| <!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="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/tantivy-fst-0.4.0/src/automaton/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../tantivy_fst/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../tantivy_fst/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="kw">use </span><span class="self">self</span>::StartsWithStateInternal::<span class="kw-2">*</span>; |
| |
| <span class="doccomment">/// Automaton describes types that behave as a finite automaton. |
| /// |
| /// All implementors of this trait are represented by *byte based* automata. |
| /// Stated differently, all transitions in the automata correspond to a single |
| /// byte in the input. |
| /// |
| /// This implementation choice is important for a couple reasons: |
| /// |
| /// 1. The set of possible transitions in each node is small, which may make |
| /// efficient memory usage easier. |
| /// 2. The finite state transducers in this crate are all byte based, so any |
| /// automata used on them must also be byte based. |
| /// |
| /// In practice, this does present somewhat of a problem, for example, if |
| /// you're storing UTF-8 encoded strings in a finite state transducer. Consider |
| /// using a `Levenshtein` automaton, which accepts a query string and an edit |
| /// distance. The edit distance should apply to some notion of *character*, |
| /// which could be represented by at least 1-4 bytes in a UTF-8 encoding (for |
| /// some definition of "character"). Therefore, the automaton must have UTF-8 |
| /// decoding built into it. This can be tricky to implement, so you may find |
| /// the [`utf8-ranges`](https://crates.io/crates/utf8-ranges) crate useful. |
| </span><span class="kw">pub trait </span>Automaton { |
| <span class="doccomment">/// The type of the state used in the automaton. |
| </span><span class="kw">type </span>State; |
| |
| <span class="doccomment">/// Returns a single start state for this automaton. |
| /// |
| /// This method should always return the same value for each |
| /// implementation. |
| </span><span class="kw">fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self</span>::State; |
| |
| <span class="doccomment">/// Returns true if and only if `state` is a match state. |
| </span><span class="kw">fn </span>is_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span><span class="self">Self</span>::State) -> bool; |
| |
| <span class="doccomment">/// Returns true if and only if `state` can lead to a match in zero or more |
| /// steps. |
| /// |
| /// If this returns `false`, then no sequence of inputs from this state |
| /// should ever produce a match. If this does not follow, then those match |
| /// states may never be reached. In other words, behavior may be incorrect. |
| /// |
| /// If this returns `true` even when no match is possible, then behavior |
| /// will be correct, but callers may be forced to do additional work. |
| </span><span class="kw">fn </span>can_match(<span class="kw-2">&</span><span class="self">self</span>, _state: <span class="kw-2">&</span><span class="self">Self</span>::State) -> bool { |
| <span class="bool-val">true |
| </span>} |
| |
| <span class="doccomment">/// Returns true if and only if `state` matches and must match no matter |
| /// what steps are taken. |
| /// |
| /// If this returns `true`, then every sequence of inputs from this state |
| /// produces a match. If this does not follow, then those match states may |
| /// never be reached. In other words, behavior may be incorrect. |
| /// |
| /// If this returns `false` even when every sequence of inputs will lead to |
| /// a match, then behavior will be correct, but callers may be forced to do |
| /// additional work. |
| </span><span class="kw">fn </span>will_always_match(<span class="kw-2">&</span><span class="self">self</span>, _state: <span class="kw-2">&</span><span class="self">Self</span>::State) -> bool { |
| <span class="bool-val">false |
| </span>} |
| |
| <span class="doccomment">/// Return the next state given `state` and an input. |
| </span><span class="kw">fn </span>accept(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span><span class="self">Self</span>::State, byte: u8) -> <span class="self">Self</span>::State; |
| |
| <span class="doccomment">/// Returns an automaton that matches the strings that start with something |
| /// this automaton matches. |
| </span><span class="kw">fn </span>starts_with(<span class="self">self</span>) -> StartsWith<<span class="self">Self</span>> |
| <span class="kw">where |
| </span><span class="self">Self</span>: Sized, |
| { |
| StartsWith(<span class="self">self</span>) |
| } |
| |
| <span class="doccomment">/// Returns an automaton that matches the strings matched by either this or |
| /// the other automaton. |
| </span><span class="kw">fn </span>union<Rhs: Automaton>(<span class="self">self</span>, rhs: Rhs) -> Union<<span class="self">Self</span>, Rhs> |
| <span class="kw">where |
| </span><span class="self">Self</span>: Sized, |
| { |
| Union(<span class="self">self</span>, rhs) |
| } |
