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: 2026-04-04 00:07:52 UTC
JSON Representation

https://github.com/ibrahimcesar/category-theory-for-the-javascript-typescript-developers

🔢 Category Theory for JavaScript/TypeScript developers. An embedded DSL making functors, monads, and adjunctions explicit and manipulable.

adjunctions category-theory category-theory-for-programmers composition dsl educational fp-ts functional-programming functor javascript monad typescript

Last synced: 30 Jan 2026

https://github.com/affancoder/music_player

Spotify Previous Version | It's fully functional & responsive web design

beautiful-ui front-end-development functional-programming gradient gsap-animation gsap-scrolltrigger html-css-javascript javascript music-player responsive-web-design software-engineering songs spotify spotify-clone web-development

Last synced: 23 Mar 2025

https://github.com/loipesmas/vesmor

a fantasy video game console with vector graphics and a declarative statically typed functional programming language

declarative-programming fantasy-console functional-programming gamedev programming-language rust svelte vector-graphics wasm web webassembly

Last synced: 08 Apr 2025

https://github.com/imrafaelmerino/java-fun

java-fun simplifies Property-Based Testing in Java by providing powerful and composable Pseudo Random Generators. These generators enable the creation of diverse test cases effortlessly, making testing more effective and intuitive for developers.

functional-programming generator java jmeter property-based-testing

Last synced: 30 Jan 2026

https://github.com/deepcloudlabs/dcl113-2020-jun-04

DCL-113: Functional Programming in C++17

cpp11 cpp14 cpp17 cpp20 functional-programming lambda-expressions stl stl-containers

Last synced: 20 Nov 2025

https://github.com/boddepallyvenkatesh06/qtify

QTify is an music album website which consists of variety of albums, songs which user can browse.

accordion-flexbox conditional-rendering css3 functional-programming hooks material-ui reactjs swipperjs toaster

Last synced: 11 Oct 2025

https://github.com/laurabeatris/fp-ts-learning

Learning resources related to funcional programming with TypeScript

fp-ts functional-programming typescript

Last synced: 07 Apr 2025

https://github.com/ajitjha393/js-transducers

The Functional transducers that allow transformations with improved performance

compose functional-programming transducers

Last synced: 01 Sep 2025

https://github.com/hyperpolymath/casket-ssg

Pure functional static site generator in Haskell. Strong type guarantees ensure your site builds correctly.

content-tools functional-programming haskell hyperpolymath poly-ssg publishing ssg static-site static-site-generator templates themes websites websites-and-cms

Last synced: 13 Jan 2026

https://github.com/jezek/funson

another approach to functional json for fun

experimental functional-programming golang json programming-language

Last synced: 23 Feb 2026

https://github.com/pranavgupta1234/rxjava

RX Java is the example of how functional reactive programming can ease out the work and implement the concept of observables and observeres.This uses rxjava 1.x and rxandroid 1.x dependencies

android functional-programming java observables reactive-programming rxandroid rxjava

Last synced: 05 Oct 2025

https://github.com/stijnmoreels/fsharp.akkling.actorr

Extra Actor functionality on top of the existing Akkling repository to create an Actor pipeline with ease.

actor-pipeline actors akkling fsharp functional-programming pipeline reactive reactive-programming

Last synced: 15 Mar 2025

https://github.com/elm-athlete/elm-function

Function helpers for elm!

elm function functional-programming

Last synced: 11 Dec 2025

https://github.com/alexandr-g/knowledge

https://alexgrischuk.gitbook.io/wiki/

algorithms coding data-structures flow functional-programming git js knowledge node npm react tmux vim wiki yarn

Last synced: 14 Feb 2026

https://github.com/fernandoareias/web-server-erl

Web server implemented with erlang and staged event-driven architecture

eda erlang event-driven-architecture functional-programming seda staged-event-driven-architecture webserver

Last synced: 25 Feb 2026

https://github.com/peruibeloko/aoc2023

My solutions for the Advent of Code 2023 using Elixir.

