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: 2026-07-10 00:12:02 UTC
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https://github.com/agnivchtj/scala-interpreter

Built a definitional interpreter that parses, desugars and interprets the value of a core-language expression.

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https://github.com/olivier-boudeville/ceylan-curry

Curry: a Haskell Cookbook

functional-programming haskell

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https://github.com/btylrob/btylrob.github.io

Personal OPAM / Lua Website

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An introductory OCaml project focused on functional programming fundamentals, demonstrating proficiency in recursion, pattern matching, list operations, and higher-order abstractions (map/fold).

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Ingenieria en Informatica - UMSS

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Some projects related to OOP, functional programming and parallel programming in C#

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

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WIP: Untyped lambda calculus compiler

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https://github.com/jferard/yamft

YAMFT (Yet another `more-functools`) is another functional library for Python

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https://github.com/nikvoronin/funsokoban

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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A tiny functional composition utility for Python. It allows you to create pipelines of functions using the | operator. Similar to |> (pipe forward) operator in F#.

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https://github.com/otbivnoe/haskell-time

Functional programming seems really interesting. Change your imperative mind and take over the world!

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https://github.com/mrbrunelli/curso-elixir

Meus estudos da Linguagem Elixir

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https://github.com/dashkite/joy

The simplicity of Lodash with the functional flair of Rambda.

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https://github.com/wdalmut/curry

An example of currying and partial application

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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/arthi-chaud/j4hskl

JSON for Haskell

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

🐫 Code OCaml du projet de Programmation Fonctionnelle de L2S4

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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/mavaji/ke2019

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https://github.com/nkcoder/bondi

Scala scripts with functional programming in Scala 3 (Cats Effect, ZIO, Skunk etc.)

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https://github.com/faylina/witching_hour_chronicles

A witchy blog that utilizes PHP

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

Some basic OCaml utility functions I will keep updating while learning functional programming

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https://github.com/sidmishraw/gunc

Golang functional programming library

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https://github.com/pixcai/hscheme

Write Yourself a Scheme in 48 Hours

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https://github.com/kathleenwest/advancedconsoleapplicationi

This is a very simple windows console application that I completed for a class assignment. It is shown here to illustrate my coding style, structure, and commenting. This example is considered Level 3 – Advanced. Objectives: Events Functional Programming Custom EventArgs IList<> Interface Indexer Delegates Anonymous Methods Event Handlers

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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/kubepay/java-cs-to-enterprise

This repository acts as standalone or upcoming book for educating interested Computer Science students to Data Structures, Algoritms, Design Pattersn on Java 8.

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https://github.com/justdvnsh/func.py

A practical functional library for Python Lovers.

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Simplify Even and Odd HTML DOM Element Stuff , Save Time and Make Coding Easier and Fun. Just for fun

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Experimental serliazable, time-travelable single state solution using RxJS observables

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Solutions to the exercises proposed during the courses on RockTheJvm site

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Github default profile image generator written in elixir

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My solutions to the exercises from "Functional Programming in Scala" book.

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The design of the classic arcade game space invaders

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https://github.com/mahi97/numex-lang

~ The pure functional Interpreter for NUMEX Language Based on Racket

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https://github.com/imdarshangk/functions

This repository contains various Python programs that demonstrate the use of functions with and without return values and arguments. The programs cover different mathematical operations and concepts.

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Some of the school assignments from my master's degree study.

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Reactive programming for UI (ReactJS mostly)

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A project to check your best pushswap instructions

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Functional approach with Ramda to solve the min-max kata

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Advent of Code solutions in Elixir.

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https://github.com/stackbuilders/functional-programming-patterns

Code snippets used during the presentation

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https://github.com/tsnobip/best-practices-and-fp

Programmations fonctionnelle et bonnes pratiques de développement logiciel

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https://github.com/pfpack/pfpack-core-func

PrimeFuncPack Core.Func is a core library set for .NET consisting of functional interfaces (SAM interfaces) and the extensions targeted for use in functional programming. There are both asynchronous (Task and ValueTask based) and synchronous interfaces and the extensions in the set - IAsyncFunc/IAsyncValueFunc and IFunc.

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🪐 A personal bio for GitHub

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trabajos prácticos realizados en la materia Estructura de Datos de la Universidad Nacional de Quilmes (UNQ)

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Solutions for various types of medium-to-challenging level problems.

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https://github.com/swirrl/functional-rap

Slides for 2nd half of the talk "The world won't let you RAP and what to do about it" held at DataConnect2022

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Yank a curried parameter down to be the first argument passed.

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https://github.com/milaziabchenko/custom-music-player-with-dropdown-select

Custom music player coupled with custom-made dropdown select, built with HTML, CSS, and JavaScript, combining FP and OOP approaches, and using the Web Audio API functionality

audio-player customization events functional-programming html-css-javascript oop ui-design web-audio-api

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https://github.com/latrovalievioan/fp-drill

I'm determined to learn what a Monad is!

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https://github.com/aygp-dr/fixed-point-explorer

Y combinator and fixed-point recursion exploration across Scheme dialects with formal verification

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https://github.com/justmegaara/functional-programming.course

This is a repository with an implementation of Conway's Game of Life. The game itself is implemented using several stacks in C#, F# and TypeScript. The purpose behind it is to have a small real-world example to show functional principles and features. Moreover, the repository is organized as 3 different projects an a small book/course in markdown to describe functional programming and reactive programming.

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https://github.com/sftsrv/parz

A simple parser combinator library

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https://github.com/palutz/elm_playground

Playing with Elm

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Implementations of the 99 problems in Erlang.

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https://github.com/fantiga/hackernews-list-nextjs-react-ts

This is an infinite loading demo generated from the HackerNews API using NextJS, React and styled-components.

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https://github.com/neelsomani/smart-cache

A Python library that analyzes your module and automatically caches purely functional sections

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https://github.com/armadacore/fnt

A collection of utility functions to make your TypeScript code more robust and safer.

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Code examples and exercises from the "Learn You a Haskell for Great Good!" book

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https://github.com/przucidlo/serverless-todo

Feature and infrastructure complete serverless app example.

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Bu depo, basit bir alışveriş sepeti uygulamasını içerir. JavaScript, HTML, ve CSS kullanılarak geliştirilmiştir. Ayrıca, harici bir API'den rastgele ürün verilerini çeker.

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