<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="generator" content="rustdoc"> <meta name="description" content="API documentation for the Rust `CharPredicateSearcher` struct in crate `std`."> <meta name="keywords" content="rust, rustlang, rust-lang, CharPredicateSearcher"> <title>std::str::pattern::CharPredicateSearcher - Rust</title> <link rel="stylesheet" type="text/css" href="../../../normalize.css"> <link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"> <link rel="stylesheet" type="text/css" href="../../../dark.css"> <link rel="stylesheet" type="text/css" href="../../../main.css" id="themeStyle"> <script src="../../../storage.js"></script> <link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"> </head> <body class="rustdoc struct"> <!--[if lte IE 8]> <div class="warning"> This old browser is unsupported and will most likely display funky things. </div> <![endif]--> <nav class="sidebar"> <div class="sidebar-menu">☰</div> <a href='../../../std/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a> <p class='location'>Struct CharPredicateSearcher</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-ReverseSearcher%3C%27a%3E">ReverseSearcher<'a></a><a href="#impl-Clone">Clone</a><a href="#impl-DoubleEndedSearcher%3C%27a%3E">DoubleEndedSearcher<'a></a><a href="#impl-Searcher%3C%27a%3E">Searcher<'a></a></div></div><p class='location'><a href='../../index.html'>std</a>::<wbr><a href='../index.html'>str</a>::<wbr><a href='index.html'>pattern</a></p><script>window.sidebarCurrent = {name: 'CharPredicateSearcher', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div> </nav> <div class="theme-picker"> <button id="theme-picker" aria-label="Pick another theme!"> <img src="../../../brush.svg" width="18" alt="Pick another theme!"> </button> <div id="theme-choices"></div> </div> <script src="../../../theme.js"></script> <nav class="sub"> <form class="search-form js-only"> <div class="search-container"> <input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"> </div> </form> </nav> <section id='main' class="content"> <h1 class='fqn'><span class='in-band'>Struct <a href='../../index.html'>std</a>::<wbr><a href='../index.html'>str</a>::<wbr><a href='index.html'>pattern</a>::<wbr><a class="struct" href=''>CharPredicateSearcher</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version '></span><span id='render-detail'> <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs"> [<span class='inner'>−</span>] </a> </span><a class='srclink' href='../../../src/core/str/pattern.rs.html#666-667' title='goto source code'>[src]</a></span></h1> <pre class='rust struct'>pub struct CharPredicateSearcher<'a, F>(_)<br> <span class="where">where<br> F: <a class="trait" href="../../../std/ops/trait.FnMut.html" title="trait std::ops::FnMut">FnMut</a>(<a class="primitive" href="../../primitive.char.html">char</a>) -> <a class="primitive" href="../../primitive.bool.html">bool</a></span>;</pre><div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p> </details></div></div><div class='docblock'><p>Associated type for <code><F as Pattern<'a>>::Searcher</code>.</p> </div> <h2 id='implementations' class='small-section-header'> Trait Implementations<a href='#implementations' class='anchor'></a> </h2> <h3 id='impl-Debug' class='impl'><span class='in-band'><code>impl<'a, F> <a class="trait" href="../../../std/fmt/trait.Debug.html" title="trait std::fmt::Debug">Debug</a> for <a class="struct" href="../../../std/str/pattern/struct.CharPredicateSearcher.html" title="struct std::str::pattern::CharPredicateSearcher">CharPredicateSearcher</a><'a, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="../../../std/ops/trait.FnMut.html" title="trait std::ops::FnMut">FnMut</a>(<a class="primitive" href="../../primitive.char.html">char</a>) -> <a class="primitive" href="../../primitive.bool.html">bool</a>, </span></code><a href='#impl-Debug' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#669-678' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><code>fn <a href='../../../std/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="../../../std/fmt/struct.Formatter.html" title="struct std::fmt::Formatter">Formatter</a>) -> <a class="enum" href="../../../std/result/enum.Result.html" title="enum std::result::Result">Result</a><<a class="primitive" href="../../primitive.unit.html">()</a>, <a class="struct" href="../../../std/fmt/struct.Error.html" title="struct std::fmt::Error">Error</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#672-677' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Formats the value using the given formatter. <a href="../../../std/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p> </div></div><h3 id='impl-ReverseSearcher%3C%27a%3E' class='impl'><span class='in-band'><code>impl<'a, F> <a class="trait" href="../../../std/str/pattern/trait.ReverseSearcher.html" title="trait std::str::pattern::ReverseSearcher">ReverseSearcher</a><'a> for <a class="struct" href="../../../std/str/pattern/struct.CharPredicateSearcher.html" title="struct