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Quick reference for Either type. Use when user needs error handling, validation, or operations that can fail with typed errors.

Quick reference for TaskEither. Use when user needs async error handling, API calls, or Promise-based operations that can fail.

Practical async patterns using TaskEither - clean pipelines instead of try/catch hell, with real API examples

Stop throwing everywhere - handle errors as values using Either and TaskEither for cleaner, more predictable code