advent-of-code advent-of-code-2023 adventofcode elixir functional-programming

Last synced: 27 Nov 2025

https://github.com/pujitm/fun-ov

Flexible functional object validation for API's & highly customized software

functional-programming javascript typescript validation

Last synced: 15 Mar 2025

https://github.com/bardoor/then

Simple way to set after-function callback

aspect-oriented-programming elixir functional-programming

Last synced: 06 Oct 2025

https://github.com/reussir-lang/reussir-playground

A programming language with region-based memory management

functional-programming llvm memory-management mlir

Last synced: 25 Feb 2026

https://github.com/dangvanthanh/elm-practice

Practice Elm

elm functional-programming

Last synced: 04 Mar 2025

https://github.com/rajput-hemant/functional-programming-with-java

functional-programming java

Last synced: 02 Dec 2025

https://github.com/muddassir235/tilawa

An Android Library, written in Kotlin, for streaming tilawa of the Qur'an from the web. Currently mp3quran.net is supported

android android-library functional functional-programming kotlin kotlin-library quran tilawa

Last synced: 01 Feb 2026

https://github.com/jaandrle/deka-dom-el

A library expanding the capabilities of the native DOM API with the aim of offering the possibility of writing reactive UI templates/components declaratively directly in JavaScript.

client-side-rendering declarative declarative-programming declarative-ui dom functional-programming javascript reactive reactive-programming rendering server-side-rendering signals signals-library typescript ui ui-components vanilla-javascript vanilla-js webcomponents

Last synced: 27 Jul 2025

https://github.com/rezzecup/monassey

monassey is a TypeScript toolkit designed to enhance application robustness with functional programming. It values type safety, composability, and efficiency in async patterns, and streamlines code for clarity and reliability.

functional-programming typescript

Last synced: 31 Jul 2025

https://github.com/zhentian-wan/fp-crocks-demo

Learning Functional Programming library Crocks, Maybe type and more

crocks functional-programming javascript

Last synced: 27 Feb 2025

https://github.com/laurabeatris/list-length-recursion

Elixir algorithm exercise to practice recursion using tail call optimization

algorithms-and-data-structures elixir functional-programming recursion

Last synced: 07 Apr 2025

https://github.com/damiancipolat/documenting_js_functions

This repository was created to show anothers JS developers a way of how to document javascript functions at the moment to start coding.

amazon functional-programming functional-programming-examples js node

Last synced: 11 Oct 2025

https://github.com/coderaiser/currify

translate the evaluation of a function that takes multiple arguments into evaluating a sequence of functions, each with a single or more arguments

curry functional functional-programming

Last synced: 21 Feb 2026

https://github.com/muhammadhassanraza25/todo-app-firebase

A dynamic Todo App built with HTML, CSS, and JavaScript, integrated with Firebase for real-time data management. Features include seamless editing and deleting of tasks for efficient list management.

creative-coding css3 firebase functional-programming html5 javascript todoapp

Last synced: 26 Feb 2026

https://github.com/yurrriq/tdd-with-idris

:book: Working through Type-Driven Development with Idris

dependent-types functional-programming idris learning theorem-proving type-driven-development

Last synced: 08 Feb 2026

https://github.com/manojpawar94/spring-boot-reactive-restapi-mongodb-webflux

Spring boot reactive (Non-blocking) programming using Spring boot Webflux and Spring boot Reactive MongoDB.

functional-programming java8 mongodb reactive reactive-programming restapi restful-api spring-boot webflux

Last synced: 13 Oct 2025

https://github.com/polytypic/sml-optics

Proof of concept optics library for Standard ML

functional-programming isomorphisms lenses optics prisms standard-ml traversals

Last synced: 01 Mar 2026

https://github.com/jeffgbutler/practical-functional-kotlin

Practical Functional Kotlin Workshop Materials

functional-programming kotlin

Last synced: 06 Oct 2025

https://github.com/atticuskuhn/functiona_typescript_lib

functional-programming haskell typescript

Last synced: 07 Oct 2025

https://github.com/jaalonso/jaalonso.github.io

Índice de repositorios.

coq functional-programming haskell isabelle lean logic-programming prolog proof-assistant

Last synced: 23 Oct 2025

https://github.com/alcestide/lisperatu

Snippets of code written in Lisp.

algorithms clisp clojure coding common common-lisp encryption-decryption exercism exercism-solutions functional-programming learning lisp practice programming scripts snippets

Last synced: 23 Mar 2025

https://github.com/functional-things/functional-things

A TypeScript library to help with functional programming.

fp function-composition functional-data-structure functional-optics functional-programming ts types typescript

