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: 2026-06-25 00:08:15 UTC
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https://github.com/wlgs/functional-programming-course

Functional Programming Course 2021/22 at AGH UST. The language used was Haskell.

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Last synced: 10 Jun 2025

https://github.com/johnnynotsolucky/fu

Ramda, but shitty and without the docs.

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https://github.com/daggerok/functional-and-reactive-principles-in-scala

Never too late! My learning process for 'Functional Programming Principles in Scala' and 'Principles of Reactive Programming in Scala' courses!

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https://github.com/maccauhuru/modern-js-sandbox-code

Code i am writing for the modern JS from beginning course

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https://github.com/denisdubochevalier/lambdac

WIP: Untyped lambda calculus compiler

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https://github.com/denisdubochevalier/monad

Implementation of monads in go with generics

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https://github.com/deepcloudlabs/dcl235-2020-may-11

DCL-235: Effective Java Programming

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https://github.com/iampeterbanjo/alchemy

Elixir/Phoenix portfolio apps

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https://github.com/dirkbosman/func_with_scala

Func / Functions / Fun with Scala :)

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🪐 A personal bio for GitHub

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Minimalistic functional Sokoban (console, no mutable vars). Initially vibe coded with ChatGPT 5. Brought to working condition by Human Being 45.

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https://github.com/qbarrand/ensiie-iprf-quadtree

An academic project about collision detection to learn the quadtree data structure and functional programming

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https://github.com/tolikpylypchuk/fsbowling

A library which calculates a bowling score, written in F#

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Meus estudos da Linguagem Elixir

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A minimalist Redis re-implementation in Elm, bringing the power of functional programming to Redis interactions.

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https://github.com/asarkar/udemy-complete-haskell

https://www.udemy.com/course/the-complete-haskell-course-from-zero-to-expert

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An example of currying and partial application

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Blog project created with NodeJs. ExpressJs, Handlebars, MongoDB were used in the project.

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https://github.com/mizcausevic-dev/haskell-policy-engine

Type-safe policy DSL in Haskell. Algebraic data type Policy = Allow | Deny | When; predicates compose via And/Or/Not; pure total evaluator; Aeson JSON codec; Hspec + QuickCheck tests. Functional purity flex for the agent-governance theme.

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https://github.com/zalbia/learning-eff

Learning eff

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https://github.com/arthi-chaud/j4hskl

JSON for Haskell

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https://github.com/garyhilares/minesweeper

Simple Minesweeper game written in ISL with lambdas (a functional programming variant of Racket).

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https://github.com/epicallan/p2h-ui

Front end Test for a pdf to html service on steroids :ok_woman: :ok_woman: in purescript-pux

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https://github.com/bilal-fazlani/gossip-glomers-scala-template

Solutions for Gossip Glomers Challenges in Scala using ZIO-Maelstrom

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LINQ/monadic extensions for async operations in .net

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https://github.com/nrissot/DPF-2024-BinaryTree

🐫 Code OCaml du projet de Programmation Fonctionnelle de L2S4

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https://github.com/hecdelatorre/programacionfuncionalagenda

Proyecto realizado en netbeans 12 con jdk 11

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https://github.com/mdw-go/funcy

Functional programming toolkit for Go

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https://github.com/dimasmiftah/structuring

Structuring data from .txt file to JavaScript object literal using higher-order functions.

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https://github.com/rafaelvicio/pokedex-rxjs

Pokedex. Projeto utilizado para aprendizado de RxJS(Programação Funcional)

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https://github.com/alinpahontu2912/racket-supermarket

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https://github.com/yisus82/fic-pf

Programación Funcional - Facultad de Informática de A Coruña

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Library providing common functional utilities for the Lua programming language. Development of the library is currently frozen

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https://github.com/kanitsharma/elm-giphy

Single Page Application with Elm Architecture

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Epidemic simulation game.

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https://github.com/youstinus/toolsgo

Tools with utilities, transformers, generators and other useful functions.

