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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="LookSet is a memory-efficient set of look-around assertions."><title>LookSet in regex_automata::util::look - Rust</title><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"><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="regex_automata" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-feafe1bb7466e4bd.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 struct"><!--[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">&#9776;</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../regex_automata/index.html">regex_automata</a><span class="version">0.4.6</span></h2></div><h2 class="location"><a href="#">LookSet</a></h2><div class="sidebar-elems"><section><h3><a href="#fields">Fields</a></h3><ul class="block structfield"><li><a href="#structfield.bits">bits</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.available">available</a></li><li><a href="#method.contains">contains</a></li><li><a href="#method.contains_anchor">contains_anchor</a></li><li><a href="#method.contains_anchor_crlf">contains_anchor_crlf</a></li><li><a href="#method.contains_anchor_haystack">contains_anchor_haystack</a></li><li><a href="#method.contains_anchor_lf">contains_anchor_lf</a></li><li><a href="#method.contains_anchor_line">contains_anchor_line</a></li><li><a href="#method.contains_word">contains_word</a></li><li><a href="#method.contains_word_ascii">contains_word_ascii</a></li><li><a href="#method.contains_word_unicode">contains_word_unicode</a></li><li><a href="#method.empty">empty</a></li><li><a href="#method.full">full</a></li><li><a href="#method.insert">insert</a></li><li><a href="#method.intersect">intersect</a></li><li><a href="#method.is_empty">is_empty</a></li><li><a href="#method.iter">iter</a></li><li><a href="#method.len">len</a></li><li><a href="#method.read_repr">read_repr</a></li><li><a href="#method.remove">remove</a></li><li><a href="#method.set_insert">set_insert</a></li><li><a href="#method.set_intersect">set_intersect</a></li><li><a href="#method.set_remove">set_remove</a></li><li><a href="#method.set_subtract">set_subtract</a></li><li><a href="#method.set_un
deploy: 4a83cfd6f9c58b14a87234162281aad1aef83c3e
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../../regex_automata/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>Struct <a href="../../index.html">regex_automata</a>::<wbr><a href="../index.html">util</a>::<wbr><a href="index.html">look</a>::<wbr><a class="struct" href="#">LookSet</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/regex_automata/util/look.rs.html#244-255">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub struct LookSet {
pub bits: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.u32.html">u32</a>,
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>LookSet is a memory-efficient set of look-around assertions.</p>
<p>This is useful for efficiently tracking look-around assertions. For
example, a <a href="../../nfa/thompson/struct.NFA.html" title="struct regex_automata::nfa::thompson::NFA"><code>thompson::NFA</code></a> provides properties
that return <code>LookSet</code>s.</p>
</div></details><h2 id="fields" class="fields section-header">Fields<a href="#fields" class="anchor">§</a></h2><span id="structfield.bits" class="structfield section-header"><a href="#structfield.bits" class="anchor field">§</a><code>bits: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.u32.html">u32</a></code></span><div class="docblock"><p>The underlying representation this set is exposed to make it possible
to store it somewhere efficiently. The representation is that
of a bitset, where each assertion occupies bit <code>i</code> where
<code>i = Look::as_repr()</code>.</p>
<p>Note that users of this internal representation must permit the full
range of <code>u16</code> values to be represented. For example, even if the
current implementation only makes use of the 10 least significant bits,
it may use more bits in a future semver compatible release.</p>
</div><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-LookSet" class="impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#257-499">source</a><a href="#impl-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.empty" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#260-262">source</a><h4 class="code-header">pub fn <a href="#method.empty" class="fn">empty</a>() -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Create an empty set of look-around assertions.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.full" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#268-270">source</a><h4 class="code-header">pub fn <a href="#method.full" class="fn">full</a>() -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Create a full set of look-around assertions.</p>
<p>This set contains all possible look-around assertions.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.singleton" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#277-279">source</a><h4 class="code-header">pub fn <a href="#method.singleton" class="fn">singleton</a>(look: <a class="enum" href="enum.Look.html" title="enum regex_automata::util::look::Look">Look</a>) -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Create a look-around set containing the look-around assertion given.</p>
<p>This is a convenience routine for creating an empty set and inserting
one look-around assertions.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.len" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#283-287">source</a><h4 class="code-header">pub fn <a href="#method.len" class="fn">len</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the total number of look-around assertions in this set.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.is_empty" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#291-293">source</a><h4 class="code-header">pub fn <a href="#method.is_empty" class="fn">is_empty</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set is empty.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#298-300">source</a><h4 class="code-header">pub fn <a href="#method.contains" class="fn">contains</a>(self, look: <a class="enum" href="enum.Look.html" title="enum regex_automata::util::look::Look">Look</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if the given look-around assertion is in this
set.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains_anchor" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#305-307">source</a><h4 class="code-header">pub fn <a href="#method.contains_anchor" class="fn">contains_anchor</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set contains any anchor assertions.
