124 lines
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124 lines
47 KiB
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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="API documentation for the Rust `Literals` struct in crate `regex_syntax`."><meta name="keywords" content="rust, rustlang, rust-lang, Literals"><title>regex_syntax::hir::literal::Literals - 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="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="shortcut icon" href="../../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></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='../../../regex_syntax/index.html'><div class='logo-container'><img src='../../../rust-logo.png' alt='logo'></div></a><p class='location'>Struct Literals</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.add">add</a><a href="#method.add_byte_class">add_byte_class</a><a href="#method.add_char_class">add_char_class</a><a href="#method.all_complete">all_complete</a><a href="#method.any_complete">any_complete</a><a href="#method.clear">clear</a><a href="#method.contains_empty">contains_empty</a><a href="#method.cross_add">cross_add</a><a href="#method.cross_product">cross_product</a><a href="#method.cut">cut</a><a href="#method.empty">empty</a><a href="#method.is_empty">is_empty</a><a href="#method.limit_class">limit_class</a><a href="#method.limit_size">limit_size</a><a href="#method.literals">literals</a><a href="#method.longest_common_prefix">longest_common_prefix</a><a href="#method.longest_common_suffix">longest_common_suffix</a><a href="#method.min_len">min_len</a><a href="#method.prefixes">prefixes</a><a href="#method.reverse">reverse</a><a href="#method.set_limit_class">set_limit_class</a><a href="#method.set_limit_size">set_limit_size</a><a href="#method.suffixes">suffixes</a><a href="#method.to_empty">to_empty</a><a href="#method.trim_suffix">trim_suffix</a><a href="#method.unambiguous_prefixes">unambiguous_prefixes</a><a href="#method.unambiguous_suffixes">unambiguous_suffixes</a><a href="#method.union">union</a><a href="#method.union_prefixes">union_prefixes</a><a href="#method.union_suffixes">union_suffixes</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a><a href="#impl-Eq">Eq</a><a href="#impl-PartialEq%3CLiterals%3E">PartialEq<Literals></a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-ToOwned">ToOwned</a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class='location'><a href='../../index.html'>regex_syntax</a>::<wbr><a href='../index.html'>hir</a>::<wbr><a href='index.html'>literal</a></p><script>window.sidebarCurrent = {name: 'Literals', 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"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><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/regex_syntax/hir/literal/mod.rs.html#45-49' title='goto source code'>[src]</a></span><span class='in-band'>Struct <a href='../../index.html'>regex_syntax</a>::<wbr><a href='../index.html'>hir</a>::<wbr><a href='index.html'>literal</a>::<wbr><a class="struct" href=''>Literals</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust struct'>pub struct Literals { /* fields omitted */ }</pre></div><div class='docblock'><p>A set of literal byte strings extracted from a regular expression.</p>
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<p>Every member of the set is a <code>Literal</code>, which is represented by a
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<code>Vec<u8></code>. (Notably, it may contain invalid UTF-8.) Every member is
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said to be either <em>complete</em> or <em>cut</em>. A complete literal means that
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it extends until the beginning (or end) of the regular expression. In
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some circumstances, this can be used to indicate a match in the regular
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expression.</p>
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<p>A key aspect of literal extraction is knowing when to stop. It is not
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feasible to blindly extract all literals from a regular expression, even if
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there are finitely many. For example, the regular expression <code>[0-9]{10}</code>
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has <code>10^10</code> distinct literals. For this reason, literal extraction is
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bounded to some low number by default using heuristics, but the limits can
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be tweaked.</p>
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<p><strong>WARNING</strong>: Literal extraction uses stack space proportional to the size
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of the <code>Hir</code> expression. At some point, this drawback will be eliminated.
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To protect yourself, set a reasonable
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<a href="../../struct.ParserBuilder.html#method.nest_limit"><code>nest_limit</code> on your <code>Parser</code></a>.
