33 lines
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2.2 KiB
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33 lines
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2.2 KiB
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<title>Uuid.new — Ludic</title>
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<meta name="description" content="A new random (v4) UUID as a canonical 36-char string.">
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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="ns-uuid.html">Uuid</a> <span>›</span> <span class="here">Uuid.new</span></div>
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<span class="kind-badge kind-method">method</span>
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<h1 id="top">Uuid.new</h1>
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</div>
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<code class="sig">Uuid.new() -> string</code>
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<div class="desc"><p>Generates a new **v4** (random) UUID and returns it in canonical lowercase text form, e.g. <code>550e8400-e29b-41d4-a716-446655440000</code>. A v4 UUID carries 122 bits of entropy drawn from the OS secure random generator, so two independently-generated IDs colliding is not something you will ever observe in practice — which is exactly what makes it a good identity for a player, a session, a networked entity, or a piece of user-created content that has no central authority to number it.</p><p>This is the default UUID constructor; <a href="uuid-v4"><code>Uuid.v4</code></a> is an explicit alias. Because the value is random it is **non-deterministic** — do not mint UUIDs inside the lockstep simulation, or replays and peers will diverge.</p></div>
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<div class="examples"><h2>Example</h2><pre data-lang="ludic">program NewId {
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entry {
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let id = Uuid.new()
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print(len(id)) # 36
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}
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}</pre></div>
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