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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="A knob for controlling the match semantics of an Aho-Corasick automaton."><title>MatchKind in aho_corasick - Rust</title><script> if (window.location.protocol !== "file:") document.write(`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2">`)</script><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-e935ef01ae1c1829.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="aho_corasick" data-themes="" data-resource-suffix="" data-rustdoc-version="1.78.0 (9b00956e5 2024-04-29)" data-channel="1.78.0" data-search-js="search-42d8da7a6b9792c2.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-4c98445ec4002617.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-12cf3b4f4f9dc36d.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-04d5337699b92874.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc enum"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../aho_corasick/index.html">aho_corasick</a><span class="version">1.1.3</span></h2></div><h2 class="location"><a href="#">MatchKind</a></h2><div class="sidebar-elems"><section><h3><a href="#variants">Variants</a></h3><ul class="block variant"><li><a href="#variant.LeftmostFirst">LeftmostFirst</a></li><li><a href="#variant.LeftmostLongest">LeftmostLongest</a></li><li><a href="#variant.Standard">Standard</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-MatchKind">Clone</a></li><li><a href="#impl-Copy-for-MatchKind">Copy</a></li><li><a href="#impl-Debug-for-MatchKind">Debug</a></li><li><a href="#impl-Default-for-MatchKind">Default</a></li><li><a href="#impl-Eq-for-MatchKind">Eq</a></li><li><a href="#impl-PartialEq-for-MatchKind">PartialEq</a></li><li><a href="#impl-StructuralPartialEq-for-MatchKind">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-MatchKind">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-MatchKind">RefUnwindSafe</a></li><li><a href="#impl-Send-for-MatchKind">Send</a></li><li><a href="#impl-Sync-for-MatchKind">Sync</a></li><li><a href="#impl-Unpin-for-MatchKind">Unpin</a></li><li><a href="#impl-UnwindSafe-for-MatchKind">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-T">From&lt;T&gt;</a></li><li><a href="#impl-Into%3CU%3E-for-T">Into&lt;U&gt;</a></li><li><a href="#impl-ToOwned-for-T">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-T">TryInto&lt;U&gt;</a></li></ul></section><h2><a href="index.html">In crate aho_corasick</a></h2></div></nav><div class="sidebar-resizer"></div>
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../aho_corasick/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Enum <a href="index.html">aho_corasick</a>::<wbr><a class="enum" href="#">MatchKind</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/aho_corasick/util/search.rs.html#1052-1074">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code><div class="code-attribute">#[non_exhaustive]</div>pub enum MatchKind {
Standard,
LeftmostFirst,
LeftmostLongest,
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A knob for controlling the match semantics of an Aho-Corasick automaton.</p>
<p>There are two generally different ways that Aho-Corasick automatons can
report matches. The first way is the “standard” approach that results from
implementing most textbook explanations of Aho-Corasick. The second way is
to report only the leftmost non-overlapping matches. The leftmost approach
is in turn split into two different ways of resolving ambiguous matches:
leftmost-first and leftmost-longest.</p>
<p>The <code>Standard</code> match kind is the default and is the only one that supports
overlapping matches and stream searching. (Trying to find overlapping or
streaming matches using leftmost match semantics will result in an error in
fallible APIs and a panic when using infallibe APIs.) The <code>Standard</code> match
kind will report matches as they are seen. When searching for overlapping
matches, then all possible matches are reported. When searching for
non-overlapping matches, the first match seen is reported. For example, for
non-overlapping matches, given the patterns <code>abcd</code> and <code>b</code> and the haystack
<code>abcdef</code>, only a match for <code>b</code> is reported since it is detected first. The
<code>abcd</code> match is never reported since it overlaps with the <code>b</code> match.</p>
<p>In contrast, the leftmost match kind always prefers the leftmost match
among all possible matches. Given the same example as above with <code>abcd</code> and
<code>b</code> as patterns and <code>abcdef</code> as the haystack, the leftmost match is <code>abcd</code>
since it begins before the <code>b</code> match, even though the <code>b</code> match is detected
before the <code>abcd</code> match. In this case, the <code>b</code> match is not reported at all
since it overlaps with the <code>abcd</code> match.</p>
<p>The difference between leftmost-first and leftmost-longest is in how they
resolve ambiguous matches when there are multiple leftmost matches to
choose from. Leftmost-first always chooses the pattern that was provided
earliest, where as leftmost-longest always chooses the longest matching
pattern. For example, given the patterns <code>a</code> and <code>ab</code> and the subject
string <code>ab</code>, the leftmost-first match is <code>a</code> but the leftmost-longest match
is <code>ab</code>. Conversely, if the patterns were given in reverse order, i.e.,
<code>ab</code> and <code>a</code>, then both the leftmost-first and leftmost-longest matches
would be <code>ab</code>. Stated differently, the leftmost-first match depends on the
order in which the patterns were given to the Aho-Corasick automaton.
