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: 2026-06-24 00:08:05 UTC
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https://github.com/clifftech123/ts_fun_practice

Collection of small and enjoyable functional programming exercises in TypeScrip

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https://github.com/alvarogarcia7/2048-kotlin

Practiced OOP+FP creating a clone of the 2048 game

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https://github.com/constantiner/sibylla

Asynchronous Promise based functional style utilities with full TypeScript support

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https://github.com/woutervanbakel/try

Try class for C++

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https://github.com/joebobmiles/joebobmiles

My user readme.

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https://github.com/rtorr/ts-fp

Typescript, eslint-plugin-fp, and vscode example

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https://github.com/kczulko/astar

A* algorithm

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Roslyn analyzer for prevention of copying certain data

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Advent of Code 2017

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Swift version of the original 13 ways of looking at a turtle in F# by Scott Wlaschin

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An Elixir SDK for the Gemini CLI — Build AI-powered applications with Google Gemini via a robust, idiomatic wrapper around the Gemini CLI. Features streaming, structured output, session management, model selection, and OTP supervision tree integration for production-grade Gemini-powered Elixir apps.

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React app to switch images on toggle, on mouse hover or touch and by scrolling the page, made to practice React Hooks.

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https://github.com/lechindianer/fp-talk

Intro talk on functional programming

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run deeper | multipath piping | command-line tool | Elixir + Mix, w/ POSIX shell

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Wang Tiles generator in Ocaml

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https://github.com/stuartdaniells/portfolio-website

React

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simple, lightweight, actor-based distributed blockchain

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TypeScript essentials for explicit error and absence handling - Option, Result, typed Exceptions and optional Callbacks the compiler actually enforces.

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Programming paradigms course material.

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https://github.com/ryanhill1/command-line-checkers

Checkers with AI.

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https://github.com/mihailtd/functional-programming-comparison-go-js-python

Code examples for the Functional Programming Face-Off video on the Let's Talk Dev YouTube channel, comparing functional programming in Python, JavaScript, and Go.

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https://github.com/critocrito/namefn

Set the name property of a function.

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https://github.com/justmegaara/functional-programming.course

This is a repository with an implementation of Conway's Game of Life. The game itself is implemented using several stacks in C#, F# and TypeScript. The purpose behind it is to have a small real-world example to show functional principles and features. Moreover, the repository is organized as 3 different projects an a small book/course in markdown to describe functional programming and reactive programming.

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https://github.com/maleksandar/pure-framework

Master Thesis work

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https://github.com/azuobs/naive-workflow-manager

Naive-workflow-manager microservice with akka-http and akka-actors

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https://github.com/fabiannorbertoescobar/lambdas-streams-java-ejercicios

Programación funcional en Java con Lambdas y Streams

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https://github.com/euler-b/firts_steps_with_elm

Repositorio destinado a ser la guia de inicio para entender este lenguaje

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https://github.com/mszarlinski/scalaz-learning

Welcome to an amazing world of functors and monads

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https://github.com/kubepay/java-cs-to-enterprise

This repository acts as standalone or upcoming book for educating interested Computer Science students to Data Structures, Algoritms, Design Pattersn on Java 8.

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https://github.com/sarthakmakhija/joy-of-kotlin

Repository containing solutions for problems in "Joy of Kotlin" book

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https://github.com/joaom00/js-funcional-reativo

Repositório para o curso JavaScript Funcional e Reativo - PENSE como um Dev JS da Cod3r

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https://github.com/blutorange/js-elbe

Utility for working with streams (iterables).

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https://github.com/darren277/lisp-music-gen

A very basic melody generation tool written in Lisp. There is also Postgres interactivity.

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https://github.com/mahi97/numex-lang

~ The pure functional Interpreter for NUMEX Language Based on Racket

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https://github.com/imdarshangk/functions

This repository contains various Python programs that demonstrate the use of functions with and without return values and arguments. The programs cover different mathematical operations and concepts.

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

Homework repo for functional programming

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https://github.com/denieler/angular-sequence-events

Sequential code and chained execution of events, handlers, etc.