| |
| <span class="doccomment">/// Returns an automaton that matches the strings matched by both this and |
| /// the other automaton. |
| </span><span class="kw">fn </span>intersection<Rhs: Automaton>(<span class="self">self</span>, rhs: Rhs) -> Intersection<<span class="self">Self</span>, Rhs> |
| <span class="kw">where |
| </span><span class="self">Self</span>: Sized, |
| { |
| Intersection(<span class="self">self</span>, rhs) |
| } |
| |
| <span class="doccomment">/// Returns an automaton that matches the strings not matched by this |
| /// automaton. |
| </span><span class="kw">fn </span>complement(<span class="self">self</span>) -> Complement<<span class="self">Self</span>> |
| <span class="kw">where |
| </span><span class="self">Self</span>: Sized, |
| { |
| Complement(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, T: Automaton> Automaton <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>T { |
| <span class="kw">type </span>State = T::State; |
| |
| <span class="kw">fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self</span>::State { |
| (<span class="kw-2">*</span><span class="self">self</span>).start() |
| } |
| |
| <span class="kw">fn </span>is_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span><span class="self">Self</span>::State) -> bool { |
| (<span class="kw-2">*</span><span class="self">self</span>).is_match(state) |
| } |
| |
| <span class="kw">fn </span>can_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span><span class="self">Self</span>::State) -> bool { |
| (<span class="kw-2">*</span><span class="self">self</span>).can_match(state) |
| } |
| |
| <span class="kw">fn </span>will_always_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span><span class="self">Self</span>::State) -> bool { |
| (<span class="kw-2">*</span><span class="self">self</span>).will_always_match(state) |
| } |
| |
| <span class="kw">fn </span>accept(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span><span class="self">Self</span>::State, byte: u8) -> <span class="self">Self</span>::State { |
| (<span class="kw-2">*</span><span class="self">self</span>).accept(state, byte) |
| } |
| } |
| |
| <span class="doccomment">/// An automaton that matches if the input contains a specific subsequence. |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>Subsequence<<span class="lifetime">'a</span>> { |
| subseq: <span class="kw-2">&</span><span class="lifetime">'a </span>[u8], |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> Subsequence<<span class="lifetime">'a</span>> { |
| <span class="doccomment">/// Constructs automaton that matches input containing the |
| /// specified subsequence. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>new(subsequence: <span class="kw-2">&</span><span class="lifetime">'a </span>str) -> Subsequence<<span class="lifetime">'a</span>> { |
| Subsequence { |
| subseq: subsequence.as_bytes(), |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> Automaton <span class="kw">for </span>Subsequence<<span class="lifetime">'a</span>> { |
| <span class="kw">type </span>State = usize; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="number">0 |
| </span>} |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>is_match(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">&</span>state: <span class="kw-2">&</span>usize) -> bool { |
| state == <span class="self">self</span>.subseq.len() |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>can_match(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>usize) -> bool { |
| <span class="bool-val">true |
| </span>} |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>will_always_match(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">&</span>state: <span class="kw-2">&</span>usize) -> bool { |
| state == <span class="self">self</span>.subseq.len() |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>accept(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">&</span>state: <span class="kw-2">&</span>usize, byte: u8) -> usize { |
| <span class="kw">if </span>state == <span class="self">self</span>.subseq.len() { |
| <span class="kw">return </span>state; |
| } |
| state + (byte == <span class="self">self</span>.subseq[state]) <span class="kw">as </span>usize |
| } |
| } |
| |
| <span class="doccomment">/// An automaton that always matches. |
| /// |
| /// This is useful in a generic context as a way to express that no automaton |
| /// should be used. |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>AlwaysMatch; |
| |
| <span class="kw">impl </span>Automaton <span class="kw">for </span>AlwaysMatch { |
| <span class="kw">type </span>State = (); |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) {} |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>is_match(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>()) -> bool { |
| <span class="bool-val">true |
| </span>} |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>can_match(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>()) -> bool { |
| <span class="bool-val">true |
