fp-go

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

go golang library utility functional-programming

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2k Stars

75 Forks

2k Watchers

Go Language

apache-2.0 License

100 SrcLog Score

Cost to Build

$755.8K

Market Value

$4.00M

How is this calculated?

Growth over time

5 data points · 2025-02-01 → 2026-04-01

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What is the IBM/fp-go GitHub project? Description: "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". Written in Go. Explain what it does, its main use cases, key features, and who would benefit from using it.

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

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