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<title>List.reverse — Ludic</title>
<meta name="description" content="Reverse the order of a slice in place.">
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<span class="kind-badge kind-method">method</span>
<h1 id="top">List.reverse</h1>
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<code class="sig">List.reverse(s) -&gt; void</code>
<div class="desc"><p>Reverses <code>s</code> so its first element becomes last and vice versa, mutating the slice in place rather than returning a copy. Use it to flip an order you built back-to-front — a path traced from goal to start, an undo stack you want oldest-first, or a list you appended to and now want to read in the opposite direction.</p></div>
<div class="params"><h2>Parameters</h2><div class="param" id="param-s"><code class="pname">s</code><span class="pdesc">the slice to reverse</span></div></div>
<div class="examples"><h2>Example</h2><pre data-lang="ludic">program PathOrder {
var path: []int = new []int
handler Finalize phase Update {
# path was built from the goal back to the start
List.reverse(path) # now start -&gt; goal
}
}</pre></div>
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