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/mtumilowicz/scala-cats-implicit-workshop

Introduction to scala implicit systems with examples.

cats cats-core fp functional-programing functional-programming functional-programming-examples functional-programming-in-scala implicits monad scala typeclass-instances typeclasses workshop-materials workshops

Last synced: 16 Aug 2025

https://github.com/muhammadmoeezkhan/erlang-parallel-algorithm-performance

Erlang Powered Analysis of Sorting Algorithms Using Parallel Processing And Performance Tracking!

erlang functional-programming parrallel-computing sorting-algorithms-implemented

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https://github.com/thericecold/tictactoe

Tictactoe using 2D array with game history states

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https://github.com/haskyll/haskyll.github.io

Beginner's guide to Haskell

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https://github.com/rodrigo-sp17/learning-scala

Functional programming in Scala, as part of https://www.coursera.org/learn/progfun1

functional-programming scala

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https://github.com/thom2503/haskell-practicum

practicum haskell - hogeschool rotterdam

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https://github.com/gcosta0410/y3s1-pfl-functional-and-logic-programming

Year: 3rd (BSc), Semester: 1st, Course: Functional and Logic Programming (PFL)

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https://github.com/tom-weatherhead/atrocity

A Scheme interpreter implemented in C.

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https://github.com/tmohamedashraft/scala_rule_engine

This Scala ETL pipeline processes transaction CSV files by applying discounts and calculating final prices using pure functional programming principles. The transformed data is then loaded into an Oracle database, demonstrating end-to-end data processing with type safety and immutability.

etl functional-programming oracle-database sbt scala

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https://github.com/skippia/starter-templates

Production-ready set of templates for smooth DX (Typescript / FP-TS / Nest.js)

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Last synced: 02 Mar 2025

https://github.com/pedrovinhas/recursos-funcionais-js

🎓 Trabalho desenvolvido durante a cadeira de Paradigmas de Linguagem de Programação no curso de Ciência da Computação

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https://github.com/palutz/scalashoppingbasket

A simple shopping basket in Scala, with an idiomatic approach...

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https://github.com/aliariff/fp19

Functional Programming Class - RWTH Aachen University

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https://github.com/bertrand31/damysos

🌍 An experimental data structure allowing lightning-fast, constant-time lookups of large datasets for neighboring multi-dimensional points

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https://github.com/aloussase/jwt-auth

Sample project showing how to implement authentication with JSON Web Tokens

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https://github.com/fforbeck/spreadsheet

Spreasheet Programming Challenge

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https://github.com/trodicaro/scalabridge

Full day Scala workshop.

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

Programming Language Theory & Research

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https://github.com/ghurtchu/cut

:scissors: :page_facing_up: :knife: unix cut clone

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https://github.com/touradbaba/habit_tracker

Habit Tracker app with python.

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https://github.com/sash-ua/gen_drift_monad-ts_a4

The simple web application Modeling Genetic drift. Used: Angular4 + Angust+ TypeScript, Angular material, Rollup, D3, HammerJS, SCSS, Gulp, HTML5, CSS3.

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https://github.com/mrtkp9993/funcproggo

Functional Programming in Go.

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https://github.com/rudxain/fastlisp

This is not mine. It's an orphan fork

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

Checkers with AI.

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https://github.com/developeromarfaruk/e-johan-shop

Simple E-Commerce website with Firebase Authentication React Routing.

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https://github.com/fantiga/clinical-portal-demo-react-ts

This is a demo that uses React, Material UI, styled-components, react-hook-form and fetch-mock, according to the provided API, to implement a clinician to log in and view patient details project.

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https://github.com/axionbuster/varcomp

Variadic function composition (without hacks)

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https://github.com/sofisar/c--_playingwithnumbers_spring-2022

This program allows the user to choose to compute all the cousin prime pairs less than a number they input, compute if a number is a perfect number, or quit.

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https://github.com/ayrtonbsouza/elixir-fundamentals-reports-generator

This is an application developed as a lesson for Elixir Ignite Bootcamp, proposed by RocketSeat.

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https://github.com/markpurser/es6-defender

ES6 Defender

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https://github.com/mathbunnyru/cukic-func-workshop

Ivan Cukic functional programming

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https://github.com/harlockofficial/functionalprogrammingtutoringmaterial

All material that will be used during the tutoring sessions for the Functional Programming module of the Programming Methodologies course

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Last synced: 02 Feb 2026

https://github.com/rajasegar/effpy

My own Functional Programming utilities in Javascript

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https://github.com/surjoyday/functional-procedural-objectoriented-programming

Code examples illustrating different programming paradigms: Object-Oriented Programming (OOP), Procedural Programming (PP), and Functional Programming (FP).

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https://github.com/nextbreakpoint/sqltemplate

SQLTemplate implements a fluent interface for executing SQL statements

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

Ingenieria en Informatica - UMSS

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https://github.com/noor188/how-to-code-simple-data

Software development foundation

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https://github.com/frouioui/debruijn

DeBruijn in Haskell

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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/jvspeed74/python-workshop

This repository hosts various Python scripts that I've created on my journey to master the programming language. Each script contains a README.md file documenting the purpose and features of each script.

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https://github.com/nshkrdotcom/gepa_ex

Elixir implementation of GEPA: LLM-driven evolutionary optimization using Pareto-efficient search for text-based systems. Features OpenAI/Gemini integration, BEAM concurrency, OTP supervision, 218 tests with 75% coverage.

