Dr. Axel Rauschmayer • 3/4/2025

Unions and intersections of object types in TypeScript

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This TypeScript tutorial explains unions and intersections of object types, demonstrating practical use cases like creating a Shape type and a virtual file system. It covers type narrowing with the 'in' operator and implementing discriminated unions for better type safety and exhaustive case checking in functions.

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#TypeScript #type system #object types
Unions and intersections of object types in TypeScript

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