| </span>} |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>will_always_match(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>()) -> bool { |
| <span class="bool-val">true |
| </span>} |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>accept(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span>(), <span class="kw">_</span>: u8) {} |
| } |
| |
| <span class="doccomment">/// An automaton that matches a string that begins with something that the |
| /// wrapped automaton matches. |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>StartsWith<A>(A); |
| |
| <span class="doccomment">/// The `Automaton` state for `StartsWith<A>`. |
| </span><span class="kw">pub struct </span>StartsWithState<A: Automaton>(StartsWithStateInternal<A>); |
| |
| <span class="kw">enum </span>StartsWithStateInternal<A: Automaton> { |
| Done, |
| Running(A::State), |
| } |
| |
| <span class="kw">impl</span><A: Automaton> Automaton <span class="kw">for </span>StartsWith<A> { |
| <span class="kw">type </span>State = StartsWithState<A>; |
| |
| <span class="kw">fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) -> StartsWithState<A> { |
| StartsWithState({ |
| <span class="kw">let </span>inner = <span class="self">self</span>.<span class="number">0</span>.start(); |
| <span class="kw">if </span><span class="self">self</span>.<span class="number">0</span>.is_match(<span class="kw-2">&</span>inner) { |
| Done |
| } <span class="kw">else </span>{ |
| Running(inner) |
| } |
| }) |
| } |
| |
| <span class="kw">fn </span>is_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>StartsWithState<A>) -> bool { |
| <span class="kw">match </span>state.<span class="number">0 </span>{ |
| Done => <span class="bool-val">true</span>, |
| Running(<span class="kw">_</span>) => <span class="bool-val">false</span>, |
| } |
| } |
| |
| <span class="kw">fn </span>can_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>StartsWithState<A>) -> bool { |
| <span class="kw">match </span>state.<span class="number">0 </span>{ |
| Done => <span class="bool-val">true</span>, |
| Running(<span class="kw-2">ref </span>inner) => <span class="self">self</span>.<span class="number">0</span>.can_match(inner), |
| } |
| } |
| |
| <span class="kw">fn </span>will_always_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>StartsWithState<A>) -> bool { |
| <span class="kw">match </span>state.<span class="number">0 </span>{ |
| Done => <span class="bool-val">true</span>, |
| Running(<span class="kw">_</span>) => <span class="bool-val">false</span>, |
| } |
| } |
| |
| <span class="kw">fn </span>accept(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>StartsWithState<A>, byte: u8) -> StartsWithState<A> { |
| StartsWithState(<span class="kw">match </span>state.<span class="number">0 </span>{ |
| Done => Done, |
| Running(<span class="kw-2">ref </span>inner) => { |
| <span class="kw">let </span>next_inner = <span class="self">self</span>.<span class="number">0</span>.accept(inner, byte); |
| <span class="kw">if </span><span class="self">self</span>.<span class="number">0</span>.is_match(<span class="kw-2">&</span>next_inner) { |
| Done |
| } <span class="kw">else </span>{ |
| Running(next_inner) |
| } |
| } |
| }) |
| } |
| } |
| |
| <span class="doccomment">/// An automaton that matches when one of its component automata match. |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>Union<A, B>(A, B); |
| |
| <span class="doccomment">/// The `Automaton` state for `Union<A, B>`. |
| </span><span class="kw">pub struct </span>UnionState<A: Automaton, B: Automaton>(A::State, B::State); |
| |
| <span class="kw">impl</span><A: Automaton, B: Automaton> Automaton <span class="kw">for </span>Union<A, B> { |
| <span class="kw">type </span>State = UnionState<A, B>; |
| |
| <span class="kw">fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) -> UnionState<A, B> { |
| UnionState(<span class="self">self</span>.<span class="number">0</span>.start(), <span class="self">self</span>.<span class="number">1</span>.start()) |
| } |
| |
| <span class="kw">fn </span>is_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>UnionState<A, B>) -> bool { |
| <span class="self">self</span>.<span class="number">0</span>.is_match(<span class="kw-2">&</span>state.<span class="number">0</span>) || <span class="self">self</span>.<span class="number">1</span>.is_match(<span class="kw-2">&</span>state.<span class="number">1</span>) |
| } |
| |
| <span class="kw">fn </span>can_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>UnionState<A, B>) -> bool { |
| <span class="self">self</span>.<span class="number">0</span>.can_match(<span class="kw-2">&</span>state.<span class="number">0</span>) || <span class="self">self</span>.<span class="number">1</span>.can_match(<span class="kw-2">&</span>state.<span class="number">1</span>) |
| } |
| |
| <span class="kw">fn </span>will_always_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>UnionState<A, B>) -> bool { |
| <span class="self">self</span>.<span class="number">0</span>.will_always_match(<span class="kw-2">&</span>state.<span class="number">0</span>) || <span class="self">self</span>.<span class="number">1</span>.will_always_match(<span class="kw-2">&</span>state.<span class="number">1</span>) |
