<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../../../regex_automata/all.html"title="show sidebar"></a></div><inputclass="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"><divid="help-button"tabindex="-1"><ahref="../../../help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Module <ahref="../../index.html">regex_automata</a>::<wbr><ahref="../index.html">util</a>::<wbr><aclass="mod"href="#">look</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../../../static.files/clipboard-7571035ce49a181d.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="src"href="../../../src/regex_automata/util/look.rs.html#1-2547">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><detailsclass="toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>Types and routines for working with look-around assertions.</p>
<p>This module principally defines two types:</p>
<ul>
<li><ahref="enum.Look.html"title="enum regex_automata::util::look::Look"><code>Look</code></a> enumerates all of the assertions supported by this crate.</li>
<li><ahref="struct.LookSet.html"title="struct regex_automata::util::look::LookSet"><code>LookSet</code></a> provides a way to efficiently store a set of <ahref="enum.Look.html"title="enum regex_automata::util::look::Look"><code>Look</code></a> values.</li>
<li><ahref="struct.LookMatcher.html"title="struct regex_automata::util::look::LookMatcher"><code>LookMatcher</code></a> provides routines for checking whether a <code>Look</code> or a
<code>LookSet</code> matches at a particular position in a haystack.</li>
</div></details><h2id="structs"class="section-header">Structs<ahref="#structs"class="anchor">§</a></h2><ulclass="item-table"><li><divclass="item-name"><aclass="struct"href="struct.LookMatcher.html"title="struct regex_automata::util::look::LookMatcher">LookMatcher</a></div><divclass="desc docblock-short">A matcher for look-around assertions.</div></li><li><divclass="item-name"><aclass="struct"href="struct.LookSet.html"title="struct regex_automata::util::look::LookSet">LookSet</a></div><divclass="desc docblock-short">LookSet is a memory-efficient set of look-around assertions.</div></li><li><divclass="item-name"><aclass="struct"href="struct.LookSetIter.html"title="struct regex_automata::util::look::LookSetIter">LookSetIter</a></div><divclass="desc docblock-short">An iterator over all look-around assertions in a <ahref="struct.LookSet.html"title="struct regex_automata::util::look::LookSet"><code>LookSet</code></a>.</div></li><li><divclass="item-name"><aclass="struct"href="struct.UnicodeWordBoundaryError.html"title="struct regex_automata::util::look::UnicodeWordBoundaryError">UnicodeWordBoundaryError</a></div><divclass="desc docblock-short">An error that occurs when the Unicode-aware <code>\w</code> class is unavailable.</div></li></ul><h2id="enums"class="section-header">Enums<ahref="#enums"class="anchor">§</a></h2><ulclass="item-table"><li><divclass="item-name"><aclass="enum"href="enum.Look.html"title="enum regex_automata::util::look::Look">Look</a></div><divclass="desc docblock-short">A look-around assertion.</div></li></ul></section></div></main></body></html>