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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 `crates/parser/src/node.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>node.rs - source</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="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.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"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></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"><div class="sidebar-menu" role="button">☰</div><a href='../../fe_parser/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><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><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><pre class="rust"><code><span class="kw">pub</span> <span class="kw">use</span> <span class="ident">fe_common</span>::{<span class="ident">Span</span>, <span class="ident">Spanned</span>};
<span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>};
<span class="kw">use</span> <span class="ident">std::sync::atomic</span>::{<span class="ident">AtomicU32</span>, <span class="ident">Ordering</span>};
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">PartialEq</span>, <span class="ident">Copy</span>, <span class="ident">Clone</span>, <span class="ident">Hash</span>, <span class="ident">Eq</span>, <span class="ident">Default</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">NodeId</span>(<span class="ident">u32</span>);
<span class="kw">impl</span> <span class="ident">NodeId</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">create</span>() -> <span class="self">Self</span> {
<span class="kw">static</span> <span class="ident">NEXT_ID</span>: <span class="ident">AtomicU32</span> <span class="op">=</span> <span class="ident">AtomicU32::new</span>(<span class="number">0</span>);
<span class="self">Self</span>(<span class="ident">NEXT_ID</span>.<span class="ident">fetch_add</span>(<span class="number">1</span>, <span class="ident">Ordering::Relaxed</span>))
}
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">Hash</span>, <span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">pub</span> <span class="ident">kind</span>: <span class="ident">T</span>,
<span class="attribute">#[<span class="ident">serde</span>(<span class="ident">skip_serializing</span>, <span class="ident">skip_deserializing</span>)]</span>
<span class="kw">pub</span> <span class="ident">id</span>: <span class="ident">NodeId</span>,
<span class="attribute">#[<span class="ident">serde</span>(<span class="ident">skip_serializing</span>, <span class="ident">skip_deserializing</span>)]</span>
<span class="kw">pub</span> <span class="ident">original_id</span>: <span class="ident">NodeId</span>,
<span class="kw">pub</span> <span class="ident">span</span>: <span class="ident">Span</span>,
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">kind</span>: <span class="ident">T</span>, <span class="ident">span</span>: <span class="ident">Span</span>) -> <span class="self">Self</span> {
<span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">NodeId::create</span>();
<span class="self">Self</span> {
<span class="ident">kind</span>,
<span class="ident">id</span>,
<span class="ident">original_id</span>: <span class="ident">id</span>,
<span class="ident">span</span>,
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with_original_id</span>(<span class="ident">kind</span>: <span class="ident">T</span>, <span class="ident">span</span>: <span class="ident">Span</span>, <span class="ident">original_id</span>: <span class="ident">NodeId</span>) -> <span class="self">Self</span> {
<span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">NodeId::create</span>();
<span class="self">Self</span> {
<span class="ident">kind</span>,
<span class="ident">id</span>,
<span class="ident">original_id</span>,
<span class="ident">span</span>,
}
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Spanned</span> <span class="kw">for</span> <span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">span</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Span</span> {
<span class="self">self</span>.<span class="ident">span</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span> <span class="kw">for</span> <span class="ident">Span</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">node</span>: <span class="kw-2">&</span><span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>) -> <span class="self">Self</span> {
<span class="ident">node</span>.<span class="ident">span</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span><span class="op">></span> <span class="kw">for</span> <span class="ident">Span</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">node</span>: <span class="kw-2">&</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span>) -> <span class="self">Self</span> {
<span class="ident">node</span>.<span class="ident">span</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span> <span class="kw">for</span> <span class="ident">NodeId</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">node</span>: <span class="kw-2">&</span><span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>) -> <span class="self">Self</span> {
<span class="ident">node</span>.<span class="ident">id</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span><span class="op">></span> <span class="kw">for</span> <span class="ident">NodeId</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">node</span>: <span class="kw-2">&</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Node</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span>) -> <span class="self">Self</span> {
<span class="ident">node</span>.<span class="ident">id</span>
}
}
</code></pre></div>
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