustdoc enum"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu">☰</div><ahref='../../regex_syntax/index.html'><divclass='logo-container'><imgsrc='../../rust-logo.png'alt='logo'></div></a><pclass='location'>Enum ErrorKind</p><divclass="sidebar-elems"><divclass="block items"><aclass="sidebar-title"href="#variants">Variants</a><divclass="sidebar-links"><ahref="#variant.CaptureLimitExceeded">CaptureLimitExceeded</a><ahref="#variant.ClassEscapeInvalid">ClassEscapeInvalid</a><ahref="#variant.ClassRangeInvalid">ClassRangeInvalid</a><ahref="#variant.ClassRangeLiteral">ClassRangeLiteral</a><ahref="#variant.ClassUnclosed">ClassUnclosed</a><ahref="#variant.DecimalEmpty">DecimalEmpty</a><ahref="#variant.DecimalInvalid">DecimalInvalid</a><ahref="#variant.EscapeHexEmpty">EscapeHexEmpty</a><ahref="#variant.EscapeHexInvalid">EscapeHexInvalid</a><ahref="#variant.EscapeHexInvalidDigit">EscapeHexInvalidDigit</a><ahref="#variant.EscapeUnexpectedEof">EscapeUnexpectedEof</a><ahref="#variant.EscapeUnrecognized">EscapeUnrecognized</a><ahref="#variant.FlagDanglingNegation">FlagDanglingNegation</a><ahref="#variant.FlagDuplicate">FlagDuplicate</a><ahref="#variant.FlagRepeatedNegation">FlagRepeatedNegation</a><ahref="#variant.FlagUnexpectedEof">FlagUnexpectedEof</a><ahref="#variant.FlagUnrecognized">FlagUnrecognized</a><ahref="#variant.GroupNameDuplicate">GroupNameDuplicate</a><ahref="#variant.GroupNameEmpty">GroupNameEmpty</a><ahref="#variant.GroupNameInvalid">GroupNameInvalid</a><ahref="#variant.GroupNameUnexpectedEof">GroupNameUnexpectedEof</a><ahref="#variant.GroupUnclosed">GroupUnclosed</a><ahref="#variant.GroupUnopened">GroupUnopened</a><ahref="#variant.NestLimitExceeded">NestLimitExceeded</a><ahref="#variant.RepetitionCountInvalid">RepetitionCountInvalid</a><ahref="#variant.RepetitionCountDecimalEmpty">RepetitionCountDecimalEmpty</a><ahref="#variant.RepetitionCountUnclosed">RepetitionCountUnclosed</a><ahref="#variant.RepetitionMissing">RepetitionMissing</a><ahref="#variant.UnsupportedBackreference">UnsupportedBackreference</a><ahref="#variant.UnsupportedLookAround">UnsupportedLookAround</a></div><aclass="sidebar-title"href="#implementations">Trait Implementations</a><divclass="sidebar-links"><ahref="#impl-Clone">Clone</a><ahref="#impl-Debug">Debug</a><ahref="#impl-Display">Display</a><ahref="#impl-Eq">Eq</a><ahref="#impl-PartialEq%3CErrorKind%3E">PartialEq<ErrorKind></a></div><aclass="sidebar-title"href="#synthetic-implementations">Auto Trait Implementations</a><divclass="sidebar-links"><ahref="#impl-RefUnwindSafe">RefUnwindSafe</a><ahref="#impl-Send">Send</a><ahref="#impl-Sync">Sync</a><ahref="#impl-Unpin">Unpin</a><ahref="#impl-UnwindSafe">UnwindSafe</a></div><aclass="sidebar-title"href="#blanket-implementations">Blanket Implementations</a><divclass="sidebar-links"><ahref="#impl-Any">Any</a><ahref="#impl-Borrow%3CT%3E">Borrow<T></a><ahref="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><ahref="#
<spanid="variant.CaptureLimitExceeded"class="variant small-section-header"><ahref="#variant.CaptureLimitExceeded"class="anchor field"></a><codeid='CaptureLimitExceeded.v'>CaptureLimitExceeded</code></span><divclass='docblock'><p>The capturing group limit was exceeded.</p>
<p>Note that this represents a limit on the total number of capturing
groups in a regex and not necessarily the number of nested capturing
groups. That is, the nest limit can be low and it is still possible for
this error to occur.</p>
</div><spanid="variant.ClassEscapeInvalid"class="variant small-section-header"><ahref="#variant.ClassEscapeInvalid"class="anchor field"></a><codeid='ClassEscapeInvalid.v'>ClassEscapeInvalid</code></span><divclass='docblock'><p>An invalid escape sequence was found in a character class set.</p>
</div><spanid="variant.ClassRangeInvalid"class="variant small-section-header"><ahref="#variant.ClassRangeInvalid"class="anchor field"></a><codeid='ClassRangeInvalid.v'>ClassRangeInvalid</code></span><divclass='docblock'><p>An invalid character class range was found. An invalid range is any
range where the start is greater than the end.</p>
</div><spanid="variant.ClassRangeLiteral"class="variant small-section-header"><ahref="#variant.ClassRangeLiteral"class="anchor field"></a><codeid='ClassRangeLiteral.v'>ClassRangeLiteral</code></span><divclass='docblock'><p>An invalid range boundary was found in a character class. Range
boundaries must be a single literal codepoint, but this error indicates
that something else was found, such as a nested class.</p>
</div><spanid="variant.ClassUnclosed"class="variant small-section-header"><ahref="#variant.ClassUnclosed"class="anchor field"></a><codeid='ClassUnclosed.v'>ClassUnclosed</code></span><divclass='docblock'><p>An opening <code>[</code> was found with no corresponding closing <code>]</code>.</p>
</div><spanid="variant.DecimalEmpty"class="variant small-section-header"><ahref="#variant.DecimalEmpty"class="anchor field"></a><codeid='DecimalEmpty.v'>DecimalEmpty</code></span><divclass='docblock'><p>Note that this error variant is no longer used. Namely, a decimal
number can only appear as a repetition quantifier. When the number
in a repetition quantifier is empty, then it gets its own specialized
</div><spanid="variant.DecimalInvalid"class="variant small-section-header"><ahref="#variant.DecimalInvalid"class="anchor field"></a><codeid='DecimalInvalid.v'>DecimalInvalid</code></span><divclass='docblock'><p>An invalid decimal number was given where one was expected.</p>
</div><spanid="variant.EscapeHexEmpty"class="variant small-section-header"><ahref="#variant.EscapeHexEmpty"class="anchor field"></a><codeid='EscapeHexEmpty.v'>EscapeHexEmpty</code></span><divclass='docblock'><p>A bracketed hex literal was empty.</p>
</div><spanid="variant.EscapeHexInvalid"class="variant small-section-header"><ahref="#variant.EscapeHexInvalid"class="anchor field"></a><codeid='EscapeHexInvalid.v'>EscapeHexInvalid</code></span><divclass='docblock'><p>A bracketed hex literal did not correspond to a Unicode scalar value.</p>
</div><spanid="variant.EscapeHexInvalidDigit"class="variant small-section-header"><ahref="#variant.EscapeHexInvalidDigit"class="anchor field"></a><codeid='EscapeHexInvalidDigit.v'>EscapeHexInvalidDigit</code></span><divclass='docblock'><p>An invalid hexadecimal digit was found.</p>
</div><spanid="variant.EscapeUnexpectedEof"class="variant small-section-header"><ahref="#variant.EscapeUnexpectedEof"class="anchor field"></a><codeid='EscapeUnexpectedEof.v'>EscapeUnexpectedEof</code></span><divclass='docblock'><p>EOF was found before an escape sequence was completed.</p>
</div><spanid="variant.FlagDanglingNegation"class="variant small-section-header"><ahref="#variant.FlagDanglingNegation"class="anchor field"></a><codeid='FlagDanglingNegation.v'>FlagDanglingNegation</code></span><divclass='docblock'><p>A dangling negation was used when setting flags, e.g., <code>i-</code>.</p>
</div><spanid="variant.FlagDuplicate"class="variant small-section-header"><ahref="#variant.FlagDuplicate"class="anchor field"></a><codeid='FlagDuplicate.v'>FlagDuplicate</code></span><divclass='docblock'><p>A flag was used twice, e.g., <code>i-i</code>.</p>
</div><spanclass='autohide sub-variant'id='variant.FlagDuplicate.fields'><h3>Fields of <b>FlagDuplicate</b></h3><div><spanid="variant.FlagDuplicate.field.original"class="variant small-section-header"><ahref="#variant.FlagDuplicate.field.original"class="anchor field"></a><codeid='FlagDuplicate.v.original.v'>original: <aclass="struct"href="../../regex_syntax/ast/struct.Span.html"title="struct regex_syntax::ast::Span">Span</a></code></span><divclass='docblock'><p>The position of the original flag. The error position
points to the duplicate flag.</p>
</div></div></span><spanid="variant.FlagRepeatedNegation"class="variant small-section-header"><ahref="#variant.FlagRepeatedNegation"class="anchor field"></a><codeid='FlagRepeatedNegation.v'>FlagRepeatedNegation</code></span><divclass='docblock'><p>The negation operator was used twice, e.g., <code>-i-s</code>.</p>
