Functional programming

In computer science, functional programming is a programming paradigm where programs are constructed by applying and composing functions. It is a declarative programming paradigm in which function definitions are trees of expressions that map values to other values, rather than a sequence of imperative statements which update the running state of the program.

GitHub: https://github.com/topics/functional-programming
Wikipedia: https://en.wikipedia.org/wiki/Functional_programming
Related Topics: oop, declarative-programming, procedural-programming, event-driven-programming,
Last updated: 2026-06-29 00:11:58 UTC
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https://github.com/neshkeev/avaj

Haskell influenced Category Theory patterns implemented in Java

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https://github.com/seb-bizeul/fp-flow

Collection of algebraic data types to use with Flow

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https://github.com/fresult/task-mgmt

My Reactive Programming learning using Spring Boot Webflux, and Kotlin.

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https://github.com/mahmoudhanafy/scala-specialization

my solutions to assignments

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https://github.com/firaja/identicon

Elixir implementation of Identicon

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https://github.com/ashwinvis/experiments-with-haskell

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QiCore v4.0 Foundation - Mathematical foundation types and core modules for modern applications

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C# implementation of the result and other monads with query syntax support and extensions for Tasks and IEnumerable

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Multi-purpose Python library

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https://github.com/savaged/funinjection

Some fun with function injection in C#

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Sequence pipelines in C++. A functional programming-inspired approach to processing data with map, filter, reduce, and more.

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https://github.com/rxtoolkit/sgd

📊 RxJS implementation of stochastic gradient descent (SGD) (classifier).

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c++ game engine, made with love

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[O]Caml compiler

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Assignments and code written for course COL226 (Programming Languages) of IIT Delhi.

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Some algorithm features in addition to LINQ.

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Coding exercise: The martian robots/ rovers problem in Java with a functional twist..

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https://github.com/tripolskypetr/functools-kit

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https://github.com/slowli/curry-chain

Chainable function currying

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https://github.com/kdungs/go-result

Result types for Go; because (T, error) can be considered a ✨ monad ✨.

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https://github.com/swissmanu/react-rxjs-typescript

An experiment to implement a React user interface using TypeScript that leverages RxJS.

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https://github.com/arindas/lazy-prime-sieve

Lazy Sieve of Eratosthenes for infinitely generating primes lazily in Rust.

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Contravariant functors in JavaScript + Flow with correct type inference

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https://github.com/kshirish/reactivexio

Learning functional programming concepts from `http://reactivex.io/learnrx/`

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https://github.com/gvoz-dev/fprog

Functional programming

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https://github.com/namoshizun/goodjson

Functional validators to check anything about your JSON with ease.

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https://github.com/gustavodiasag/simpler

Interpreter for a functional, expression-based programming language

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A pure functional Scala client for Openstack Keystone implemented using Http4s client.

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Functional utility library for Enonic XP

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My advent of code 2023 solutions

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A turtle, what else?

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https://github.com/federicobruzzone/setup-ocaml-project-with-dune

This repository provides a basic setup for an OCaml project with using Dune as the build system. It aims to provide a simple and straightforward structure for your OCaml project, allowing you to focus on writing code without the complexities of a build system.

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https://github.com/alizabatool4268/personal-library-manager-cli

__This is a command line based library management system. Built using higher versions of python

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https://github.com/mstniy/computed.dart

A performant and flexible reactive programming framework for Dart

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my golang package funcs

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A simple card game to learn Elixir programming language 🃏

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A simple Julia library to boost your functional code

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:mag_right: My experiments

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https://github.com/tosun-si/bees-demo-fp

This project shows some legacy code and patterns and a refactoring for each of them with Functional Programming, lambda and functions composition

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https://github.com/atomicptr/php-functional

A set of tools to enable a more functional style of programming in PHP, inspired by OCaml

functional-programming php php-library

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https://github.com/alonsodomin/purerand

Pure functional random generator of data

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https://github.com/rudini/node_ports_adapters

Ports and adapter implementation of a restaurant reservation

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🚰 RxJS operators for working with Socket.io (v4 or lower) servers

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https://github.com/tomsquest/mediathequeroubaix.py

Python CLI for the library of Roubaix (Médiathèque Roubaix)

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https://github.com/customcommander/functionaut

General purpose library for the functional programming hobbyist.

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https://github.com/mehmet-github06/find-country

An application where you can find the country information you want

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https://github.com/palutz/functionalscala_coursera

Functional programming in Scala Certification path (EPFL)

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https://github.com/mollybeach/apetalie

Apetalie Javscript Web3 Application Function Methods Solidity

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https://github.com/bendomey/thinktank

Video/Audio Server

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https://github.com/baransu/sugar

Experimental, fuctional language for creating webapps

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https://github.com/didierofrivia/flipcards

Simple memory cards game written in Elm

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https://github.com/alansastre/java-functional-method-reference

Programación funcional y métodos referenciados en Java

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https://github.com/anvell/either

Lightweight Either monad implementation

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https://github.com/morganconrad/fobu

YA functional utilities for JavaScript Objects, mimicking ES6 Array methods.

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https://github.com/joelburget/planetary

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https://github.com/balazshevesi/yatzy

🎲 A yatzy game for the course "Introduction to programming" at LNU

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https://github.com/kerelape/monadic-objects

Collection of functions to modify objects

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https://github.com/akinozgen/alternatives

Some alternative implementations for common interfaces, classes etc.

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https://github.com/ajitjha393/sthalit

A library that mimics the concept of lazy evaluation, a feature found in functional programming languages like Haskell.

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https://github.com/tylrpopcorn/the-grid-functional-based-

A simple grid application built using functional based react.js components

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https://github.com/wahyukmr/javascript-programming

Repository ini adalah sumber daya yang lengkap dan mendalam untuk mempelajari JavaScript dari tingkat pemula hingga tingkat lanjutan. Panduan yang mencakup semua aspek fundamental JavaScript serta konsep yang lebih kompleks.

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Coursework of the Udacity Intermediate JavaScript Nanodegree

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Implementing a compiler for the fuctional programming language fasto in Haskell

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Share notes web app.

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A minimal functional programming library for JavaScript.

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https://github.com/ist-dsi/scala-nova-client

A pure functional Scala client for Openstack Nova implemented using Http4s client.

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https://github.com/zerotohero-dev/delgado

Delgado is your functional handyman.

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https://github.com/xiel/outer-hooks

Powerful and composable hooks that work in Node & Browser.

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https://github.com/dhruvjawalkar/ocpjavase17dev

Reference code files used during practice for newer features in Java SE 17, Lambdas, Functional Programming, Streams, Concurrency, Sealed Classes, LocalDateTime methods, Records ...

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