A simple functional programming library for PHP

A tiny package full of functional tools. Applicatives, Functor, Monads, and many more useful tools. Big focus on Effects, IO, Deferred, State, Reader, Writer monads.

Stricter drop in replacements for WriterT and RWST

Compatibility package for old transformers: Stricter drop in replacements for WriterT and RWST

Haskell monad transformers and some other helpful stuff

Rust library providing some functional programming idioms

Experimental implementation of Writer monad for C++

Simple Monad implementations for java 8

Flatmap Java is a java library to help Java developers explore new ways of error handling, dependency injection, and state changes with monads.

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