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This is done for you by default.</p>
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</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><code class='in-band'>impl <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a href='#impl' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#61-600' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.empty' class="method"><code id='empty.v'>pub fn <a href='#method.empty' class='fnname'>empty</a>() -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#63-69' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a new empty set of literals using default limits.</p>
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</div><h4 id='method.prefixes' class="method"><code id='prefixes.v'>pub fn <a href='#method.prefixes' class='fnname'>prefixes</a>(expr: &<a class="struct" href="../../../regex_syntax/hir/struct.Hir.html" title="struct regex_syntax::hir::Hir">Hir</a>) -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#72-76' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a set of literal prefixes extracted from the given <code>Hir</code>.</p>
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</div><h4 id='method.suffixes' class="method"><code id='suffixes.v'>pub fn <a href='#method.suffixes' class='fnname'>suffixes</a>(expr: &<a class="struct" href="../../../regex_syntax/hir/struct.Hir.html" title="struct regex_syntax::hir::Hir">Hir</a>) -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#79-83' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a set of literal suffixes extracted from the given <code>Hir</code>.</p>
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</div><h4 id='method.limit_size' class="method"><code id='limit_size.v'>pub fn <a href='#method.limit_size' class='fnname'>limit_size</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#86-88' title='goto source code'>[src]</a></h4><div class='docblock'><p>Get the approximate size limit (in bytes) of this set.</p>
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</div><h4 id='method.set_limit_size' class="method"><code id='set_limit_size.v'>pub fn <a href='#method.set_limit_size' class='fnname'>set_limit_size</a>(&mut self, size: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> &mut <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#97-100' title='goto source code'>[src]</a></h4><div class='docblock'><p>Set the approximate size limit (in bytes) of this set.</p>
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<p>If extracting a literal would put the set over this limit, then
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extraction stops.</p>
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<p>The new limits will only apply to additions to this set. Existing
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members remain unchanged, even if the set exceeds the new limit.</p>
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</div><h4 id='method.limit_class' class="method"><code id='limit_class.v'>pub fn <a href='#method.limit_class' class='fnname'>limit_class</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#103-105' title='goto source code'>[src]</a></h4><div class='docblock'><p>Get the character class size limit for this set.</p>
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</div><h4 id='method.set_limit_class' class="method"><code id='set_limit_class.v'>pub fn <a href='#method.set_limit_class' class='fnname'>set_limit_class</a>(&mut self, size: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> &mut <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#117-120' title='goto source code'>[src]</a></h4><div class='docblock'><p>Limits the size of character(or byte) classes considered.</p>
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<p>A value of <code>0</code> prevents all character classes from being considered.</p>
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<p>This limit also applies to case insensitive literals, since each
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character in the case insensitive literal is converted to a class, and
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then case folded.</p>
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<p>The new limits will only apply to additions to this set. Existing
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members remain unchanged, even if the set exceeds the new limit.</p>
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</div><h4 id='method.literals' class="method"><code id='literals.v'>pub fn <a href='#method.literals' class='fnname'>literals</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#123-125' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the set of literals as a slice. Its order is unspecified.</p>
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</div><h4 id='method.min_len' class="method"><code id='min_len.v'>pub fn <a href='#method.min_len' class='fnname'>min_len</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#130-140' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the length of the smallest literal.</p>
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<p>Returns None is there are no literals in the set.</p>
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</div><h4 id='method.all_complete' class="method"><code id='all_complete.v'>pub fn <a href='#method.all_complete' class='fnname'>all_complete</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#143-145' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns true if all members in this set are complete.</p>
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</div><h4 id='method.any_complete' class="method"><code id='any_complete.v'>pub fn <a href='#method.any_complete' class='fnname'>any_complete</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#148-150' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns true if any member in this set is complete.</p>
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</div><h4 id='method.contains_empty' class="method"><code id='contains_empty.v'>pub fn <a href='#method.contains_empty' class='fnname'>contains_empty</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#153-155' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns true if this set contains an empty literal.</p>
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</div><h4 id='method.is_empty' class="method"><code id='is_empty.v'>pub fn <a href='#method.is_empty' class='fnname'>is_empty</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#158-160' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns true if this set is empty or if all of its members is empty.</p>
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</div><h4 id='method.to_empty' class="method"><code id='to_empty.v'>pub fn <a href='#method.to_empty' class='fnname'>to_empty</a>(&self) -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#163-168' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a new empty set of literals using this set's limits.</p>
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</div><h4 id='method.longest_common_prefix' class="method"><code id='longest_common_prefix.v'>pub fn <a href='#method.longest_common_prefix' class='fnname'>longest_common_prefix</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#171-186' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the longest common prefix of all members in this set.</p>
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</div><h4 id='method.longest_common_suffix' class="method"><code id='longest_common_suffix.v'>pub fn <a href='#method.longest_common_suffix' class='fnname'>longest_common_suffix</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#189-205' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the longest common suffix of all members in this set.</p>
