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#generics (3)

Cheat sheets (3)

typing — Advanced Type Hints

Go beyond list[int] and str | None. Covers Protocol, TypeVar bounds, ParamSpec, Concatenate, Self, Annotated, TypedDict with NotRequired/Required, TypeAlias, TypeGuard, TypeIs, cast, assert_type, and reveal_type.
python typing types stdlib mypy generics protocol

React with TypeScript — Components, hooks, generics, and forms

Type-safe React patterns — function components, prop types, children, event handlers, refs, generic components, polymorphic `as` props, and Zod-powered forms.
typescript react ui framework generics

Generics

TypeScript generics allow writing reusable, type-safe code that works over many types. Covers generic functions, interfaces, classes, constraints, keyof, conditional types, and the infer keyword.
typescript generics language