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: 2026-04-02 00:07:52 UTC
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https://github.com/agmoss/tsfc

Training material on function composition

functional-programming

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https://github.com/snowy1803/suffix-lang

A type-safe functional programming language using Reverse Polish Notation

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https://github.com/armcn/fp

Almost Practical Functional Programming in R

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https://github.com/aartaka/lamber

A functional scripting language compiling to pure Lambda Calculus

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https://github.com/therealklanni/key-mapper

Tiny utility for deeply mapping object keys

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https://github.com/dgame/php-iterator

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Jio is a powerful Java library designed to simplify and enhance input/output operations by leveraging the power of expressions and functions

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https://github.com/aganglada/reswitcher

🍭 Functional switch case for redux reducers

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https://github.com/thaliaarchi/xmlang

A functional programming language with XML syntax

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https://github.com/rabestro/grokking-fp-exercises

Solutions to exercises from the book Grokking Functional Programming. This repository showcases my journey of learning functional programming concepts and applying them in practice, with a focus on Scala.

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QR generator working with API. It is a practice to improve my skills in JavaScript

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For shorter url, you can use this application. For fast and easy results...

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A combined .Net7 state management framework.

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Exámenes de programación funcional con Haskell. Vol. 6 (Curso 2014-15)

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Doing some Functional Programming with Scala

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A basic functional programming language that focuses on basic mathematical functions.

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Very basic concrete optics in typescript

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LLVM Compiler for Hazel, a Functional paradigm declartive programming langauge

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Microlibrary for validation

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Go library with functional programming utilities (WIP)

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https://github.com/flofriday/ffp

Our solution for the advanced functional programming lecture.

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https://github.com/davidraab/functionalpatterns

OO Design Patterns in F#

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Offline web application to keep track of household food stock. Demo project for fp-svelte

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A text decoder written in Haskell

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https://github.com/apiad/purely

Lightweight functional primitives for cleaner Python

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Apetalie Javscript Web3 Application Function Methods Solidity

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https://github.com/sidmishraw/fjava

FJava, Java for functional programming

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https://github.com/modemobpsycho/python-course-s2

Solutions for the course. The topic of the course is "Python Generation course: a course for advanced". The topics covered in the course are listed in the repository topics.

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Playing with functional in Kotlin

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Newer is a haskell cli app to list and search for news using the currents api

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Premortem for your app's config—finds all the ways it would die before it ever runs.

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A zero-cost, effect-based state machine library for Rust.

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🚰 RxJS operators for handling CSV data streams

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🗒️ RxJS utilities for backend logging

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Implementing a compiler for the fuctional programming language fasto in Haskell

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My personal blog

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https://github.com/lulu-berlin/seq.ts

A typescript wrapper for Iterable<T> providing functional programming functionality similar to ReadonlyArray<T>

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https://github.com/mohamad-shosha/function-programming

Created a project showcasing lambda expressions and method references in functional programming, with a focus on unit testing for code reliability.

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https://github.com/gummif/endocpp

Modern C++ functional programming concepts library

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A GitFinder application to search GitHub users and view their repositories, followers, and more.

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从 java 开始，讲一讲函数式编程和计算机语言特性

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https://github.com/jakubgrobelny/databases-project

final project for databases course

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Simple memory cards game written in Elm

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https://github.com/khc-zhihao/packhouse

Packhouse is a function wrapper based on the concept of functional programming

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https://github.com/julientoucoula17/big_data-training_with_scala

Training Scala 💥💥

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https://github.com/patrixr/capacitor.js

Functional utility method: a capacitor concept

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https://github.com/vgalvoso/phunctional-php

A functional programming PHP framework.

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https://github.com/ladroid/mathelogos

The Mathelogos library is designed to introduce functional programming constructs to Rust.

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https://github.com/okyungjin/functional-programming

함수형 프로그래밍 연습

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https://github.com/leejss/funtional-ts

It's a functional programming playground.

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https://github.com/etacassiopeia/datachefanalytics

ZIO, One Monad to rule them all !!!

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https://github.com/matbesancon/pagerank

A functional, parallel PageRank implementation in Scala

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https://github.com/wurstbroteater/papso

Parallel Asynchronous Particle Swarm Optimization in Clojure

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https://github.com/sergiors/pyf

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https://github.com/el3um4s/match

Alternative to JavaScript’s switch statement with a functional twist

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https://github.com/gribouille/json-auth-server

JSON Web token server with GraphQL API

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https://github.com/rcardin/fp-scala

My solutions to exercises of "Functional Programming in Scala".

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https://github.com/rsachdeva/drsearch

Simple command 'drsearch'' to search for pattern in a file - using 'Generic' vs 'Trait Objects' Style Trait Oriented Implementations

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https://github.com/marcloupias/js-playground

Playground to learn javascript

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https://github.com/fitter0happier/lambda_parser

Lambda Calculus parser

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https://github.com/unosd/resultmonad

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

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https://github.com/arc-hugo/debt_calculator

Implementation project of an algorithm computing the max-flow of a flow graph and apply it in a debt calculator app.

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https://github.com/edysegura/js-functional

Functional JavaScript programming examples

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https://github.com/abdulaziz-hassan/cpu-cache-system_haskell

A successful implementation of a simplified CPU cache system in Haskell and takes advantage of the Functional Programming Paradigm

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https://github.com/marcelo-gomj/note-share

Share notes web app.

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https://github.com/rousan/tulip

A Golang utility library of many commonly used functions

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https://github.com/roxtra1/tic-tac-toe

Игра "Крестики-нолики"

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https://github.com/retheviper/gotlin

Some Kotlin-like functions.

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https://github.com/albertllousas/gym-class-booking-microservice

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https://github.com/axect/fp-lecture

2018 Functional Programming Lecture in Yonsei Univ

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https://github.com/federicobruzzone/software-foundations

Solutions (in Coq) of the exercises in the software foundation books.

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https://github.com/chicio/katas

💪🏋️‍♂️ A collection of katas I did to hone my programming skills. 🏋️‍♂️💪

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https://github.com/doeixd/make-with

Functional utilities for elegant function composition and state management in TypeScript

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https://github.com/mrbr/pipelinejs

Write an application by writing its topology.

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https://github.com/jaypmorgan/dfp

A suite of functional tools for all your functional programming

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https://github.com/cyppan/purely-functional-data-structures

Companion Clojure code for the Purely Functional Data Structures books

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https://github.com/ernyoke/snake-js

Terminal based snake written in functional style.

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https://github.com/pzuehlke/hutton

Contains solutions to all of the exercises in and some scripts related to the book: Hutton, G. — Programming in Haskell (2nd ed.)

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https://github.com/mainro/cyclotron-std

Python standard library drivers and components for Cyclotron

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https://github.com/gardncl/functional_programming_javascript

All the exercises from http://reactivex.io/learnrx/

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https://github.com/enpassant/jadobec

JDBC wrapper for very simple database handling.

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https://github.com/svozza/functionalish-refactor

A non-trivial asynchronous code example that interacts with multiple AWS services implemented in imperative, promise-based and purely functional style.

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