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</div><h4 id='method.trim_suffix' class="method"><code id='trim_suffix.v'>pub fn <a href='#method.trim_suffix' class='fnname'>trim_suffix</a>(&self, num_bytes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a>></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#215-229' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a new set of literals with the given number of bytes trimmed
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from the suffix of each literal.</p>
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<p>If any literal would be cut out completely by trimming, then None is
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returned.</p>
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<p>Any duplicates that are created as a result of this transformation are
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removed.</p>
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</div><h4 id='method.unambiguous_prefixes' class="method"><code id='unambiguous_prefixes.v'>pub fn <a href='#method.unambiguous_prefixes' class='fnname'>unambiguous_prefixes</a>(&self) -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#240-297' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a new set of prefixes of this set of literals that are
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guaranteed to be unambiguous.</p>
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<p>Any substring match with a member of the set is returned is guaranteed
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to never overlap with a substring match of another member of the set
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at the same starting position.</p>
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<p>Given any two members of the returned set, neither is a substring of
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the other.</p>
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</div><h4 id='method.unambiguous_suffixes' class="method"><code id='unambiguous_suffixes.v'>pub fn <a href='#method.unambiguous_suffixes' class='fnname'>unambiguous_suffixes</a>(&self) -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#308-315' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a new set of suffixes of this set of literals that are
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guaranteed to be unambiguous.</p>
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<p>Any substring match with a member of the set is returned is guaranteed
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to never overlap with a substring match of another member of the set
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at the same ending position.</p>
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<p>Given any two members of the returned set, neither is a substring of
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the other.</p>
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</div><h4 id='method.union_prefixes' class="method"><code id='union_prefixes.v'>pub fn <a href='#method.union_prefixes' class='fnname'>union_prefixes</a>(&mut self, expr: &<a class="struct" href="../../../regex_syntax/hir/struct.Hir.html" title="struct regex_syntax::hir::Hir">Hir</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#326-330' title='goto source code'>[src]</a></h4><div class='docblock'><p>Unions the prefixes from the given expression to this set.</p>
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<p>If prefixes could not be added (for example, this set would exceed its
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size limits or the set of prefixes from <code>expr</code> includes the empty
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string), then false is returned.</p>
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<p>Note that prefix literals extracted from <code>expr</code> are said to be complete
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if and only if the literal extends from the beginning of <code>expr</code> to the
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end of <code>expr</code>.</p>
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</div><h4 id='method.union_suffixes' class="method"><code id='union_suffixes.v'>pub fn <a href='#method.union_suffixes' class='fnname'>union_suffixes</a>(&mut self, expr: &<a class="struct" href="../../../regex_syntax/hir/struct.Hir.html" title="struct regex_syntax::hir::Hir">Hir</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#341-346' title='goto source code'>[src]</a></h4><div class='docblock'><p>Unions the suffixes from the given expression to this set.</p>
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<p>If suffixes could not be added (for example, this set would exceed its
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size limits or the set of suffixes from <code>expr</code> includes the empty
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string), then false is returned.</p>
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<p>Note that prefix literals extracted from <code>expr</code> are said to be complete
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if and only if the literal extends from the end of <code>expr</code> to the
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beginning of <code>expr</code>.</p>
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</div><h4 id='method.union' class="method"><code id='union.v'>pub fn <a href='#method.union' class='fnname'>union</a>(&mut self, lits: <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#353-363' title='goto source code'>[src]</a></h4><div class='docblock'><p>Unions this set with another set.</p>
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<p>If the union would cause the set to exceed its limits, then the union
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is skipped and it returns false. Otherwise, if the union succeeds, it
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returns true.</p>
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</div><h4 id='method.cross_product' class="method"><code id='cross_product.v'>pub fn <a href='#method.cross_product' class='fnname'>cross_product</a>(&mut self, lits: &<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#372-411' title='goto source code'>[src]</a></h4><div class='docblock'><p>Extends this set with another set.</p>
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<p>The set of literals is extended via a cross product.</p>
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<p>If a cross product would cause this set to exceed its limits, then the
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cross product is skipped and it returns false. Otherwise, if the cross
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product succeeds, it returns true.</p>
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</div><h4 id='method.cross_add' class="method"><code id='cross_add.v'>pub fn <a href='#method.cross_add' class='fnname'>cross_add</a>(&mut self, bytes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#421-452' title='goto source code'>[src]</a></h4><div class='docblock'><p>Extends each literal in this set with the bytes given.</p>
|
||
<p>If the set is empty, then the given literal is added to the set.</p>
|
||
<p>If adding any number of bytes to all members of this set causes a limit
|
||
to be exceeded, then no bytes are added and false is returned. If a
|
||
prefix of <code>bytes</code> can be fit into this set, then it is used and all
|
||
resulting literals are cut.</p>
|
||
</div><h4 id='method.add' class="method"><code id='add.v'>pub fn <a href='#method.add' class='fnname'>add</a>(&mut self, lit: <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literal.html" title="struct regex_syntax::hir::literal::Literal">Literal</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#458-464' title='goto source code'>[src]</a></h4><div class='docblock'><p>Adds the given literal to this set.</p>
|
||
<p>Returns false if adding this literal would cause the class to be too
|
||
big.</p>
|
||
