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title: Guides
description: Writing an actor from state to renderer, and testing a scene without drawing it.
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---

The [reference](/docs/reactivity) covers one primitive per page. A guide follows one task through
whichever primitives it needs.

**[Creating actors](/docs/guides/creating-actors)**

A toast from its signals and commands to its renderer.

**[Testing](/docs/guides/testing)**

Compile the scene, resolve frames and assert on them.

For complete programs, see the [examples](/docs/examples).