trie-alg 0.4.0

Trie implementation
Documentation 
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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="Source of the Rust file `src/trie/internal.rs`."><title>internal.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="lib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.1 (3f5fd8dd4 2024-08-06)" data-channel="1.80.1" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="../../../static.files/src-script-e66d777a5a92e9b2.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-df360f571f6edeae.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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</pre></div><pre class="rust"><code><span class="kw">use </span>std::{default::Default, marker::PhantomData};

<span class="kw">use </span><span class="kw">crate</span>::trie::charset::CharSet;
<span class="kw">use </span><span class="kw">crate</span>::trie::member::MemberType;

<span class="kw">struct </span>Node&lt;M, <span class="kw">const </span>SIZE: usize&gt;
<span class="kw">where
    </span>M: MemberType,
{
    child: [usize; SIZE],
    member: M,
}

<span class="kw">impl</span>&lt;M, <span class="kw">const </span>SIZE: usize&gt; Node&lt;M, SIZE&gt;
<span class="kw">where
    </span>M: MemberType,
{
    <span class="kw">fn </span>new() -&gt; <span class="self">Self </span>{
        <span class="self">Self </span>{
            child: [<span class="number">0usize</span>; SIZE],
            member: Default::default(),
        }
    }
}

<span class="attr">#[derive(Default)]
</span><span class="kw">pub struct </span>_Trie&lt;M, C, <span class="kw">const </span>SIZE: usize&gt;
<span class="kw">where
    </span>M: MemberType,
    C: CharSet,
{
    _node: Vec&lt;Node&lt;M, SIZE&gt;&gt;,
    charset: PhantomData&lt;C&gt;,
}

<span class="kw">impl</span>&lt;M, C, <span class="kw">const </span>SIZE: usize&gt; _Trie&lt;M, C, SIZE&gt;
<span class="kw">where
    </span>M: MemberType,
    C: CharSet,
{
    <span class="kw">pub fn </span>new() -&gt; <span class="self">Self </span>{
        <span class="self">Self </span>{
            _node: <span class="macro">vec!</span>[Node::&lt;M, SIZE&gt;::new()],
            charset: PhantomData,
        }
    }

    <span class="kw">pub fn </span>add(<span class="kw-2">&amp;mut </span><span class="self">self</span>, s: <span class="kw-2">&amp;</span>str) -&gt; bool {
        <span class="kw">let </span><span class="kw-2">mut </span>idx = <span class="number">0usize</span>;
        <span class="kw">for </span>ch <span class="kw">in </span>s.chars() {
            <span class="kw">let </span>cidx = C::map(ch);
            <span class="kw">if </span><span class="self">self</span>._node[idx].child[cidx] == <span class="number">0 </span>{
                <span class="self">self</span>._node[idx].child[cidx] = <span class="self">self</span>._node.len();
                <span class="self">self</span>._node.push(Node::new());
            }
            idx = <span class="self">self</span>._node[idx].child[cidx];
        }
        <span class="self">self</span>._node[idx].member.add() == Default::default()
    }

    <span class="kw">pub fn </span>contains(<span class="kw-2">&amp;</span><span class="self">self</span>, s: <span class="kw-2">&amp;</span>str) -&gt; bool {
        <span class="kw">let </span><span class="kw-2">mut </span>idx = <span class="number">0usize</span>;
        <span class="kw">for </span>ch <span class="kw">in </span>s.chars() {
            <span class="kw">let </span>cidx = C::map(ch);
            <span class="kw">if </span><span class="self">self</span>._node[idx].child[cidx] == <span class="number">0 </span>{
                <span class="kw">return </span>Default::default();
            }
            idx = <span class="self">self</span>._node[idx].child[cidx]
        }
        <span class="self">self</span>._node[idx].member.is_member()
    }
}

<span class="kw">impl</span>&lt;C, <span class="kw">const </span>SIZE: usize&gt; _Trie&lt;u32, C, SIZE&gt;
<span class="kw">where
    </span>C: CharSet,
{
    <span class="kw">pub fn </span>count(<span class="kw-2">&amp;</span><span class="self">self</span>, s: <span class="kw-2">&amp;</span>str) -&gt; u32 {
        <span class="kw">let </span><span class="kw-2">mut </span>idx = <span class="number">0usize</span>;
        <span class="kw">for </span>ch <span class="kw">in </span>s.chars() {
            <span class="kw">let </span>cidx = C::map(ch);
            <span class="kw">if </span><span class="self">self</span>._node[idx].child[cidx] == <span class="number">0 </span>{
                <span class="kw">return </span><span class="number">0</span>;
            }
            idx = <span class="self">self</span>._node[idx].child[cidx]
        }
        <span class="self">self</span>._node[idx].member
    }
}
</code></pre></div></section></main></body></html>