</div><h4 id='method.add_char_class' class="method"><code id='add_char_class.v'>pub fn <a href='#method.add_char_class' class='fnname'>add_char_class</a>(&mut self, cls: &<a class="struct" href="../../../regex_syntax/hir/struct.ClassUnicode.html" title="struct regex_syntax::hir::ClassUnicode">ClassUnicode</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#469-471' title='goto source code'>[src]</a></h4><div class='docblock'><p>Extends each literal in this set with the character class given.</p>
|
||
<p>Returns false if the character class was too big to add.</p>
|
||
</div><h4 id='method.add_byte_class' class="method"><code id='add_byte_class.v'>pub fn <a href='#method.add_byte_class' class='fnname'>add_byte_class</a>(&mut self, cls: &<a class="struct" href="../../../regex_syntax/hir/struct.ClassBytes.html" title="struct regex_syntax::hir::ClassBytes">ClassBytes</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#514-532' title='goto source code'>[src]</a></h4><div class='docblock'><p>Extends each literal in this set with the byte class given.</p>
|
||
<p>Returns false if the byte class was too big to add.</p>
|
||
</div><h4 id='method.cut' class="method"><code id='cut.v'>pub fn <a href='#method.cut' class='fnname'>cut</a>(&mut self)</code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#536-540' title='goto source code'>[src]</a></h4><div class='docblock'><p>Cuts every member of this set. When a member is cut, it can never
|
||
be extended.</p>
|
||
</div><h4 id='method.reverse' class="method"><code id='reverse.v'>pub fn <a href='#method.reverse' class='fnname'>reverse</a>(&mut self)</code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#543-547' title='goto source code'>[src]</a></h4><div class='docblock'><p>Reverses all members in place.</p>
|
||
</div><h4 id='method.clear' class="method"><code id='clear.v'>pub fn <a href='#method.clear' class='fnname'>clear</a>(&mut self)</code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#550-552' title='goto source code'>[src]</a></h4><div class='docblock'><p>Clears this set of all members.</p>
|
||
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-PartialEq%3CLiterals%3E' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a>> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a href='#impl-PartialEq%3CLiterals%3E' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#44' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.eq' class="method hidden"><code id='eq.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, other: &<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#44' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
|
||
</div><h4 id='method.ne' class="method hidden"><code id='ne.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, other: &<a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#44' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>!=</code>.</p>
|
||
</div></div><h3 id='impl-Clone' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a href='#impl-Clone' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#44' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.clone' class="method hidden"><code id='clone.v'>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#44' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
|
||
</div><h4 id='method.clone_from' class="method"><code id='clone_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#131-133' title='goto source code'>[src]</a></h4><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
|
||
</div></div><h3 id='impl-Eq' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a href='#impl-Eq' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#44' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-Debug' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a href='#impl-Debug' class='anchor'></a><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#869-877' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt' class="method hidden"><code id='fmt.v'>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class='srclink' href='../../../src/regex_syntax/hir/literal/mod.rs.html#870-876' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
|
||
</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Send' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a href='#impl-Send' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../../regex_syntax/hir/literal/struct.Literals.html" title="struct regex_syntax::hir::literal::Literals">Literals</a></code><a href='#impl-Sync' class='anchor'></a></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-From%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</code><a href='#impl-From%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#546-548' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method hidden"><code id='from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#547' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
</div></div><h3 id='impl-ToOwned' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, </span></code><a href='#impl-ToOwned' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#81-92' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Owned' class="type"><code id='Owned.t'>type <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned' class="type">Owned</a> = T</code></h4><div class='docblock'><p>The resulting type after obtaining ownership.</p>
|
||
</div><h4 id='method.to_owned' class="method hidden"><code id='to_owned.v'>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned' class='fnname'>to_owned</a>(&self) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#85-87' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
|
||
</div><h4 id='method.clone_into' class="method hidden"><code id='clone_into.v'>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into' class='fnname'>clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89-91' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
|
||
</details></div></div><div class='docblock hidden'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
|
||
</div></div><h3 id='impl-Into%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href='#impl-Into%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#537-542' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code id='into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(self) -> U</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#539-541' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
</div></div><h3 id='impl-TryFrom%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#565-571' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code id='Error.t'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
|
||
</div><h4 id='method.try_from' class="method hidden"><code id='try_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#568-570' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
</div></div><h3 id='impl-TryInto%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#553-560' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code id='Error.t-1'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
|
||
</div><h4 id='method.try_into' class="method hidden"><code id='try_into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#557-559' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
</div></div><h3 id='impl-BorrowMut%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code id='borrow_mut.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
|
||
</div></div><h3 id='impl-Borrow%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-215' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code id='borrow.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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</div></div><h3 id='impl-Any' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#100-102' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code id='type_id.v'>fn <a href='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id' class='fnname'>type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#101' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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