TypeScript Discriminated Unions
How to model variant types in TypeScript with discriminated unions: design, narrowing, exhaustiveness checks, and real-world patterns.
·5 min read · #typescript#discriminated-unions#narrowing
#discriminated-unions
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TypeScript Type Guards Deep Dive
Master TypeScript type guards: typeof, instanceof, discriminated unions, user-defined predicates, and assertion functions. Narrow types safely and idiomatically.
·5 min read · #typescript#type-guards#narrowing