<!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 `geom/src/percent.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>percent.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" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><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>
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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::fmt</span>;

<span class="doccomment">/// Most of the time, [0, 1]. But some callers may go outside this range.</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">PartialEq</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Percent</span>(<span class="ident">f64</span>);

<span class="kw">impl</span> <span class="ident">Percent</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">inner</span>(<span class="self">self</span>) -&gt; <span class="ident">f64</span> {
        <span class="self">self</span>.<span class="number">0</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">int</span>(<span class="ident">x</span>: <span class="ident">usize</span>) -&gt; <span class="ident">Percent</span> {
        <span class="kw">if</span> <span class="ident">x</span> <span class="op">&gt;</span> <span class="number">100</span> {
            <span class="macro">panic!</span>(<span class="string">&quot;Percent::int({}) too big&quot;</span>, <span class="ident">x</span>);
        }
        <span class="ident">Percent</span>((<span class="ident">x</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">/</span> <span class="number">100.0</span>)
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">of</span>(<span class="ident">x</span>: <span class="ident">usize</span>, <span class="ident">total</span>: <span class="ident">usize</span>) -&gt; <span class="ident">Percent</span> {
        <span class="ident">Percent</span>((<span class="ident">x</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">/</span> (<span class="ident">total</span> <span class="kw">as</span> <span class="ident">f64</span>))
    }
}

<span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">Percent</span> {
    <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&amp;mut</span> <span class="ident">fmt::Formatter</span>) -&gt; <span class="ident">fmt::Result</span> {
        <span class="macro">write!</span>(<span class="ident">f</span>, <span class="string">&quot;{:.2}%&quot;</span>, <span class="self">self</span>.<span class="number">0</span> <span class="op">*</span> <span class="number">100.0</span>)
    }
}
</code></pre></div>
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