This includes both “start/end of haystack” and “start/end of line.”</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains_anchor_haystack" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#312-314">source</a><h4 class="code-header">pub fn <a href="#method.contains_anchor_haystack" class="fn">contains_anchor_haystack</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set contains any “start/end of
haystack” anchors. This doesn’t include “start/end of line” anchors.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains_anchor_line" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#320-325">source</a><h4 class="code-header">pub fn <a href="#method.contains_anchor_line" class="fn">contains_anchor_line</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set contains any “start/end of line”
anchors. This doesn’t include “start/end of haystack” anchors. This
includes both <code>\n</code> line anchors and CRLF (<code>\r\n</code>) aware line anchors.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains_anchor_lf" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#331-333">source</a><h4 class="code-header">pub fn <a href="#method.contains_anchor_lf" class="fn">contains_anchor_lf</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set contains any “start/end of line”
anchors that only treat <code>\n</code> as line terminators. This does not include
haystack anchors or CRLF aware line anchors.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains_anchor_crlf" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#339-341">source</a><h4 class="code-header">pub fn <a href="#method.contains_anchor_crlf" class="fn">contains_anchor_crlf</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set contains any “start/end of line”
anchors that are CRLF-aware. This doesn’t include “start/end of
haystack” or “start/end of line-feed” anchors.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains_word" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#347-349">source</a><h4 class="code-header">pub fn <a href="#method.contains_word" class="fn">contains_word</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set contains any word boundary or
negated word boundary assertions. This include both Unicode and ASCII
word boundaries.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains_word_unicode" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#354-361">source</a><h4 class="code-header">pub fn <a href="#method.contains_word_unicode" class="fn">contains_word_unicode</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set contains any Unicode word boundary
or negated Unicode word boundary assertions.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.contains_word_ascii" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#366-373">source</a><h4 class="code-header">pub fn <a href="#method.contains_word_ascii" class="fn">contains_word_ascii</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if and only if this set contains any ASCII word boundary
or negated ASCII word boundary assertions.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.iter" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#377-379">source</a><h4 class="code-header">pub fn <a href="#method.iter" class="fn">iter</a>(self) -&gt; <a class="struct" href="struct.LookSetIter.html" title="struct regex_automata::util::look::LookSetIter">LookSetIter</a> <a href="#" class="tooltip" data-notable-ty="LookSetIter">ⓘ</a></h4></section></summary><div class="docblock"><p>Returns an iterator over all of the look-around assertions in this set.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.insert" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#385-387">source</a><h4 class="code-header">pub fn <a href="#method.insert" class="fn">insert</a>(self, look: <a class="enum" href="enum.Look.html" title="enum regex_automata::util::look::Look">Look</a>) -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Return a new set that is equivalent to the original, but with the given
assertion added to it. If the assertion is already in the set, then the
returned set is equivalent to the original.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.set_insert" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#392-394">source</a><h4 class="code-header">pub fn <a href="#method.set_insert" class="fn">set_insert</a>(&amp;mut self, look: <a class="enum" href="enum.Look.html" title="enum regex_automata::util::look::Look">Look</a>)</h4></section></summary><div class="docblock"><p>Updates this set in place with the result of inserting the given
assertion into this set.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.remove" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#400-402">source</a><h4 class="code-header">pub fn <a href="#method.remove" class="fn">remove</a>(self, look: <a class="enum" href="enum.Look.html" title="enum regex_automata::util::look::Look">Look</a>) -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Return a new set that is equivalent to the original, but with the given
assertion removed from it. If the assertion is not in the set, then the
returned set is equivalent to the original.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.set_remove" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#407-409">source</a><h4 class="code-header">pub fn <a href="#method.set_remove" class="fn">set_remove</a>(&amp;mut self, look: <a class="enum" href="enum.Look.html" title="enum regex_automata::util::look::Look">Look</a>)</h4></section></summary><div class="docblock"><p>Updates this set in place with the result of removing the given
assertion from this set.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.subtract" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#414-416">source</a><h4 class="code-header">pub fn <a href="#method.subtract" class="fn">subtract</a>(self, other: <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a>) -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Returns a new set that is the result of subtracting the given set from
this set.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.set_subtract" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#421-423">source</a><h4 class="code-header">pub fn <a href="#method.set_subtract" class="fn">set_subtract</a>(&amp;mut self, other: <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a>)</h4></section></summary><div class="docblock"><p>Updates this set in place with the result of subtracting the given set
from this set.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.union" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#427-429">source</a><h4 class="code-header">pub fn <a href="#method.union" class="fn">union</a>(self, other: <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a>) -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Returns a new set that is the union of this and the one given.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.set_union" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#434-436">source</a><h4 class="code-header">pub fn <a href="#method.set_union" class="fn">set_union</a>(&amp;mut self, other: <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a>)</h4></section></summary><div class="docblock"><p>Updates this set in place with the result of unioning it with the one
given.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.intersect" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#440-442">source</a><h4 class="code-header">pub fn <a href="#method.intersect" class="fn">intersect</a>(self, other: <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a>) -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Returns a new set that is the intersection of this and the one given.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.set_intersect" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#447-449">source</a><h4 class="code-header">pub fn <a href="#method.set_intersect" class="fn">set_intersect</a>(&amp;mut self, other: <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a>)</h4></section></summary><div class="docblock"><p>Updates this set in place with the result of intersecting it with the
