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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="Cast from an array of colors to an array of color components."><title>into_component_array in cosmic::cosmic_theme::palette::cast - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.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-9960930a.css"><link rel="stylesheet" href="../../../../static.files/rustdoc-aa0817cf.css"><meta name="rustdoc-vars" data-root-path="../../../../" data-static-root-path="../../../../static.files/" data-current-crate="cosmic" data-themes="" data-resource-suffix="" data-rustdoc-version="1.90.0-nightly (3048886e5 2025-07-30)" data-channel="nightly" data-search-js="search-fa3e91e5.js" data-settings-js="settings-5514c975.js" ><script src="../../../../static.files/storage-68b7e25d.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../../static.files/main-eebb9057.js"></script><noscript><link rel="stylesheet" href="../../../../static.files/noscript-32bb7600.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../../../static.files/favicon-044be391.svg"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../../cosmic/index.html">cosmic</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">into_<wbr>component_<wbr>array</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#panics" title="Panics">Panics</a></li><li><a href="#examples" title="Examples">Examples</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="index.html">In cosmic::<wbr>cosmic_<wbr>theme::<wbr>palette::<wbr>cast</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../../index.html">cosmic</a>::<wbr><a href="../../index.html">cosmic_theme</a>::<wbr><a href="../index.html">palette</a>::<wbr><a href="index.html">cast</a></div><h1>Function <span class="fn">into_component_array</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="https://docs.rs/palette/0.7.6/src/palette/cast/array.rs.html#446-450">Source</a> </span></div><pre class="rust item-decl"><code>pub fn into_component_array<T, const N: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, const M: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>>(
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values: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.array.html">[T; N]</a>,
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) -> [<<T as <a class="trait" href="trait.ArrayCast.html" title="trait cosmic::cosmic_theme::palette::cast::ArrayCast">ArrayCast</a>>::<a class="associatedtype" href="trait.ArrayCast.html#associatedtype.Array" title="type cosmic::cosmic_theme::palette::cast::ArrayCast::Array">Array</a> as <a class="trait" href="../trait.ArrayExt.html" title="trait cosmic::cosmic_theme::palette::ArrayExt">ArrayExt</a>>::<a class="associatedtype" href="../trait.ArrayExt.html#associatedtype.Item" title="type cosmic::cosmic_theme::palette::ArrayExt::Item">Item</a>; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.array.html">M</a>]<div class="where">where
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T: <a class="trait" href="trait.ArrayCast.html" title="trait cosmic::cosmic_theme::palette::cast::ArrayCast">ArrayCast</a>,</div></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Cast from an array of colors to an array of color components.</p>
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<h3 id="panics"><a class="doc-anchor" href="#panics">§</a>Panics</h3>
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<p>It’s unfortunately not able to infer the length of the component array,
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until generic const expressions are stabilized. In the meantime, it’s going
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to panic if <code>M</code> isn’t <code>N * T::Array::LENGTH</code>. A future version will remove
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the <code>M</code> parameter and make the mismatch a compiler error.</p>
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<p>No <code>try_*</code> alternative is provided, since the array size can’t be changed
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during runtime.</p>
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<h3 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h3>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>palette::{cast, Srgb};
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<span class="kw">let </span>colors = [Srgb::new(<span class="number">64u8</span>, <span class="number">139</span>, <span class="number">10</span>), Srgb::new(<span class="number">93</span>, <span class="number">18</span>, <span class="number">214</span>)];
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<span class="macro">assert_eq!</span>(cast::into_component_array(colors), [<span class="number">64</span>, <span class="number">139</span>, <span class="number">10</span>, <span class="number">93</span>, <span class="number">18</span>, <span class="number">214</span>])</code></pre></div>
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<p>It panics when the array lengths don’t match up:</p>
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<div class="example-wrap should_panic"><a href="#" class="tooltip" title="This example panics">ⓘ</a><pre class="rust rust-example-rendered"><code><span class="kw">use </span>palette::{cast, Srgb};
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<span class="kw">let </span>colors = [Srgb::new(<span class="number">64u8</span>, <span class="number">139</span>, <span class="number">10</span>), Srgb::new(<span class="number">93</span>, <span class="number">18</span>, <span class="number">214</span>)];
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<span class="macro">assert_eq!</span>(cast::into_component_array(colors), [<span class="number">64</span>, <span class="number">139</span>, <span class="number">10</span>]) <span class="comment">// Too short</span></code></pre></div>
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