Last synced: 12 Oct 2025

https://github.com/bkrmendy/adventofcode-2023

Advent of Code 2023

advent-of-code advent-of-code-2023 functional-programming haskell impurity monads purity

Last synced: 12 Apr 2025

https://github.com/gillchristian/fp-for-the-people-v2

functional-programming javascript slides

Last synced: 09 Feb 2026

https://github.com/qualityshepherd/splog

A simple, single page, blog written in functional, vanilla js that supports markdown, rss, podcasts and deploys to github pages (github.io).

ava blog e2e functional-programming github-pages markdown marked pagination puppeteer rss search spa testing unit-test vanilla-js

Last synced: 22 Nov 2025

https://github.com/joaopaulomoraes/joaopaulomoraes

Who am I

accessibility clean-architecture design domain-driven-design elixir erlang functional-programming hexagonal-architecture nextjs product reactjs regex ui ux web3

Last synced: 27 Oct 2025

https://github.com/culturehq/react-state-mutations

Modify component state without race conditions.

functional-programming react

Last synced: 03 Jul 2025

https://github.com/totallymoney/dynamodb.ok

Functional wrapper around AWS DynamoDB client in F#

aws aws-dynamodb dynamodb fsharp functional functional-programming result-type

Last synced: 21 Feb 2026

https://github.com/kemsky/stream

ActionScript collection library with modern functionality

actionscript adobe-air adobe-flash adobe-flex collections functional-programming

Last synced: 05 Feb 2026

https://github.com/narimiran/adventofcode2019

My OCaml solutions for Advent of Code 2019

advent advent-of-code advent-of-code-2019 adventofcode adventofcode2019 functional functional-programming ocaml

Last synced: 10 Feb 2026

https://github.com/imrafaelmerino/vertx-effect

Vertx-effect brings functional effects to the Vert.x ecosystem and is inspired by Erlang’s actor model. Its manifesto emphasizes principles such as maximizing the use of verticles for scalability, maintaining single responsibility for each verticle, and prioritizing simplicity to enhance reliability and ease debugging.

erlang functional-programming java json-values persistent-data-structure vertx vertx-values vertx3

Last synced: 27 Feb 2026

https://github.com/isaac-defrain/todo

Todo list application built to explore different features of the OCaml language

functional-programming functors modules ocaml

Last synced: 02 Apr 2025

https://github.com/erthium/boids

Simulation of Boid artificial life program

agent-based-simulation boids boids-behaviour boids-simulation cpp cpp11 flocking flocking-agents flocking-simulation functional-programming makefile sdl sdl2 sdl2-image simulation

Last synced: 11 Feb 2026

https://github.com/hablapps/geofences

A proof-of-concept application to show the principles of purely functional programming

cats doobie functional-programming http4s scala scalaz typeclasses

Last synced: 30 Jun 2025

https://github.com/techquery/functional-bowling

Functional algorithm of Bowling scoring written in JavaScript with TDD model

algorithm bowling-score functional-programming javascript test-driven-development

Last synced: 06 Jan 2026

https://github.com/ghurtchu/blabbermouth

live support chat server (currently in dev)

chat concurrency fs2 functional-programming http http4s play-json queue redis redis-pubsub scala streams websockets

Last synced: 07 Oct 2025

https://github.com/pertsevds/predicate_dispatch

Predicative dispatch decorator for Python, based on idea from book "Functional Programming in Python"

dispatch functional-programming python

Last synced: 11 Feb 2026

https://github.com/ibnaleem/haskell-simplified

The open curriculum for learning functional programming in Haskell

functional-programming haskell haskell-book haskell-exercises haskell-language haskell-learning haskell-tutorial learnyouahaskell theodinproject

Last synced: 02 Apr 2025

https://github.com/askewcow/haskell-by-doing

A hands-on journey to learning Haskell by building projects, exercises, and notes. Perfect for people from all backgrounds!

best-way-to-learn-haskell coding-exercises fp functional-paradigm functional-programming functional-programming-exercises haskell haskell-beginner haskell-course haskell-course-github haskell-exercises haskell-fundamentals haskell-learning haskell-projects-github haskell-tutorial learn-functional-programming learn-haskell programming-exercises

