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golang-samber-mo

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Monadic types for Golang using samber/mo — Option, Result, Either, Future, IO, Task, and State types for type-safe nullable values, error handling, and functional composition with pipeline sub-packages. Apply when using or adopting samber/mo, when the codebase imports `github.com/samber/mo`, or when considering functional programming patterns as a safety design for Golang. Not for nil-safety and zero-value design without this library (→ See `samber/cc-skills-golang@golang-safety` skill), nor for native error wrapping with fmt.Errorf, errors.Is and errors.As (→ See `samber/cc-skills-golang@golang-error-handling` skill).

When to use

• using or adopting samber/mo
• codebase imports github.com/samber/mo
• functional programming patterns as a safety design for Golang
• type-safe nullable values
• error handling
• functional composition
• pipeline sub-packages

When not to use

• nil-safety and zero-value design without this library
• native error wrapping with fmt.Errorf, errors.Is and errors.As

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