IBM/fp-go

fp-go

✅ Recently maintained

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

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Go · Apache-2.0 · Last push 2026-11-01

Official repository & installation ↗
functional-programminggogolanglibrarymonadutility

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2025-09-292026-11-02
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Get the project

git clone https://github.com/IBM/fp-go.git

Cloning downloads the source. For dependencies and installation, follow the project README.

Related projects & alternative candidates

Related domains do not imply feature parity. Review official documentation and licenses.