domains / families / software-engineering / fp-types-ref

fp-types-ref

authentic

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.

When to use

• You need help choosing between `Option`, `Either`, `Task`, `TaskEither`, or related fp-ts types.
• The task is about imports, decision guidance, or selecting the right abstraction for a TypeScript flow.
• You want a compact reference for common fp-ts type choices and patterns.

When not to use

• Use this skill only when the task clearly matches the scope described above.
• Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
• Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

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