| } |
| |
| <span class="kw">fn </span>accept(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>UnionState<A, B>, byte: u8) -> UnionState<A, B> { |
| UnionState(<span class="self">self</span>.<span class="number">0</span>.accept(<span class="kw-2">&</span>state.<span class="number">0</span>, byte), <span class="self">self</span>.<span class="number">1</span>.accept(<span class="kw-2">&</span>state.<span class="number">1</span>, byte)) |
| } |
| } |
| |
| <span class="doccomment">/// An automaton that matches when both of its component automata match. |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>Intersection<A, B>(A, B); |
| |
| <span class="doccomment">/// The `Automaton` state for `Intersection<A, B>`. |
| </span><span class="kw">pub struct </span>IntersectionState<A: Automaton, B: Automaton>(A::State, B::State); |
| |
| <span class="kw">impl</span><A: Automaton, B: Automaton> Automaton <span class="kw">for </span>Intersection<A, B> { |
| <span class="kw">type </span>State = IntersectionState<A, B>; |
| |
| <span class="kw">fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) -> IntersectionState<A, B> { |
| IntersectionState(<span class="self">self</span>.<span class="number">0</span>.start(), <span class="self">self</span>.<span class="number">1</span>.start()) |
| } |
| |
| <span class="kw">fn </span>is_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>IntersectionState<A, B>) -> bool { |
| <span class="self">self</span>.<span class="number">0</span>.is_match(<span class="kw-2">&</span>state.<span class="number">0</span>) && <span class="self">self</span>.<span class="number">1</span>.is_match(<span class="kw-2">&</span>state.<span class="number">1</span>) |
| } |
| |
| <span class="kw">fn </span>can_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>IntersectionState<A, B>) -> bool { |
| <span class="self">self</span>.<span class="number">0</span>.can_match(<span class="kw-2">&</span>state.<span class="number">0</span>) && <span class="self">self</span>.<span class="number">1</span>.can_match(<span class="kw-2">&</span>state.<span class="number">1</span>) |
| } |
| |
| <span class="kw">fn </span>will_always_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>IntersectionState<A, B>) -> bool { |
| <span class="self">self</span>.<span class="number">0</span>.will_always_match(<span class="kw-2">&</span>state.<span class="number">0</span>) && <span class="self">self</span>.<span class="number">1</span>.will_always_match(<span class="kw-2">&</span>state.<span class="number">1</span>) |
| } |
| |
| <span class="kw">fn </span>accept(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>IntersectionState<A, B>, byte: u8) -> IntersectionState<A, B> { |
| IntersectionState(<span class="self">self</span>.<span class="number">0</span>.accept(<span class="kw-2">&</span>state.<span class="number">0</span>, byte), <span class="self">self</span>.<span class="number">1</span>.accept(<span class="kw-2">&</span>state.<span class="number">1</span>, byte)) |
| } |
| } |
| |
| <span class="doccomment">/// An automaton that matches exactly when the automaton it wraps does not. |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>Complement<A>(A); |
| |
| <span class="doccomment">/// The `Automaton` state for `Complement<A>`. |
| </span><span class="kw">pub struct </span>ComplementState<A: Automaton>(A::State); |
| |
| <span class="kw">impl</span><A: Automaton> Automaton <span class="kw">for </span>Complement<A> { |
| <span class="kw">type </span>State = ComplementState<A>; |
| |
| <span class="kw">fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) -> ComplementState<A> { |
| ComplementState(<span class="self">self</span>.<span class="number">0</span>.start()) |
| } |
| |
| <span class="kw">fn </span>is_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>ComplementState<A>) -> bool { |
| !<span class="self">self</span>.<span class="number">0</span>.is_match(<span class="kw-2">&</span>state.<span class="number">0</span>) |
| } |
| |
| <span class="kw">fn </span>can_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>ComplementState<A>) -> bool { |
| !<span class="self">self</span>.<span class="number">0</span>.will_always_match(<span class="kw-2">&</span>state.<span class="number">0</span>) |
| } |
| |
| <span class="kw">fn </span>will_always_match(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>ComplementState<A>) -> bool { |
| !<span class="self">self</span>.<span class="number">0</span>.can_match(<span class="kw-2">&</span>state.<span class="number">0</span>) |
| } |
| |
| <span class="kw">fn </span>accept(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&</span>ComplementState<A>, byte: u8) -> ComplementState<A> { |
| ComplementState(<span class="self">self</span>.<span class="number">0</span>.accept(<span class="kw-2">&</span>state.<span class="number">0</span>, byte)) |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="tantivy_fst" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |