monad

C# pure functional programming framework - come and get declarative!

🦄 Monads and popular FP abstractions, powered by Go 1.18+ Generics (Option, Result, Either...)

函数式编程指南中文版

🦋 Fantasy Land compliant (monadic) alternative to Promises

functional programming library for golang

Functional programming in Java

A collection of well known Algebraic Data Types for your utter enjoyment.

Functional programming library for TypeScript - https://gigobyte.github.io/purify/

A library for functional programming in Rust

An advanced, but easy to use, platform for writing functional applications in Java 8.

Monads and other dark magic for Elixir

A multiplatform Result monad for modelling success or failure operations.

🔧 Fast, modern, and practical utility library for FP in TypeScript.

The most powerful IO monad implementation in JS, possibly in any language!

Lambda the ultimate Pattern Factory: FP, Haskell, Typeclassopedia vs Software Design Patterns

Functional patterns for Java

Useful, common monads in idiomatic Ruby

十分钟魔法练习

An axiom-free formalization of category theory in Coq for personal study and practical work

Specification for common algebraic structures in JavaScript based on Fantasy Land