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<title>unwrap_or — Ludic</title>
<meta name="description" content="The option value, or a fallback if empty.">
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<header class="nav"><div class="wrap nav-in"><a class="brand" href="index.html"><span class="logo">L</span> Ludic</a><button class="nav-toggle" aria-label="Toggle menu" aria-expanded="false">☰</button><nav class="nav-links"><a href="index.html">Home</a><a href="api.html">API Reference</a><a class="nav-cta" href="https://git.workshopsoft.io/workshopsoft/ludic">Source ↗</a></nav></div></header>
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<div class="crumbs"><a href="api.html">API Reference</a> <span>›</span> <a href="api.html#builtins">Builtin functions</a> <span>›</span> <span class="here">unwrap_or</span></div>
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<span class="kind-badge kind-builtin">function</span>
<h1 id="top">unwrap_or</h1>
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<code class="sig">unwrap_or(o: option, fallback) -&gt; int</code>
<div class="desc"><p>Reads an <code>option</code>: returns its value when it is <a href="fn-some"><code>some</code></a>, or <code>fallback</code> when it is <a href="fn-none"><code>none</code></a>. The safe, one-line way to get a usable value out of an option without a separate branch.</p></div>
<div class="params"><h2>Parameters</h2><div class="param" id="param-o"><code class="pname">o</code><span class="pdesc">the option to read</span></div><div class="param" id="param-fallback"><code class="pname">fallback</code><span class="pdesc">the value to use when the option is empty</span></div></div>
<div class="examples"><h2>Example</h2><pre data-lang="ludic">program Config {
handler Step phase Update {
let volume = unwrap_or(none(), 100) # default to 100
}
}</pre></div>
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