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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>@export — Ludic</title>
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<meta name="description" content="Expose a function as a native symbol so a host can call it.">
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<link rel="stylesheet" href="base.css">
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<link rel="stylesheet" href="docs.css">
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</head>
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<body>
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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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<main class="wrap item">
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<div class="crumbs"><a href="api.html">API Reference</a> <span>›</span> <a href="api.html#annotations">Annotations</a> <span>›</span> <span class="here">@export</span></div>
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<div class="item-head">
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<span class="kind-badge kind-annotation">annotation</span>
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<h1 id="top">@export</h1>
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</div>
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<code class="sig">@export function name(…) -> R</code>
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<div class="desc"><p><code>@export</code> makes a <code>function</code> visible outside the module as a plain native symbol, so a host program or another linked object can call it by name. Without it, functions are internal to the compiled unit; with it, the emitted symbol is externally linkable, which is how Ludic hands entry points to a runtime seam or a foreign caller. It is the outbound counterpart to <code>extern function</code>, which pulls a foreign symbol in. Keep exported signatures to POD scalars and pointers, since they cross a native ABI boundary where Ludic's richer types do not apply.</p></div>
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<div class="examples"><h2>Example</h2><pre data-lang="ludic">program ScoreModule {
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var running_total: int = 0
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@export function add_points(amount: int) -> int { # callable from a native host
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running_total = running_total + amount
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return running_total
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}
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entry {
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print(add_points(10)) # 10
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print(add_points(5)) # 15
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}
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}</pre></div>
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<a class="back" href="api.html">← All symbols</a>
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</main>
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<script src="ludic-highlight.js"></script>
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<script>Ludic.highlightAll(); Ludic.installCards(); Ludic.flashTarget();</script>
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</body></html>
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