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https://github.com/critocrito/namefn

Set the name property of a function.

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https://github.com/Shohail-Ismail/Haskell-Texas-HoldEm

A Haskell implementation of Texas Hold'em created for my COM2108 (Functional Programming) module. This project includes a working Texas HoldEm Poker game with additional features such as predefined player strategies (random, passive, aggressive) and an option for human input to play the game.

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https://github.com/turbaszek/haskell-labs

Notes from lectures and Haskell code from labs.

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https://github.com/vastavikadi/haskell

The language which will make you fall in love with Functional Programming

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https://github.com/vastavikadi/elixir

A personal journey into learning Elixir covering basics, functional programming concepts, and small hands-on projects. Scale to billions, real-time and what not.

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https://github.com/viralpraxis/purist

Automatic runtime impure ruby methods invocation detection

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https://github.com/suddi/knightwatcherbot

Bot API for customized Telegram alerts, developed for AWS Lambda and API Gateway (https://bot.suddi.io)

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https://github.com/davidgfolch/schibstedwebapptest

Schibsted Webapp Test with com.sun.net.httpserver

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https://github.com/aayushyadavz/keeper-app-react

Created a Keeper App using React in which we can add our notes.

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https://github.com/sushantpt/understanding_delegates

Code snippets of "Delegates in C#"

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https://github.com/grahamstrickland/functional_lean

Examples and exercises from "Functional Programming in Lean" - David Thrane Christiansen

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https://github.com/mavaji/ke2019

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https://github.com/kyminbb/it

Iterator building blocks for Go, based on Go 1.23+ iterators

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https://github.com/jungstershark/clojurecipe

ClojuRecipe is a Clojure-based command-line tool that suggests recipes using the Edamam API. It leverages functional programming principles to provide reliable recipe suggestions based on the ingredients you have available.

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Last synced: 09 Mar 2026

https://github.com/rsrini7/myelmresume

My Short Resume using ELM Language 0.18

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Last synced: 26 Aug 2025

https://github.com/wanjinyoo/sml

Functional programinng

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Last synced: 09 Mar 2026

https://github.com/arduriki/servy

An HTTP server made with Elixir to learn functional programming

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Last synced: 08 Sep 2025

https://github.com/davidkhahn/advanced_javascript

Closures & Prototypal Inheritance, Object Oriented Programming, Functional Programming, Asynchronous Javascript, Error Handling, Modules

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Last synced: 27 Aug 2025

https://github.com/priontoabdullah/simple-calculator-vanilla-js

🔢 A simple vanilla js Calculator. 🌎 Live demo: https://priontoabdullah.github.io/Simple-Calculator-Vanilla-JS/ 🙌

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Last synced: 29 Aug 2025

https://github.com/tauseefk/rex

Everything is streams.

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https://github.com/oniani/purity

A collection of various algorithms and data structures

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https://github.com/zachahn/proc_party

Make your objects act like procs!

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Last synced: 11 Nov 2025

https://github.com/denisshevchenko/pyerevan2019

Presentation for PYerevan meetup 2019

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https://github.com/imtjl/fp-red-black-tree-dict

TreeDict - Implementation of Dict based on Red Black Tree in Elixir

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https://github.com/alex11br/myfsharpsnake

Yet another snake game witten in F#. This one has 2 versions: one that runs in the terminal, and a webapp.

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https://github.com/jaandrle/jaajsu

JavaScript Utils

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Last synced: 28 Oct 2025

https://github.com/olekscode/montecarlointegration

Scala implementation of sequential and parallel Monte Carlo method for computing a deterministic numerical integration of functions

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Last synced: 05 Apr 2025

https://github.com/jiriklepl/cpp-turing-machine-in-templates

C++ turing machine in templates

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Last synced: 27 Mar 2025

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: 03 Apr 2025

https://github.com/king-prawns/ramda-sfs

Ramda - Start from scratch

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Last synced: 05 Nov 2025

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

Refactoing code using Lambdas, Funtional Programming and Java 8.

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Last synced: 27 Mar 2025

https://github.com/m1kc3b/explicitly

A TypeScript library inspired by Rust’s Option<T> and Result<T, E>, providing safe and expressive error handling. Avoid null, undefined, and exceptions with explicit, functional-style handling of missing values and errors. 🚀

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Last synced: 03 Apr 2025

https://github.com/barcek/aqfr

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

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https://github.com/barcek/awb

cultivate HTML | monadic DOM tree transformer | frontend generation | library & command line tool | Node.js

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https://github.com/apulbere/lagos

a collection of Java 8+ samples

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https://github.com/hugojosefson/fns

Utility functions.

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https://github.com/stereobooster/zipper

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Last synced: 07 Sep 2025

https://github.com/xaaria/javastreams_sandbox

Just playing around with Java 8+ Streams

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https://github.com/prncss-xyz/flua

iterator composition in lua

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https://github.com/zhongzc/gparser

A naive parser combinator library

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Last synced: 22 Mar 2025

https://github.com/rcardin/road-to-fp-in-scala

A bunch of code that I used to learn the topic of functional programming in Scala.

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Last synced: 26 Dec 2025

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/shitu13/javascript-projects

This repository contains a collection of JavaScript projects that demonstrate a range of skills and concepts, from fundamental programming principles to advanced web development techniques.

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