</div><spanclass='autohide sub-variant'id='variant.FlagRepeatedNegation.fields'><h3>Fields of <b>FlagRepeatedNegation</b></h3><div><spanid="variant.FlagRepeatedNegation.field.original"class="variant small-section-header"><ahref="#variant.FlagRepeatedNegation.field.original"class="anchor field"></a><codeid='FlagRepeatedNegation.v.original.v'>original: <aclass="struct"href="../../regex_syntax/ast/struct.Span.html"title="struct regex_syntax::ast::Span">Span</a></code></span><divclass='docblock'><p>The position of the original negation operator. The error position
points to the duplicate negation operator.</p>
</div></div></span><spanid="variant.FlagUnexpectedEof"class="variant small-section-header"><ahref="#variant.FlagUnexpectedEof"class="anchor field"></a><codeid='FlagUnexpectedEof.v'>FlagUnexpectedEof</code></span><divclass='docblock'><p>Expected a flag but got EOF, e.g., <code>(?</code>.</p>
</div><spanid="variant.GroupNameDuplicate"class="variant small-section-header"><ahref="#variant.GroupNameDuplicate"class="anchor field"></a><codeid='GroupNameDuplicate.v'>GroupNameDuplicate</code></span><divclass='docblock'><p>A duplicate capture name was found.</p>
</div><spanclass='autohide sub-variant'id='variant.GroupNameDuplicate.fields'><h3>Fields of <b>GroupNameDuplicate</b></h3><div><spanid="variant.GroupNameDuplicate.field.original"class="variant small-section-header"><ahref="#variant.GroupNameDuplicate.field.original"class="anchor field"></a><codeid='GroupNameDuplicate.v.original.v'>original: <aclass="struct"href="../../regex_syntax/ast/struct.Span.html"title="struct regex_syntax::ast::Span">Span</a></code></span><divclass='docblock'><p>The position of the initial occurrence of the capture name. The
error position itself points to the duplicate occurrence.</p>
</div></div></span><spanid="variant.GroupNameEmpty"class="variant small-section-header"><ahref="#variant.GroupNameEmpty"class="anchor field"></a><codeid='GroupNameEmpty.v'>GroupNameEmpty</code></span><divclass='docblock'><p>A capture group name is empty, e.g., <code>(?P<>abc)</code>.</p>
</div><spanid="variant.GroupNameInvalid"class="variant small-section-header"><ahref="#variant.GroupNameInvalid"class="anchor field"></a><codeid='GroupNameInvalid.v'>GroupNameInvalid</code></span><divclass='docblock'><p>An invalid character was seen for a capture group name. This includes
errors where the first character is a digit (even though subsequent
characters are allowed to be digits).</p>
</div><spanid="variant.GroupNameUnexpectedEof"class="variant small-section-header"><ahref="#variant.GroupNameUnexpectedEof"class="anchor field"></a><codeid='GroupNameUnexpectedEof.v'>GroupNameUnexpectedEof</code></span><divclass='docblock'><p>A closing <code>></code> could not be found for a capture group name.</p>
</div><spanid="variant.NestLimitExceeded"class="variant small-section-header"><ahref="#variant.NestLimitExceeded"class="anchor field"></a><codeid='NestLimitExceeded.v'>NestLimitExceeded(<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>)</code></span><divclass='docblock'><p>The nest limit was exceeded. The limit stored here is the limit
configured in the parser.</p>
</div><spanid="variant.RepetitionCountInvalid"class="variant small-section-header"><ahref="#variant.RepetitionCountInvalid"class="anchor field"></a><codeid='RepetitionCountInvalid.v'>RepetitionCountInvalid</code></span><divclass='docblock'><p>The range provided in a counted repetition operator is invalid. The
range is invalid if the start is greater than the end.</p>
</div><spanid="variant.RepetitionCountDecimalEmpty"class="variant small-section-header"><ahref="#variant.RepetitionCountDecimalEmpty"class="anchor field"></a><codeid='RepetitionCountDecimalEmpty.v'>RepetitionCountDecimalEmpty</code></span><divclass='docblock'><p>An opening <code>{</code> was not followed by a valid decimal value.
