Functional-go Alternatives

go

The Go programming language

redpanda

Redpanda is a streaming data platform for developers. Kafka API compatible. 10x faster. No ZooKeeper. No JVM!

lo

💥 A Lodash-style Go library based on Go 1.18+ Generics (map, filter, contains, find...)

proposal

Go Project Design Documents

golang-set

A simple, battle-tested and generic set type for the Go language. Trusted by GoogleCloudPlatform, Docker, 1Password, Ethereum and Hashicorp.

stream

Go Stream, like Java 8 Stream. (by youthlin)

genny

Elegant generics for Go

iOverlay

Boolean Operations for 2D Polygons: Supports intersection, union, difference, xor, and self-intersections for all polygon varieties. (by iShape-Swift)

go-generic-optional

Implementation of Optionals in Go using Generics

http-file-server

tiny portable HTTP file server. single binary, no dependencies. linux, osx, windows. #golang

gtl

Golang Template Library (GTL). Common data structures using Golang generics. (by dgrr)

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_chainable

With generics, allowing chainable .Map(func(...)).Reduce(func(...)) syntax in go

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