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: 2026-07-01 00:11:49 UTC
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https://github.com/austinrwarner/monadic

Functional programming in Python using Monadic types

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

Presentation for R Day Colombia 2023

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https://github.com/erwin-kok/result-monad

Explicit success/failure modeling for Kotlin using a Result monad. Favors explicit control flow and predictable error handling over exceptions.

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https://github.com/mdh266/poissondistributioninscala

Sampling From Poisson Distribution With A Functional Approach

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https://github.com/morbius00/hyggex

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/aloussase/webcam

My personal webcam 😜💦

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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/derektypist/build-a-spreadsheet

In this spreadsheet application project, learn about parsing and evaluating mathematical expressions, implementing spreadsheet functions, handling cell references, and creating interactive web interfaces.

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https://github.com/mp81ss/apply

apply function implementation for C language

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https://github.com/mfarsikov/tuples

Java 8 Tuples

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https://github.com/palutz/fplogic

Logic and functional programming in Haskell

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https://github.com/santiagolizardo/tonato

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/zavvdev/js-utils

Collection of JS utility functions

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https://github.com/mpellouin/wolfram

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/fusion/uncons.cr

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

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https://github.com/albertoadami/user-api-service-example

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/sandromaglione/nextjs_pokemon_memory_card_game

Memory Card Game using nextjs, typescript, jest, react-testing library, and fetching Pokemon from pokeAPI

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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/roxtra1/sea-battle_console_game

Игра "Морской бой"

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https://github.com/mode89/fdtrie-js

Persistent data structures with fast diff

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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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https://github.com/albertllousas/flight-booking-microservice

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

Some functional programs.

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https://github.com/shakadak/computorv1

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/mnishiguchi/elixir_todo

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https://github.com/stijnmoreels/fsharp.fparsec.flatfile

Flat File parsing with FParsec

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https://github.com/nicklatch/ocaml_learn_exercises

My solutions to the ocaml.org exercises

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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/data-structures-reasonml

Collection of data structures implemented in ReasonML (OCaml)

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https://github.com/crowsonkb/partial-apply

Partial application of functions and method names, supporting placeholder values for positional arguments.

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https://github.com/marcodpt/wand

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

Stuff I've worked through while learning Haskell

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Private blog & cv

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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/recursivelogic/haskell-bot

Haskell Discord bot for the FP Discord server

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https://github.com/deepcloudlabs/dcl165-2020-jan-02

Lab Projects studied in the training: DCL-165: Fundamentals of Scala Programming

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https://github.com/hamidhosen42/functional-banking-website-js

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https://github.com/rjdestigter/lazy-reducers-example

An example of using the IO Monad to lazily inject reducers into the Redux store

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https://github.com/codeconscious/unique-file-generator-fsharp

Create an arbitrary number of random, unique (by name and content) files.

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https://github.com/jyothsnasrinivas/eta-android-interop

Utilities for interoperating with Android

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https://github.com/minikin/github-swiftui

🦥GitHub meets SwiftUI

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https://github.com/raiondesu/if-const

New word in javascript conditionals!

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Image carousel made with React and TypeScript

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https://github.com/milaziabchenko/vanilla-javascript-playground

JavaScript theory and code snippets, using functional and OOP, prototypes, higher-order array methods, regular expressions, DOM, events, and asynchronous JS

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