For example, <code>x{}</code> or <code>x{]}</code> would fail.</p>
</div><spanid="variant.RepetitionCountUnclosed"class="variant small-section-header"><ahref="#variant.RepetitionCountUnclosed"class="anchor field"></a><codeid='RepetitionCountUnclosed.v'>RepetitionCountUnclosed</code></span><divclass='docblock'><p>An opening <code>{</code> was found with no corresponding closing <code>}</code>.</p>
</div><spanid="variant.RepetitionMissing"class="variant small-section-header"><ahref="#variant.RepetitionMissing"class="anchor field"></a><codeid='RepetitionMissing.v'>RepetitionMissing</code></span><divclass='docblock'><p>A repetition operator was applied to a missing sub-expression. This
occurs, for example, in the regex consisting of just a <code>*</code> or even
<code>(?i)*</code>. It is, however, possible to create a repetition operating on
an empty sub-expression. For example, <code>()*</code> is still considered valid.</p>
</div><spanid="variant.UnsupportedBackreference"class="variant small-section-header"><ahref="#variant.UnsupportedBackreference"class="anchor field"></a><codeid='UnsupportedBackreference.v'>UnsupportedBackreference</code></span><divclass='docblock'><p>When octal support is disabled, this error is produced when an octal
escape is used. The octal escape is assumed to be an invocation of
a backreference, which is the common case.</p>
</div><spanid="variant.UnsupportedLookAround"class="variant small-section-header"><ahref="#variant.UnsupportedLookAround"class="anchor field"></a><codeid='UnsupportedLookAround.v'>UnsupportedLookAround</code></span><divclass='docblock'><p>When syntax similar to PCRE's look-around is used, this error is
returned. Some example syntaxes that are rejected include, but are
not necessarily limited to, <code>(?=re)</code>, <code>(?!re)</code>, <code>(?<=re)</code> and
<code>(?<!re)</code>. Note that all of these syntaxes are otherwise invalid; this
error is used to improve the user experience.</p>
</div><h2id='implementations'class='small-section-header'>Trait Implementations<ahref='#implementations'class='anchor'></a></h2><divid='implementations-list'><h3id='impl-Eq'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html"title="trait core::cmp::Eq">Eq</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-Eq'class='anchor'></a><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#68'title='goto source code'>[src]</a></h3><divclass='impl-items'></div><h3id='impl-Clone'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-Clone'class='anchor'></a><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#68'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.clone'class="method hidden"><codeid='clone.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone'class='fnname'>clone</a>(&self) -><aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#68'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Returns a copy of the value. <ahref="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
</div><h4id='method.clone_from'class="method hidden"><codeid='clone_from.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from'class='fnname'>clone_from</a>(&mut self, source: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code><spanclass='since'title='Stable since Rust version 1.0.0'>1.0.0</span><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#131-133'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs copy-assignment from <code>source</code>. <ahref="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
</div></div><h3id='impl-PartialEq%3CErrorKind%3E'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html"title="trait core::cmp::PartialEq">PartialEq</a><<aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a>> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-PartialEq%3CErrorKind%3E'class='anchor'></a><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#68'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.eq'class="method hidden"><codeid='eq.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq'class='fnname'>eq</a>(&self, other: &<aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a>) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#68'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
</div></div><h3id='impl-Debug'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html"title="trait core::fmt::Debug">Debug</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-Debug'class='anchor'></a><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#68'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.fmt'class="method hidden"><codeid='fmt.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt'class='fnname'>fmt</a>(&self, f: &mut <aclass="struct"href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html"title="struct core::fmt::Formatter">Formatter</a>) -><aclass="type"href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html"title="type core::fmt::Result">Result</a></code><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#68'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Formats the value using the given formatter. <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3id='impl-Display'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-Display'class='anchor'></a><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#222-307'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.fmt-1'class="method hidden"><codeid='fmt.v-1'>fn <ahref='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt'class='fnname'>fmt</a>(&self, f: &mut <aclass="struct"href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html"title="struct core::fmt::Formatter">Formatter</a>) -><aclass="type"href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html"title="type core::fmt::Result">Result</a></code><aclass='srclink'href='../../src/regex_syntax/ast/mod.rs.html#223-306'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Formats the value using the given formatter. <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
