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IBM/fp-go

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Functional programming library for Go 1.24+, inspired by fp-ts. Uses generic type aliases for a clean, composable API. Provides Option, Either, Result, IO, IOResult, Reader, and ReaderIOResult monads, plus optics (Lens, Prism, Traversal) for immutable data manipulation. Supports Functor, Applicative, and Monad abstractions with do-notation-style

9 mentions on Hacker News by 8 people: 2 stories, 7 comments · first 2023-08-18 · latest 2026-03-13