Last synced: 07 Mar 2026

https://github.com/backwards-limited/scala-backwards

Scala by Backwards

category-theory cats fs2 functional-programming scala

Last synced: 11 Jan 2026

https://github.com/goblinfactory/appendonly

High speed C# immutable append only list.

csharp dotnet functional functional-programming goblinfactory-opensource high-performance immutable nuget-package

Last synced: 16 Jun 2025

https://github.com/fizzyelt/discord-message-record-bot-ts

record discord text channel messages bot

discord-bot discord-js fp-ts functional-programming ramda typescript

Last synced: 24 Jul 2025

https://github.com/softinio/duck4s

Scala 3 wrapper library for DuckDB

database duckdb functional-programming jvm millbuild munit scala

Last synced: 28 Oct 2025

https://github.com/mesteche/react_stream

sample demo app of react and async iterators

async-iterators functional-programming react stream

Last synced: 01 Feb 2026

https://github.com/alvaro-cuesta/lambda-musika

A JavaScript DAW that emphasizes functions as its core building block. In practice, a realtime audio scripting language and batteries-included DSP library, running on the web.

audio daw functional-programming live-coding music

Last synced: 24 Jan 2026

https://github.com/theodesp/sicp-workbook

This is my workbook and exercise solutions for the legendary SICP Book

functional-programming lisp programming scheme sicp-book

Last synced: 20 Jan 2026

https://github.com/ucl-arc/functional-programming-for-rses

A functional programming course for research software engineers.

functional functional-programming research-software research-software-engineering teaching teaching-materials

Last synced: 18 Feb 2026

https://github.com/muhammadkashif20/calculator-project

I made This is Simple Calculator Project Using Languages Html , Css , JavaScript. With Fully Functionality With JavaScript & Using Eval Function.Styling For Css & Structure For Html. With Beautiful Ui

css functional-programming html javascript

Last synced: 11 Jan 2026

https://github.com/dlemel8/network_parser_combinator

POC of parsing network protocols using parser combinators pattern

dtls12 functional-programming network-protocols parser-combinator rust tdd tls12 tls13

Last synced: 23 Feb 2025

https://github.com/kaliv0/pyrio

Functional-style Streams API

file-processing fluent-api functional-programming python-functional streams-api

Last synced: 10 Apr 2025

https://github.com/thinkswan/js-functional-programming-examples

Notes from Jeremy Fairbank's "Functional Programming Basics in ES6" talk.

functional-programming javascript

Last synced: 22 Feb 2025

https://github.com/josephgoksu/reactive-microservices

This project epitome of reactive microservice architecture. Protocols, transports, unit/e2e tests and implementations are all in the same place.

functional-programming functional-reactive-programming microservice microservices microservices-architecture nestjs rxjs

Last synced: 03 Mar 2025

https://github.com/saketkothari/freecodecamp-javascript-algorithms-and-data-structures

freeCodeCamp JavaScript Algorithms and Data Structures Solutions

algorithms basic-data-structures debugging es6 functional-programming javascript object-oriented-programming regular-expression

Last synced: 21 Mar 2025

https://github.com/mquaresma/sokoban

Sokoban transport puzzle game written in Haskell

functional-programming game gloss haskell puzzle sokoban

Last synced: 11 Sep 2025

https://github.com/3mp3ri0r/cpyfunctional

cpyfunctional is python package to help you code python in functional programming paradigm

functional-programming library python python3

Last synced: 11 Sep 2025

https://github.com/benfaerber/json-parser-combinator

A JSON parser written in Typescript using the Parser Combinator methodology. I recommend that anyone who is interested in functional parsers should use this as a reference.

functional-programming functional-typescript json parser parser-combinator parsing

Last synced: 12 Mar 2025

https://github.com/lebrancconvas/typescript-playground

Playground for Practicing my Typescript Skill.

functional-programming javascript npm typescript yarn

Last synced: 19 Jul 2025

https://github.com/drapegnik/rsschool-fp

:zap: Functional Programming Course

church-encoding fp functional-programming haskell lambda-calculus rolling-scopes-school

Last synced: 05 Apr 2025

https://github.com/nhyne/zio-bazel

Playground for learning ZIO things

functional-programming scala zio

Last synced: 18 Jul 2025

https://github.com/jabez007/functionalcsharp

A library of static classes, extension methods, and classes that apply functional techniques to C#.