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https://github.com/kathleenwest/advancedconsoleapplicationi

This is a very simple windows console application that I completed for a class assignment. It is shown here to illustrate my coding style, structure, and commenting. This example is considered Level 3 – Advanced. Objectives: Events Functional Programming Custom EventArgs IList<> Interface Indexer Delegates Anonymous Methods Event Handlers

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Turin Machine simulation to add one bit to a binary number

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https://github.com/paulpdaniels/streamish

A simple Functional Reactive Streaming library

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https://github.com/costineest/rpu

Reactive programming for UI (ReactJS mostly)

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https://github.com/micheld-dev/les-petits-plats

Site de recettes de cuisine - OC Projet 7

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https://github.com/corporatepiyush/clj

Clojure examples and tutorial

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https://github.com/edwyng/ldp-haskell-draft-beers

Programa diseñado con programación funcional que permita determinar cuántos litros de cerveza deben agregarse entre los barriles para servir exactamente n vasos de cerveza desde cualquiera de las salidas.

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https://github.com/r8vnhill/dibs

Curso sobre diseño e implementación de bibliotecas de software. Incluye sistemas de construcción, testing, OOP, genéricos, programación funcional y más, con Kotlin y Docusaurus.

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https://github.com/faylina/spellbound-treasures

First project utilizing JavaScript to create a shopping cart

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https://github.com/nkcoder/byronbay

Playground for functional programming with Scala

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https://github.com/amdjadouxx/pushswap-checker

A project to check your best pushswap instructions

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Refactoring Legacy Code using FP

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https://github.com/pfpack/pfpack-core-func

PrimeFuncPack Core.Func is a core library set for .NET consisting of functional interfaces (SAM interfaces) and the extensions targeted for use in functional programming. There are both asynchronous (Task and ValueTask based) and synchronous interfaces and the extensions in the set - IAsyncFunc/IAsyncValueFunc and IFunc.

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https://github.com/markehost/javascript-exercises

Coding exercises in JavaScript.

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https://github.com/vtramo/java-problems

Solutions for various types of medium-to-challenging level problems.

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https://github.com/sgon4arov/plato

🤖 Enhance coding with Plato, a CLI-compatible AI assistant that streamlines coding tasks while integrating seamlessly with GitHub Copilot.

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https://github.com/zlovtnik/frontend

A TypeScript/Bun/React frontend application for the Actix Web REST API backend with JWT authentication, multi-tenant support, and comprehensive functional programming patterns.

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Last synced: 13 Apr 2026

https://github.com/deepcloudlabs/dcl113-2023-aug-14

DCL-113: Functional Programming in C++20

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https://github.com/sftsrv/parz

A simple parser combinator library

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https://github.com/otbivnoe/haskell-time

Functional programming seems really interesting. Change your imperative mind and take over the world!

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https://github.com/paudirac/fsharp-introduction-slides

Introductory F# presentation for workmates (kind of trying to conquer the world)

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https://github.com/theosorus/syntacticanalyzer

Build a simple Syntactic Analyzer in Haskell to discover Functional programming

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https://github.com/rbaltrusch/stream.lua

A lazy iterator-chaining library for Lua similar to the Java Stream API

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https://github.com/arufonsekun/nukes

Repository to host clojure study codes

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https://github.com/kiwamizamurai/miso-numeron

A Bulls and Cows number guessing game built with Haskell and Miso framework, compiled to WebAssembly

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https://github.com/unosd/unofs

UnoFS is a purely functional semantic file system implemented in F#

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https://github.com/fblupi/grado_informatica-ntp

Prácticas de la asignatura Nuevas Tecnologías de la Programación de la UGR

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https://github.com/niuiic/fx-flow

A functional library for TypeScript/JavaScript.

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https://github.com/moonfloof/CMP6090

Functional Programming - University Coursework/Homework

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https://github.com/krishnalagad/learn-cpp-with-me

Repository contains C Programs, C++ Programs from difficulty level beginning to advanced. It also contains Modern C++ version 11, 14 and 17 programs.

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Funkcionální a logické programování - Cvičení

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Lambda Calculus implementations in 20+ programming languages: functional, imperative, and logic paradigms

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https://github.com/danyst/iosfunctionaltable

Keepcoding Master Mobile Engineering Bootcamp - iOS Advanced - Functional programming exercise

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https://github.com/filipondios/something

something functional

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https://github.com/luizcalaca/ts-node-joi-api

Typescript API with Joi validations, Express.js and MySQL. The project has the main branch to show the solutions with functions and the change-oop-api-ts to show with Object oriented programming.

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https://github.com/mdjnewman/have-you-heard

Short talk (pecha kucha style) on functional programming

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https://github.com/sae0-3/umss

Ingenieria en Informatica - UMSS

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