---
keywords: ""
title: "SIMD3"
layout: "default"
root: "/v5.1"
description: "Swift documentation for 'SIMD3'"
---

<div class="intro-declaration"><code class="language-swift">struct SIMD3</code></div><p>A vector of three scalar values.</p>
<table class="standard"><tr><th id="inheritance">Inheritance</th><td><code class="inherits">SIMD, CustomDebugStringConvertible</code></td></tr><tr><th id="aliases">Associated Types</th><td><span id="aliasesmark"></span><div class="declaration"><code class="language-swift