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: 2026-06-26 00:08:19 UTC
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https://github.com/chrisbenincasa/pure-redis

Pure functional Redis protocol implementation using Cats

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https://github.com/tristanpenman/haskell-exercises

Stuff I've worked through while learning Haskell

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https://github.com/erthium/primes-and-others

General tests with prime numbers

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https://github.com/david-lapadula/javascript-essentials

Fundamentals of JavaScript

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https://github.com/artificial-sapience/clearflow

Correctness-first orchestration for emergent AI. Type-safe, deeply immutable, 100% code coverage.

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https://github.com/khaledashrafh/petpal-simulation

The PetPal Simulation is a console-based application that simulates the experience of adopting and taking care of a pet. Users can adopt a pet, feed it, play with it, and check its status. The game tracks the pet's hunger and happiness levels, and it ends if these levels drop to critical values.

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Chaotic two-dimensional Turing machine

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https://github.com/offensiveedge/urls-le

Zero Hassle URL Extraction & Validation - Extract, validate, and analyze URLs from logs, configs, code, and documentation. Features accessibility checking, link validation, pattern analysis, and comprehensive reporting.

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Ergonomic Promise.all

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Presentation for R Day Colombia 2023

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A wee functional library intended half for entertainment, half for personal edification.

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

Functional programming @ EPFL

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https://github.com/mx1700/kotlinfunctional

Kotlin 函数式编程学习

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A roguelike solitaire card game built with Elm, showcasing Cursor AI's capabilities in functional programming projects

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A persistent single-linked list for Rust

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https://github.com/sacoo7/objective-c-exercises

Exercises to DEEP learn objective C

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unix wc clone

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https://github.com/s3b4s/html-monparser

An HTML parser implemented using the monadic parser monpar.

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https://github.com/vitoralvesp/check-verificator

Repositório dedicado ao Projeto "Está em Xeque?", da disciplina Paradigmas de Linguagens de Programação, para o estudo de Paradigmas Funcionais utilizando Haskell.

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https://github.com/oezg/minesweeper-kt

Minesweeper game

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A session manager, ttrpg character builder, and dice roller built with Elm and Lamdera

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Repository Modul Dasar Pemrograman JavaScript MSIB Batch 6 Dicoding Academy

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https://github.com/deeagirl1/fp-exercises

Functional programming assignments done in Elm

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https://github.com/austinrwarner/monadic

Functional programming in Python using Monadic types

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https://github.com/bartstc/looper-js-library

Simple and very modest library written based on functional programming inspired Underscore.js library

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https://github.com/deepcloudlabs/javascript-programming-essentials

Javascript Programming Essentials

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A React-Vite Project of HyggeX platform

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https://github.com/slemus9/corelang-hs

Code and exercises of the book Implementing Functional Languages: a tutorial by S.P. Jones and D. Lester

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https://github.com/keidrun/fantasy-utils

Small utils for Functional Programming with Promise.

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https://github.com/ajitjha393/fp-magic-lens

Dynamically Generate `setter` from the `getter` for lenses

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https://github.com/mdh266/poissondistributioninscala

Sampling From Poisson Distribution With A Functional Approach

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https://github.com/mp81ss/apply

apply function implementation for C language

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Tic-Tac-Toe in Elm

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A repository with details of the different Javascript concepts learnt in Meta's Javascript course on Coursera

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Converts strings to the NATO alphabet (Haskell)

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https://github.com/bharatlal124/alarm_clock_project

This is a simple Project on Alarm Clock : )

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https://github.com/shahaf-f-s/multithreading

A python module for creating multithreading processes easily, in a more Pythonic way.

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https://github.com/mrseanbaines/fun-fun-function

Notes and code snippets from Fun Fun Function videos

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A Haskell board game where the goal is to flip all black pegs to white, demonstrating recursion and immutability.

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Example of REST APIs service using http4s library

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https://github.com/rcardin/functional-error-handling-in-kotlin

Day by day examples of how we can handle error in Kotlin using functional programming

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https://github.com/mohamed-taha-essa/programming-in-python-week3

Learn about the paradigms of procedural programming and the associated logical concepts. You'll explore functional and object-oriented programming, and get an introduction to algorithms

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https://github.com/jaalonso/cursos_de_pf_con_scala

Recopilación de cursos de programación funcional con Scala.

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https://github.com/sandromaglione/nextjs-tennis-game

A simple application that aims to explain visually how a typical set of Tennis works. Enjoy!

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

Complimentary materials for the "Functional programming" course of Computer science 2022 - 2023.

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Игра "Морской бой"

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

This repository hosts the "Goodies To Go (G2G)" project, an F#-based online ordering system for a canteen, demonstrating domain modeling and basic functionalities.

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Second degree polynomial solver.

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https://github.com/shakadak/leekwars-functional

list and array functions respectively implemented and reimplemented for currying and performance.

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https://github.com/alexandrugg/fp-scala-specialization

Projects completed for the Functional Programming in Scala Specialization

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https://github.com/aloussase/webcam

My personal webcam 😜💦

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Practice of Js. Use loop,alert, array,slice etc

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Flat File parsing with FParsec

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https://github.com/tttardigrado/hsderiv

Haskell implementation of Brzozowski derivatives for regular expressions.

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https://github.com/domai-tb/functional-programming-ss24

Exercise solution for the course "Functional Programming" af summer semester 2024

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https://github.com/bertrand31/cagire

🔍 An experimental search engine supporting real-time partial-match plaintext search

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Programação funcional usando Elixir

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https://github.com/heracliteanflux/exercises-scheme

Exercises in the Scheme programming language.

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🐫 Code OCaml du projet de Programmation Fonctionnelle de L2S4

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https://github.com/marcodpt/wand

A tiny JS router that makes no assumptions about its usage.

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https://github.com/skippia/twin-scanner-cli

Find duplicate files in multiple folder(s) scanning .txt or/and .torrent files and depending on the selected mode (readonly: true | false) get information about duplicated files /+ extract them into new folders

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The Hutton cipher implemented in TypeScript.

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https://github.com/ksk001100/fpsm

Functional Programming Support Modules

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https://github.com/packquickly/little_lambda

Function composition, the un-Pythonic way!

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Purely functional implementation of SGD on feed-forward neural nets

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A learning-friendly functional library with a focus on clear source-code and readable function signatures.

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Haskell related learnings and code

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Programa Discover da Rocketseat

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Iterative functions for functional programming in Go.

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