std::str::pattern::CharPredicateSearcher">CharPredicateSearcher</a><'a, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="../../../std/ops/trait.FnMut.html" title="trait std::ops::FnMut">FnMut</a>(<a class="primitive" href="../../primitive.char.html">char</a>) -> <a class="primitive" href="../../primitive.bool.html">bool</a>, </span></code><a href='#impl-ReverseSearcher%3C%27a%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#685-689' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.next_back' class="method"><span id='next_back.v' class='invisible'><code>fn <a href='../../../std/str/pattern/trait.ReverseSearcher.html#tymethod.next_back' class='fnname'>next_back</a>(&mut self) -> <a class="enum" href="../../../std/str/pattern/enum.SearchStep.html" title="enum std::str::pattern::SearchStep">SearchStep</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#621-623' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p> </details></div></div><div class='docblock'><p>Performs the next search step starting from the back. <a href="../../../std/str/pattern/trait.ReverseSearcher.html#tymethod.next_back">Read more</a></p> </div><h4 id='method.next_match_back' class="method"><span id='next_match_back.v' class='invisible'><code>fn <a href='../../../std/str/pattern/trait.ReverseSearcher.html#method.next_match_back' class='fnname'>next_match_back</a>(&mut self) -> <a class="enum" href="../../../std/option/enum.Option.html" title="enum std::option::Option">Option</a><<a class="primitive" href="../../primitive.tuple.html">(</a><a class="primitive" href="../../primitive.usize.html">usize</a>, <a class="primitive" href="../../primitive.usize.html">usize</a><a class="primitive" href="../../primitive.tuple.html">)</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#625-627' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p> </details></div></div><div class='docblock'><p>Find the next <code>Match</code> result. See <code>next_back()</code></p> </div><h4 id='method.next_reject_back' class="method"><span id='next_reject_back.v' class='invisible'><code>fn <a href='../../../std/str/pattern/trait.ReverseSearcher.html#method.next_reject_back' class='fnname'>next_reject_back</a>(&mut self) -> <a class="enum" href="../../../std/option/enum.Option.html" title="enum std::option::Option">Option</a><<a class="primitive" href="../../primitive.tuple.html">(</a><a class="primitive" href="../../primitive.usize.html">usize</a>, <a class="primitive" href="../../primitive.usize.html">usize</a><a class="primitive" href="../../primitive.tuple.html">)</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#629-631' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p> </details></div></div><div class='docblock'><p>Find the next <code>Reject</code> result. See <code>next_back()</code></p> </div></div><h3 id='impl-Clone' class='impl'><span class='in-band'><code>impl<'a, F> <a class="trait" href="../../../std/clone/trait.Clone.html" title="trait std::clone::Clone">Clone</a> for <a class="struct" href="../../../std/str/pattern/struct.CharPredicateSearcher.html" title="struct std::str::pattern::CharPredicateSearcher">CharPredicateSearcher</a><'a, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="../../../std/clone/trait.Clone.html" title="trait std::clone::Clone">Clone</a> + <a class="trait" href="../../../std/ops/trait.FnMut.html" title="trait std::ops::FnMut">FnMut</a>(<a class="primitive" href="../../primitive.char.html">char</a>) -> <a class="primitive" href="../../primitive.bool.html">bool</a>, </span></code><a href='#impl-Clone' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#665' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><code>fn <a href='../../../std/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../../../std/str/pattern/struct.CharPredicateSearcher.html" title="struct std::str::pattern::CharPredicateSearcher">CharPredicateSearcher</a><'a, F></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#665' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Returns a copy of the value. <a href="../../../std/clone/trait.Clone.html#tymethod.clone">Read more</a></p> </div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><code>fn <a href='../../../std/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="../../primitive.reference.html">&</a>Self)</code></span><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='../../../src/core/clone.rs.html#112-114' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="../../../std/clone/trait.Clone.html#method.clone_from">Read more</a></p> </div></div><h3 id='impl-DoubleEndedSearcher%3C%27a%3E' class='impl'><span class='in-band'><code>impl<'a, F> <a class="trait" href="../../../std/str/pattern/trait.DoubleEndedSearcher.html" title="trait std::str::pattern::DoubleEndedSearcher">DoubleEndedSearcher</a><'a> for <a class="struct" href="../../../std/str/pattern/struct.CharPredicateSearcher.html" title="struct std::str::pattern::CharPredicateSearcher">CharPredicateSearcher</a><'a, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="../../../std/ops/trait.FnMut.html" title="trait std::ops::FnMut">FnMut</a>(<a