#quick-reference

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.

Quick reference for fp-ts types. Use when user asks which type to use, needs Option/Either/Task decision help, or wants fp-ts imports.

Quick reference for pipe and flow. Use when user needs to chain functions, compose operations, or build data pipelines in fp-ts.

Quick reference for Option type. Use when user needs to handle nullable values, optional data, or wants to avoid null checks.