one given.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.read_repr" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#458-461">source</a><h4 class="code-header">pub fn <a href="#method.read_repr" class="fn">read_repr</a>(slice: &amp;[<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.u8.html">u8</a>]) -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class="docblock"><p>Return a <code>LookSet</code> from the slice given as a native endian 32-bit
integer.</p>
<h5 id="panics"><a href="#panics">Panics</a></h5>
<p>This panics if <code>slice.len() &lt; 4</code>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.write_repr" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#470-476">source</a><h4 class="code-header">pub fn <a href="#method.write_repr" class="fn">write_repr</a>(self, slice: &amp;mut [<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.u8.html">u8</a>])</h4></section></summary><div class="docblock"><p>Write a <code>LookSet</code> as a native endian 32-bit integer to the beginning
of the slice given.</p>
<h5 id="panics-1"><a href="#panics-1">Panics</a></h5>
<p>This panics if <code>slice.len() &lt; 4</code>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.available" class="method"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#493-498">source</a><h4 class="code-header">pub fn <a href="#method.available" class="fn">available</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a>, <a class="struct" href="struct.UnicodeWordBoundaryError.html" title="struct regex_automata::util::look::UnicodeWordBoundaryError">UnicodeWordBoundaryError</a>&gt;</h4></section></summary><div class="docblock"><p>Checks that all assertions in this set can be matched.</p>
<p>Some assertions, such as Unicode word boundaries, require optional (but
enabled by default) tables that may not be available. If there are
assertions in this set that require tables that are not available, then
this will return an error.</p>
<p>Specifically, this returns an error when the the
<code>unicode-word-boundary</code> feature is <em>not</em> enabled <em>and</em> this set
contains a Unicode word boundary assertion.</p>
<p>It can be useful to use this on the result of
<a href="../../nfa/thompson/struct.NFA.html#method.look_set_any" title="method regex_automata::nfa::thompson::NFA::look_set_any"><code>NFA::look_set_any</code></a>
when building a matcher engine to ensure methods like
<a href="struct.LookMatcher.html#method.matches_set" title="method regex_automata::util::look::LookMatcher::matches_set"><code>LookMatcher::matches_set</code></a> do not panic at search time.</p>
</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-LookSet" class="impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#243">source</a><a href="#impl-Clone-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#243">source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&amp;self) -&gt; <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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-LookSet" class="impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#501-511">source</a><a href="#impl-Debug-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#502-510">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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-LookSet" class="impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#243">source</a><a href="#impl-Default-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="tr
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/1.76.0/src/core/cmp.rs.html#242">source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#method.ne" class="fn">ne</a>(&amp;self, other: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Rhs</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/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-LookSet" class="impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#243">source</a><a href="#impl-Copy-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section><section id="impl-Eq-for-LookSet" class="impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#243">source</a><a href="#impl-Eq-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section><section id="impl-StructuralEq-for-LookSet" class="impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#243">source</a><a href="#impl-StructuralEq-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.StructuralEq.html" title="trait core::marker::StructuralEq">StructuralEq</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section><section id="impl-StructuralPartialEq-for-LookSet" class="impl"><a class="src rightside" href="../../../src/regex_automata/util/look.rs.html#243">source</a><a href="#impl-StructuralPartialEq-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</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-RefUnwindSafe-for-LookSet" class="impl"><a href="#impl-RefUnwindSafe-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section><section id="impl-Send-for-LookSet" class="impl"><a href="#impl-Send-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section><section id="impl-Sync-for-LookSet" class="impl"><a href="#impl-Sync-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section><section id="impl-Unpin-for-LookSet" class="impl"><a href="#impl-Unpin-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.LookSet.html" title="struct regex_automata::util::look::LookSet">LookSet</a></h3></section><section id="impl-UnwindSafe-for-LookSet" class="impl"><a href="#impl-UnwindSafe-for-LookSet" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#763">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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#766">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#747-749">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/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#756">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#803-805">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/1.76.0/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/1.76.0/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" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#810">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#788-790">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/1.76.0/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/1.76.0/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-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/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#795">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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><script type="text/json" id="notable-traits-data">{"LookSetIter":"<h3>Notable traits for <code><a class=\"struct\" href=\"struct.LookSetIter.html\" title=\"struct regex_automata::util::look::LookSetIter\">LookSetIter</a></code></h3><pre><code><div class=\"where\">impl <a class=\"trait\" href=\"https://doc.rust-lang.org/1.76.0/core/iter/traits/iterator/trait.Iterator.html\" title=\"trait core::iter::traits::iterator::Iterator\">Iterator</a> for <a class=\"struct\" href=\"struct.LookSetIter.html\" title=\"struct regex_automata::util::look::LookSetIter\">LookSetIter</a></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.76.0/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item\" class=\"associatedtype\">Item</a> = <a class=\"enum\" href=\"enum.Look.html\" title=\"enum regex_automata::util::look::Look\">Look</a>;</div>"}</script></section></div></main></body></html>
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