TypeScript Generics: Practical Fun!
summary
Covers concrete TypeScript recipes: writing generic interfaces and functions like a createBox and createState, typing an identity and a get(key) that uses extends keyof T to constrain keys, and controlling inference with const type parameters and noinfer so literals or typoed values don't corrupt unions. Recommends linting (TSLint/tsdx style rules) and the golden rule that type parameters must relate inputs to outputs to avoid unsafe generics.
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chapters (11)
- 0:00Introduction
- 0:55What are types
- 7:02Identity functions
- 9:49Examples
- 14:13Multic Containers
- 16:05Get
- 23:14Cautions
- 29:36Recap
- 33:36Type vs Interface
- 36:01Improving Generics
- 37:51Buffeting Your Way Into TypeScript
