Individual skill
roblox-luau-core
Use when writing, editing, or debugging any Luau: tables, control flow, string patterns, scope, closures, and errors ported from JS/Python.
skills/core/roblox-luau-core/SKILL.md
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- agent-skills Repository topic
- ai-skills Repository topic
- claude-code Repository topic
- codex Repository topic
- cursor Repository topic
- game-development Repository topic
- luau Repository topic
- roblox Repository topic
- roblox-studio Repository topic
- writing Derived category
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SKILL.mdcore · 3,146 bytesreferences/full.mddoc · 31,703 bytes
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# Luau Core Language
## When to Load
Load for Luau semantics and JS/Python translation. Types: `roblox-luau-types`; lifecycle: `roblox-luau-patterns`; engine APIs: domain skills.
## Quick Reference
- Only `false` and `nil` are falsy. `0`, `""`, and `{}` are truthy.
- Equality does not coerce types. `0 == "0"` is false. Inequality is `~=`.
- Array conventions are 1-based. `#array` is meaningful only for a sequence without nil gaps.
- Assigning `nil` removes a table key; assigning a table copies the reference; `table.clone` is shallow.
- Dictionary iteration order is unspecified. Do not make behavior depend on it.
- Dynamic keys require brackets: `record[field]`. Dot syntax uses a literal identifier.