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/harmim/vut-flp-project1

Functional and Logic Programming - Functional Project - SIMPLIFY-BKG

context-free-grammar flp functional-programming ghc haskell theoretical-computer-science vut vut-fit

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https://github.com/carloskvasir/fizzbuzz-elixir

Primeiro exemplo feito no curso https://www.udemy.com/course/elixir-e-phoenix-do-zero/

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https://github.com/abbi-gaurav/haskell-projects

Haskell related learnings and code

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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/calvinlfer/dag-validator

A simple Directed Acyclic Graph validator that detects if cycles are present

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https://github.com/cuchi/turmite

Chaotic two-dimensional Turing machine

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An functional programming language-based shooting arcade game

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App that allows you to view information about alcohol of the world - Type in and find a country or city from the search bar and see all the drinks from there.

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https://github.com/bbjubjub2494/conway.sc

Functional Conway's Game of Life implementation using immutable sets

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https://github.com/ghurtchu/wc

unix wc clone

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An HTML parser implemented using the monadic parser monpar.

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https://github.com/jtberglund/advent-of-code-2017

My solutions for Advent of Code 2017

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Assertion helper for regular functions with wrapper for monads

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~~ Elm / Browser Game ~~ This is a snake game written in Elm. The language itself is a functional language. I learned many declarative concepts while developing this project. This game was a task in my studies.

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https://github.com/austinrwarner/monadic

Functional programming in Python using Monadic types

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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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Homeworks for math logic course in ITMO University

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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/lit-forest/pure-fantasy

常用的monad集合

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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/nathaniyell/meta-js-course

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

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https://github.com/mp81ss/apply

apply function implementation for C language

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https://github.com/skippia/fp-playground

Explore opportunities of functional programming through the prism of typescript and `fp-ts`

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https://github.com/palutz/fslinearalgebrarefresh

Linear Algebra refresh using fsharp

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https://github.com/codefeathers/poly

Assisted polymorphism for JavaScript

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https://github.com/alessandrokuz/proverbio

Python program to split a proverb in even and odd characters (and to merge them back together).

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https://github.com/alinpahontu2912/haskell-mobile-target-search

Second homework for programming paradigms course

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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/matt-mcmahon/functional

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

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https://github.com/j-christl/ocaml-havelhakimi

Functional implementation of the Havel-Hakimi algorithm in OCaml

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https://github.com/apb9785/aoc-2016-clojure

Advent of Code 2016 in Clojure

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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/andreacrotti/toolz_talk

Talk about Toolz

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https://github.com/mdxprograms/saturn.js

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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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Игра "Морской бой"

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https://github.com/alansastre/java-streams

Programación funcional y API Stream en Java

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https://github.com/shakadak/computorv1

Second degree polynomial solver.

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https://github.com/mnishiguchi/elixir_todo

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https://github.com/wilberquito/jelly-adventures

A game inspired in Bloxorz

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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/cagire

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

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https://github.com/asarkar/udemy-advanced-scala

https://www.udemy.com/course/advanced-scala/

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https://github.com/petitgrizzlies/99problems

Solutions for 99 Problems with Erlang

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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

cli eslint-plugin-functional file-deduplication file-scanner fp-ts functional-programming inquirer inquirer-fuzzy-path nodejs typescript

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

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https://github.com/mrtkp9993/funcproggo

Functional Programming in Go.

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https://github.com/panagiotiskotsorgios/cdsx.h

The Official C DataTypes Extended Library ==== CROSS PLATFORM LIBRARY ====

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

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https://github.com/fusion/uncons.cr

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https://github.com/zaikoxander/discover

Programa Discover da Rocketseat

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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/joshuaganter/go-functional

Iterative functions for functional programming in Go.

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

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https://github.com/jottenlips/favorite_resources

📚 Helpful Full Stack Development Resources

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React, except it's for desktop UI in Python

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Map a function over nullable value

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https://github.com/kevindasilvas/comments-kanban

Haskell microservice to add comments to a task in mini kanban project

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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/wdalmut/kata-example-1

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https://github.com/axionbuster/varcomp

Variadic function composition (without hacks)

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https://github.com/geekeast/intro-to-lodash-fp

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Ocaml interpreter (Sedlex tokenizer + Menhir parser) of modularized classes with two means of inheritance.

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https://github.com/jumpn/utils-promise

Promise Utilities

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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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https://github.com/iamfarrokhnejad/functional-love

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https://github.com/sebastianofazzino/poker-game

A simplified poker game implemented in Scala, featuring basic game mechanics, user interaction and MongoDB-based persistence.

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https://github.com/vojinovic-m/zmijica

Snake game in JavaScript implemented using functional programming principles + Supabase

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https://github.com/amstuta/ocamlbistro

A calculation tool for infinite size numbers writter in Ocaml

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https://github.com/frouioui/debruijn

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Notes from lectures and Haskell code from labs.

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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

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

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https://github.com/denisshevchenko/pyerevan2019

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JavaScript Utils

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https://github.com/a7mdfre7at/masterly.nonemptylist

A simple and lightweight implementation of a non-empty list in C#, inspired by Scala's List, that ensures a collection always has at least one item. This helps in reducing null-related bugs and ensures safe operations on collections with at least one element.

a7mdfre7at csharp data-structures dotnet dotnet-core functional-programming list masterly non-empty non-empty-collections scala-list-like

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https://github.com/shuddha2021/scalataskmanager

ScalaTaskManager is a powerful and flexible task management application built with Scala. It allows users to create, manage, and prioritize tasks seamlessly, featuring both simple and recurring tasks.

functional-programming priority-scheduling recurring-tasks scala simple-tasks task-management-app task-management-system task-manager to-do-list

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

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

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