</div></div></div><h2id='synthetic-implementations'class='small-section-header'>Auto Trait Implementations<ahref='#synthetic-implementations'class='anchor'></a></h2><divid='synthetic-implementations-list'><h3id='impl-Sync'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-Sync'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-Send'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-Send'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-Unpin'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html"title="trait core::marker::Unpin">Unpin</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-Unpin'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-RefUnwindSafe'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html"title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-RefUnwindSafe'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-UnwindSafe'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html"title="trait std::panic::UnwindSafe">UnwindSafe</a> for <aclass="enum"href="../../regex_syntax/ast/enum.ErrorKind.html"title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><ahref='#impl-UnwindSafe'class='anchor'></a></h3><divclass='impl-items'></div></div><h2id='blanket-implementations'class='small-section-header'>Blanket Implementations<ahref='#blanket-implementations'class='anchor'></a></h2><divid='blanket-implementations-list'><h3id='impl-Into%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><T>, </span></code><ahref='#impl-Into%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#543-548'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.into'class="method hidden"><codeid='into.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into'class='fnname'>into</a>(self) -> U</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#545-547'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-ToString'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html"title="trait alloc::string::ToString">ToString</a> for T <spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-ToString'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2134-2144'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.to_string'class="method hidden"><codeid='to_string.v'>default fn <ahref='https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string'class='fnname'>to_string</a>(&self) -><aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html"title="struct alloc::string::String">String</a></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2136-2143'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Converts the given value to a <code>String</code>. <ahref="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string">Read more</a></p>
</div></div><h3id='impl-ToOwned'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html"title="trait alloc::borrow::ToOwned">ToOwned</a> for T <spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a>, </span></code><ahref='#impl-ToOwned'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#81-92'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Owned'class="type"><codeid='Owned.t'>type <ahref='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned'class="type">Owned</a> = T</code></h4><divclass='docblock'><p>The resulting type after obtaining ownership.</p>
</div><h4id='method.to_owned'class="method hidden"><codeid='to_owned.v'>fn <ahref='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned'class='fnname'>to_owned</a>(&self) -> T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#85-87'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Creates owned data from borrowed data, usually by cloning. <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
</div><h4id='method.clone_into'class="method hidden"><codeid='clone_into.v'>fn <ahref='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into'class='fnname'>clone_into</a>(&self, target: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89-91'title='goto source code'>[src]</a></h4><divclass='stability hidden'><divclass='stab unstable'><details><summary><spanclass='emoji'>🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
</details></div></div><divclass='docblock hidden'><p>Uses borrowed data to replace owned data, usually by cloning. <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
</div></div><h3id='impl-TryFrom%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>, </span></code><ahref='#impl-TryFrom%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#571-577'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Error'class="type"><codeid='Error.t'>type <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error'class="type">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></code></h4><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4id='method.try_from'class="method hidden"><codeid='try_from.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from'class='fnname'>try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#574-576'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-TryInto%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><ahref='#impl-TryInto%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#559-566'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Error-1'class="type"><codeid='Error.t-1'>type <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error'class="type">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="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><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4id='method.try_into'class="method hidden"><codeid='try_into.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into'class='fnname'>try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#563-565'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-BorrowMut%3CT%3E'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html"title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-BorrowMut%3CT%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.borrow_mut'class="method hidden"><codeid='borrow_mut.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut'class='fnname'>borrow_mut</a>(&mut self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Mutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3id='impl-Borrow%3CT%3E'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html"title="trait core::borrow::Borrow">Borrow</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-Borrow%3CT%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-215'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.borrow'class="method hidden"><codeid='borrow.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow'class='fnname'>borrow</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Immutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3id='impl-Any'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html"title="trait core::any::Any">Any</a> for T <spanclass="where fmt-newline">where<br> T: 'static + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-Any'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#100-102'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.type_id'class="method hidden"><codeid='type_id.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id'class='fnname'>type_id</a>(&self) -><aclass="struct"href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html"title="struct core::any::TypeId">TypeId</a></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#101'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <ahref="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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