class="primitive" href="../../primitive.char.html">char</a>) -> <a class="primitive" href="../../primitive.bool.html">bool</a>, </span></code><a href='#impl-DoubleEndedSearcher%3C%27a%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#691-692' title='goto source code'>[src]</a></span></h3> <div class='impl-items'></div><h3 id='impl-Searcher%3C%27a%3E' class='impl'><span class='in-band'><code>impl<'a, F> <a class="trait" href="../../../std/str/pattern/trait.Searcher.html" title="trait std::str::pattern::Searcher">Searcher</a><'a> for <a class="struct" href="../../../std/str/pattern/struct.CharPredicateSearcher.html" title="struct std::str::pattern::CharPredicateSearcher">CharPredicateSearcher</a><'a, F> <span class="where fmt-newline">where<br> F: <a class="trait" href="../../../std/ops/trait.FnMut.html" title="trait std::ops::FnMut">FnMut</a>(<a class="primitive" href="../../primitive.char.html">char</a>) -> <a class="primitive" href="../../primitive.bool.html">bool</a>, </span></code><a href='#impl-Searcher%3C%27a%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#679-683' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.haystack' class="method"><span id='haystack.v' class='invisible'><code>fn <a href='../../../std/str/pattern/trait.Searcher.html#tymethod.haystack' class='fnname'>haystack</a>(&self) -> &'a <a class="primitive" href="../../primitive.str.html">str</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#603-605' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p> </details></div></div><div class='docblock'><p>Getter for the underlying string to be searched in <a href="../../../std/str/pattern/trait.Searcher.html#tymethod.haystack">Read more</a></p> </div><h4 id='method.next' class="method"><span id='next.v' class='invisible'><code>fn <a href='../../../std/str/pattern/trait.Searcher.html#tymethod.next' class='fnname'>next</a>(&mut self) -> <a class="enum" href="../../../std/str/pattern/enum.SearchStep.html" title="enum std::str::pattern::SearchStep">SearchStep</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#607-609' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p> </details></div></div><div class='docblock'><p>Performs the next search step starting from the front. <a href="../../../std/str/pattern/trait.Searcher.html#tymethod.next">Read more</a></p> </div><h4 id='method.next_match' class="method"><span id='next_match.v' class='invisible'><code>fn <a href='../../../std/str/pattern/trait.Searcher.html#method.next_match' class='fnname'>next_match</a>(&mut self) -> <a class="enum" href="../../../std/option/enum.Option.html" title="enum std::option::Option">Option</a><<a class="primitive" href="../../primitive.tuple.html">(</a><a class="primitive" href="../../primitive.usize.html">usize</a>, <a class="primitive" href="../../primitive.usize.html">usize</a><a class="primitive" href="../../primitive.tuple.html">)</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#611-613' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p> </details></div></div><div class='docblock'><p>Find the next <code>Match</code> result. See <code>next()</code> <a href="../../../std/str/pattern/trait.Searcher.html#method.next_match">Read more</a></p> </div><h4 id='method.next_reject' class="method"><span id='next_reject.v' class='invisible'><code>fn <a href='../../../std/str/pattern/trait.Searcher.html#method.next_reject' class='fnname'>next_reject</a>(&mut self) -> <a class="enum" href="../../../std/option/enum.Option.html" title="enum std::option::Option">Option</a><<a class="primitive" href="../../primitive.tuple.html">(</a><a class="primitive" href="../../primitive.usize.html">usize</a>, <a class="primitive" href="../../primitive.usize.html">usize</a><a class="primitive" href="../../primitive.tuple.html">)</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/core/str/pattern.rs.html#615-617' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p> </details></div></div><div class='docblock'><p>Find the next <code>Reject</code> result. See <code>next()</code> and <code>next_match()</code> <a href="../../../std/str/pattern/trait.Searcher.html#method.next_reject">Read more</a></p> </div></div></section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <dl> <dt><kbd>?</kbd></dt> <dd>Show this help dialog</dd> <dt><kbd>S</kbd></dt> <dd>Focus the search field</dd> <dt><kbd>↑</kbd></dt> <dd>Move up in search results</dd> <dt><kbd>↓</kbd></dt> <dd>Move down in search results</dd> <dt><kbd>↹</kbd></dt> <dd>Switch tab</dd> <dt><kbd>⏎</kbd></dt> <dd>Go to active search result</dd> <dt><kbd>+</kbd></dt> <dd>Expand all sections</dd> <dt><kbd>-</kbd></dt> <dd>Collapse all sections</dd> </dl> </div> <div class="infos"> <h2>Search Tricks</h2> <p> Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type. </p> <p> Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>. </p> <p> Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>) </p> </div> </div> </aside> <script> window.rootPath = "../../../"; window.currentCrate = "std"; </script> <script src="../../../main.js"></script> <script defer src="../../../search-index.js"></script> </body> </html>