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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 `parser/src/span.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>span.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 src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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</pre><div class="example-wrap"><pre class="rust ">
<span class="kw">use</span> <span class="ident">serde</span>::{
<span class="ident">Deserialize</span>,
<span class="ident">Serialize</span>,
};
<span class="doccomment">/// An exclusive span of byte offsets in a source file.</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">Copy</span>, <span class="ident">Clone</span>, <span class="ident">Hash</span>, <span class="ident">Eq</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Span</span> {
<span class="doccomment">/// A byte offset specifying the inclusive start of a span.</span>
<span class="kw">pub</span> <span class="ident">start</span>: <span class="ident">usize</span>,
<span class="doccomment">/// A byte offset specifying the exclusive end of a span.</span>
<span class="kw">pub</span> <span class="ident">end</span>: <span class="ident">usize</span>,
}
<span class="kw">impl</span> <span class="ident">Span</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">start</span>: <span class="ident">usize</span>, <span class="ident">end</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> {
<span class="ident">Span</span> { <span class="ident">start</span>, <span class="ident">end</span> }
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_pair</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">E</span><span class="op">></span>(<span class="ident">start_elem</span>: <span class="ident">S</span>, <span class="ident">end_elem</span>: <span class="ident">E</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span>
<span class="kw">where</span>
<span class="ident">S</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">Span</span><span class="op">></span>,
<span class="ident">E</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">Span</span><span class="op">></span>,
{
<span class="kw">let</span> <span class="ident">start_span</span>: <span class="ident">Span</span> <span class="op">=</span> <span class="ident">start_elem</span>.<span class="ident">into</span>();
<span class="kw">let</span> <span class="ident">end_span</span>: <span class="ident">Span</span> <span class="op">=</span> <span class="ident">end_elem</span>.<span class="ident">into</span>();
<span class="self">Self</span> {
<span class="ident">start</span>: <span class="ident">start_span</span>.<span class="ident">start</span>,
<span class="ident">end</span>: <span class="ident">end_span</span>.<span class="ident">end</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">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Spanned</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">pub</span> <span class="ident">node</span>: <span class="ident">T</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">From</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Spanned</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">spanned</span>: <span class="kw-2">&</span><span class="ident">Spanned</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> {
<span class="ident">spanned</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">Spanned</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">spanned</span>: <span class="kw-2">&</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Spanned</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> {
<span class="ident">spanned</span>.<span class="ident">span</span>
}
}
</pre></div>
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