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TypeScript Types and Generics/Use `ReturnType<T>`

Extract a function’s return type.

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Section: Utility Types

Use `ReturnType<T>`

typescript
typescript
function createUser() {
  return { id: 1, name: "Ada" };
}

type User = ReturnType<typeof createUser>;
Explanation

Useful when you want a type that stays synced with a function implementation.

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