c-sharp csharp functional-programming lambda-calculus lambda-expressions lambda-functions terraformed

Last synced: 13 Apr 2025

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

Asyncio support for cyclotron

asyncio cyclotron functional-programming reactive-extensions reactive-programming reactivex rxpy

Last synced: 17 Jul 2025

https://github.com/angarsk8/es6-simple-curry

simple curry javascript function

currying es2015 functional-programming javascript

Last synced: 15 Jul 2025

https://github.com/roppa/funcker

Functional programming learning exercise

curry functional-programming javascript library notation

Last synced: 08 Apr 2025

https://github.com/joordy/ringring

A dashboard tool on behalf of Ring-ring organization. A dashboard tool for policy makers, which can see how traffic conditions can be improved. The tool consists of several visualizations formed from the Ring-Ring bicycle dataset.

chartjs cycling data-visualization data-visualization-project functional-programming mapbox rollup sapper svelte svelte-js svelte3

Last synced: 14 Jul 2025

https://github.com/tk3369/functionalpipes.jl

Functional pipe utility

functional-programming julia

Last synced: 09 Jul 2025

https://github.com/bcherny/promise-seq

lazy-execute promises in sequence

async functional-programming typescript

Last synced: 28 Mar 2025

https://github.com/tonivade/purecheck

Property based testing in Java

experimental functional-programming java property-based-testing unit-testing

Last synced: 23 Jun 2025

https://github.com/vishwajeet-29-pro/javadsa

Daily Practice on Java and Test Driven Development

cucumber design-principles documentation dsa-algorithm functional-programming java java-8 junit5 oops-in-java

Last synced: 27 Feb 2026

https://github.com/mrft/itr8

A library for transIterators: unified 'operators' for javascript iterators (synchronous AND asynchronous iterators) - https://mrft.github.io/itr8/

asynciterator communicating-sequential-processes csp functional-programming iterator javascript javascript-library transducers transiterator typescript typescript-library

Last synced: 02 Feb 2026

https://github.com/johndavedecano/kwerk

A co-working directory built with elixir language and phoenix framework

elixir elixir-phoenix elixir-programming-language functional-programming phoenix-framework test-driven-development

Last synced: 23 Jun 2025

https://github.com/peekandpoke/psi

Php Simple Iterations. Map, filter, aggregate, reduce with ease. Produce readable and reliable code without hand-written loops.

functional-programming immutability php

Last synced: 22 Jun 2025

https://github.com/hanzopgp/haskelltest

First time using functional programming language.

functional-programming haskell university

Last synced: 22 Jun 2025

https://github.com/articulate/squiss-jobs

SQS-backed job queue

aws-sqs functional-programming job-queue nodejs

Last synced: 13 Apr 2025

https://github.com/safwa1/sharpresults

A lightweight, zero-dependency C# library that implements the Result and Option types for more explicit and type-safe error handling. SharpResults helps you avoid exceptions for control flow and makes success/failure and presence/absence states explicit in your code.

csharp dotnet error-handling extension-methods fluent-api functional-programming library monads nuget optianal result-type sharpresults

Last synced: 15 Jun 2025

https://github.com/sandromaglione/sandromaglione

Coding since I was 12. Master in Computer Science and Engineering. Open-Source contributor and maintainer. Writing technical guides and tutorial articles.

dart engineering flutter functional-programming javascript mobile-development open-source react typescript web-development writer

Last synced: 12 Apr 2025

https://github.com/mtumilowicz/clojure-concurrency-stm-workshop

account-transaction atom clojure clojure-development clojure-repl clojure-repl-interaction clojure-tutorial concurrency concurrent-patterns concurrent-programming functional-programming functional-programming-examples sleeping-barber software-transactional-memory stm workshop

Last synced: 23 Feb 2025

https://github.com/yosefbeder/qatam

Qatam (قتام) is an Arabic scripting language.

arabic compiler functional-programming scripting-language virtual-machine

Last synced: 10 Sep 2025

https://github.com/bkuhlmann/functionable

Enhances modules to be functional by default.

composition functional-programming functions

Last synced: 12 Dec 2025

https://github.com/jajaperson/copb

A functional composition framework built for TypesScript that provides type safety without the need for the usual countless overloads, thanks to some functional type trickery.

composition currying functional-programming overloading pipes typescript