Because of that, when leftmost-first matching is used, if a pattern <code>A</code>
that appears before a pattern <code>B</code> is a prefix of <code>B</code>, then it is impossible
to ever observe a match of <code>B</code>.</p>
<p>If you’re not sure which match kind to pick, then stick with the standard
kind, which is the default. In particular, if you need overlapping or
streaming matches, then you <em>must</em> use the standard kind. The leftmost
kinds are useful in specific circumstances. For example, leftmost-first can
be very useful as a way to implement match priority based on the order of
patterns given and leftmost-longest can be useful for dictionary searching
such that only the longest matching words are reported.</p>
<h2 id="relationship-with-regular-expression-alternations"><a class="doc-anchor" href="#relationship-with-regular-expression-alternations">§</a>Relationship with regular expression alternations</h2>
<p>Understanding match semantics can be a little tricky, and one easy way
to conceptualize non-overlapping matches from an Aho-Corasick automaton
is to think about them as a simple alternation of literals in a regular
expression. For example, let’s say we wanted to match the strings
<code>Sam</code> and <code>Samwise</code>, which would turn into the regex <code>Sam|Samwise</code>. It
turns out that regular expression engines have two different ways of
matching this alternation. The first way, leftmost-longest, is commonly
found in POSIX compatible implementations of regular expressions (such as
<code>grep</code>). The second way, leftmost-first, is commonly found in backtracking
implementations such as Perl. (Some regex engines, such as RE2 and Rust’s
regex engine do not use backtracking, but still implement leftmost-first
semantics in an effort to match the behavior of dominant backtracking
regex engines such as those found in Perl, Ruby, Python, Javascript and
PHP.)</p>
<p>That is, when matching <code>Sam|Samwise</code> against <code>Samwise</code>, a POSIX regex
will match <code>Samwise</code> because it is the longest possible match, but a
Perl-like regex will match <code>Sam</code> since it appears earlier in the
alternation. Indeed, the regex <code>Sam|Samwise</code> in a Perl-like regex engine
will never match <code>Samwise</code> since <code>Sam</code> will always have higher priority.
Conversely, matching the regex <code>Samwise|Sam</code> against <code>Samwise</code> will lead to
a match of <code>Samwise</code> in both POSIX and Perl-like regexes since <code>Samwise</code> is
still longest match, but it also appears earlier than <code>Sam</code>.</p>
<p>The “standard” match semantics of Aho-Corasick generally don’t correspond
to the match semantics of any large group of regex implementations, so
there’s no direct analogy that can be made here. Standard match semantics
are generally useful for overlapping matches, or if you just want to see
matches as they are detected.</p>
<p>The main conclusion to draw from this section is that the match semantics
can be tweaked to precisely match either Perl-like regex alternations or
POSIX regex alternations.</p>
</div></details><h2 id="variants" class="variants section-header">Variants (Non-exhaustive)<a href="#variants" class="anchor">§</a></h2><details class="toggle non-exhaustive"><summary class="hideme"><span>This enum is marked as non-exhaustive</span></summary><div class="docblock">Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.</div></details><div class="variants"><section id="variant.Standard" class="variant"><a href="#variant.Standard" class="anchor">§</a><h3 class="code-header">Standard</h3></section><div class="docblock"><p>Use standard match semantics, which support overlapping matches. When
used with non-overlapping matches, matches are reported as they are
seen.</p>
</div><section id="variant.LeftmostFirst" class="variant"><a href="#variant.LeftmostFirst" class="anchor">§</a><h3 class="code-header">LeftmostFirst</h3></section><div class="docblock"><p>Use leftmost-first match semantics, which reports leftmost matches.