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

We want to process a set of organizations from different industries to perform various queries about them using concepts from the functional paradigm. For each organization we know its name, website and other important fields. The main goal is to focus on modeling the data types and writing the necessary functions to perform the required analysis.

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Composable AJAX requests that return a Future Data Type

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Define asynchronous functions, easy

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SQLTemplate implements a fluent interface for executing SQL statements

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My solutions for Advent of Code 2017

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https://github.com/taimoorzaeem/functional-stuff

Some functional programs.

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A toy implementation of head|tail destructuring for the Immutable library

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Second homework for programming paradigms course

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Epitech second year project part of the functional programming module. Wolfram is an implementation of elementary cellular automaton written in Haskell

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https://github.com/mfarsikov/tuples

Java 8 Tuples

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My personal webcam 😜💦

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https://github.com/mdh266/poissondistributioninscala

Sampling From Poisson Distribution With A Functional Approach

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https://github.com/beatrizmilz/2023-11-rday-colombia-purrr

Presentation for R Day Colombia 2023

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A calculator for arithmetic mathematical expressions, developed from scratch with lexer, parser and evaluater

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Code examples for the Design and Implementation of Software Libraries course (DIBS), focused on Scala. Covers OOP, FP, testing, and more — fully in English, built with SBT and Scala 3.

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https://github.com/r8vnhill/root-of-haskell

Haskell implementation of the square root series approximation

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https://github.com/waf/montecarlo

Monte Carlo approximation of π, written in a functional programming style.

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https://github.com/aaron-creator/java_functional_programming

Examples for learning Streams, functional ptogramming with Java8.

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https://github.com/turbiani/java-learning

Repositório criado para estudos gerais sobre Java 8 e Reative Programming

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A cross-language exploration of JWT header parsing techniques across multiple programming paradigms

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Learning haskell Language solving computer science programming problem. This implies having a better knowledge about how language works and how to understand better how functional languages work.

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https://github.com/fabriziomettini/dsa-ii

Resources about my DS&A II course (FCEIA - UNR)

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https://github.com/ghurtchu/msgflow

:speech_balloon: Persistent Chat Server. Tech used: Scala, Java, PostgreSQL.

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functional stream programming library

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Program reads a binary encoded stream of bytes supplied as input and generates a graphical representation of the bytes in a terminal window.

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https://github.com/clitetailor/tokenize-monster

Yet another powerful tokenizer in js.

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https://github.com/rexapex/aetherlang

Aether compiler written in Haskell

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https://github.com/th3n0m4d/project-euler

Project Euler offers a plethora of challenges for those who love math and algorithms.

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https://github.com/rdquispe/java-functional-programming

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https://github.com/mohamedismail37/math-game

A C++ console game for practicing arithmetic with random questions and instant feedback.

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Console-based bank management system in C++ featuring file I/O, authentication, and permission levels,etc

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https://github.com/deepakbhalla/java8-new-features

Examples to cover new features added in Java 8

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https://github.com/imtjl/fp-euler-project

Introduction to functional programming in Elixir

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https://github.com/tkshill/adventofcode

Mega-folder for all Advent of Code solutions

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https://github.com/leodiegues/unwrappy

Yet another Rust-inspired Result and Option ergonomics brought to Python, enabling safe, expressive error handling with errors as values.

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https://github.com/xaaria/javastreams_sandbox

Just playing around with Java 8+ Streams

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https://github.com/stereobooster/zipper

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https://github.com/hugojosefson/fns

Utility functions.

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https://github.com/isaacvando/functionalprogrammingsig

Resources for MCA Functional Programming SIG including Haskell Jupyter notebooks

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https://github.com/salespaulo/poc-refactory

Refactoing code using Lambdas, Funtional Programming and Java 8.

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https://github.com/bramirez96/functional-state-no-react-exploration

An exploration into persisting state in a functional programming environment, and how one might implement a simple state-driven rendering engine like React with low overhead and specifically defined "hook" subscriptions. Also includes a custom webpack setup that allows for some really clean project architecture and reduced bundle size.

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Last synced: 13 Apr 2026