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Build reusable classes and single inheritance in Lua using metatables and __index. Covers constructor patterns, colon syntax, inheritance chains, rawget/rawset, shared metatables, and verification steps with a complete runnable example.
Guide to choosing between metatables, composition, and closures for OOP in Lua. Includes performance trade-offs, memory diagnostics, and implementation examples.
Learn how Lua's __index metamethod lets tables delegate missing keys, enabling prototype‑style inheritance without copying methods.
Learn how to declare typed properties in PHP 7.4+, understand runtime type checks, inheritance constraints, and avoid common pitfalls.
Learn how to use Lua metatables to implement operator overloading and prototype-based inheritance, transforming simple tables into powerful custom objects.
lua