When there are multiple possible leftmost matches, the match
corresponding to the pattern that appeared earlier when constructing
the automaton is reported.</p>
<p>This does <strong>not</strong> support overlapping matches or stream searching. If
this match kind is used, attempting to find overlapping matches or
stream matches will fail.</p>
</div><section id="variant.LeftmostLongest" class="variant"><a href="#variant.LeftmostLongest" class="anchor">§</a><h3 class="code-header">LeftmostLongest</h3></section><div class="docblock"><p>Use leftmost-longest match semantics, which reports leftmost matches.
When there are multiple possible leftmost matches, the longest match
is chosen.</p>
<p>This does <strong>not</strong> support overlapping matches or stream searching. If
this match kind is used, attempting to find overlapping matches or
stream matches will fail.</p>
</div></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-MatchKind" class="impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#impl-Clone-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&amp;self) -&gt; <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.78.0/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.78.0/src/core/clone.rs.html#169">source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/1.78.0/std/primitive.reference.html">&amp;Self</a>)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.78.0/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-MatchKind" class="impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#impl-Debug-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.78.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.78.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.78.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Default-for-MatchKind" class="impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1077-1081">source</a><a href="#impl-Default-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section></summary><div class="docblock"><p>The default match kind is <code>MatchKind::Standard</code>.</p>
</div><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.default" class="method trait-impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1078-1080">source</a><a href="#method.default" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/default/trait.Default.html#tymethod.default" class="fn">default</a>() -&gt; <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h4></section></summary><div class='docblock'>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/1.78.0/core/default/trait.Default.html#tymethod.default">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialEq-for-MatchKind" class="impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#impl-PartialEq-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/cmp/trait.PartialEq.html#tymethod.eq" class="fn">eq</a>(&amp;self, other: &amp;<a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.78.0/std/primitive.bool.html">bool</a></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>.</div></details><details class="toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.78.0/src/core/cmp.rs.html#263">source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/cmp/trait.PartialEq.html#method.ne" class="fn">ne</a>(&amp;self, other: <a class="primitive" href="https://doc.rust-lang.org/1.78.0/std/primitive.reference.html">&amp;Rhs</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.78.0/std/primitive.bool.html">bool</a></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.</div></details></div></details><section id="impl-Copy-for-MatchKind" class="impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#impl-Copy-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section><section id="impl-Eq-for-MatchKind" class="impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#impl-Eq-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section><section id="impl-StructuralPartialEq-for-MatchKind" class="impl"><a class="src rightside" href="../src/aho_corasick/util/search.rs.html#1051">source</a><a href="#impl-StructuralPartialEq-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-MatchKind" class="impl"><a href="#impl-Freeze-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section><section id="impl-RefUnwindSafe-for-MatchKind" class="impl"><a href="#impl-RefUnwindSafe-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section><section id="impl-Send-for-MatchKind" class="impl"><a href="#impl-Send-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section><section id="impl-Sync-for-MatchKind" class="impl"><a href="#impl-Sync-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section><section id="impl-Unpin-for-MatchKind" class="impl"><a href="#impl-Unpin-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section><section id="impl-UnwindSafe-for-MatchKind" class="impl"><a href="#impl-UnwindSafe-for-MatchKind" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="enum" href="enum.MatchKind.html" title="enum aho_corasick::MatchKind">MatchKind</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/any.rs.html#140">source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/any.rs.html#141">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.78.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.78.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/borrow.rs.html#208">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.78.0/std/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.78.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/borrow.rs.html#216">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.78.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.78.0/std/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.78.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/convert/mod.rs.html#765">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/convert/mod.rs.html#768">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/convert/mod.rs.html#748-750">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/convert/mod.rs.html#758">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/1.78.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/alloc/borrow.rs.html#83-85">source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.78.0/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.78.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/alloc/borrow.rs.html#88">source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.78.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/alloc/borrow.rs.html#92">source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/1.78.0/std/primitive.reference.html">&amp;mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.78.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/convert/mod.rs.html#805-807">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.78.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/convert/mod.rs.html#812">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.78.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/convert/mod.rs.html#790-792">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.78.0/src/core/convert/mod.rs.html#797">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.78.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.78.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>
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