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: 2026-06-29 00:11:58 UTC
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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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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/asarkar/hackerrank-fp-haskell

Functional Programming code challenges on HackerRank

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https://github.com/nshkrdotcom/elixir_dashboard

A Phoenix LiveView performance monitoring dashboard for tracking slow endpoints and database queries

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https://github.com/smsraj2001/java-workspace

A basic foundation learnings on java and its features.

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https://github.com/yanick/updeep-remeda

Remeda-based fork of updeep

functional-programming immutable

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https://github.com/julgitt/logic-circuit-simulator

Logic Circuit Simulator taking into account the time delay of the logic gates

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https://github.com/slemus9/plfa

Solutions to the book: Programming Language Foundations in Agda, from Wadler, Philip, Wen Kokke, and Jeremy G. Siek

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https://github.com/lechindianer/fp-talk

Intro talk on functional programming

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https://github.com/xsismadn3ss/basic_exercises_gleam

Ejercicios básicos para aprender conceptos de Gleam

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https://github.com/gekomad/fpinscala

Exercise solutions for "Functional Programming in Scala"

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https://github.com/suddi/node-object-to-object-mapper

NPM module to perform object to object mapping using reusable, composable filter functions (https://www.npmjs.com/package/object-to-object-mapper)

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https://github.com/samuelastech/invoices

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https://github.com/gregros/z.ahk

Obsolete utility library for AHKv2

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https://github.com/emilydaykin/gifter

🎁 A full-stack, tested & responsive e-commerce site to browse and buy gifts for any occasion

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Persistent array data structure in JS

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https://github.com/stuartdaniells/portfolio-website

React

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https://github.com/armadacore/essentials

TypeScript essentials for explicit error and absence handling - Option, Result, typed Exceptions and optional Callbacks the compiler actually enforces.

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https://github.com/niuiic/fx-flow

A functional library for TypeScript/JavaScript.

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https://github.com/mehmet-github06/pokemon-app

If you want to revive your memories, you can look at the pokemon application.

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https://github.com/mavaji/ke2019

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

Composite Utilities

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https://github.com/akotronis/dit280

Advanced Languages and Programming Techniques

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https://github.com/missingfaktor/piper

Dead-simple threading with functions, in Clojure

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https://github.com/mdjnewman/have-you-heard

Short talk (pecha kucha style) on functional programming

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https://github.com/p2m2/p2m2tools

Development of bioinformatics tools/software related to P2M2 metabolomics platform activities

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https://github.com/jjteoh-thewebdev/html-canvas-snake

Nokia classic Snake game built with HTML Canvas

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https://github.com/mihailtd/functional-programming-comparison-go-js-python

Code examples for the Functional Programming Face-Off video on the Let's Talk Dev YouTube channel, comparing functional programming in Python, JavaScript, and Go.

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https://github.com/ethern-myth/spring-postgres

Java SpringBoot PostgreSQL RestAPI

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https://github.com/denisdubochevalier/monad

Implementation of monads in go with generics

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https://github.com/shaanbanday/me-101-c-plus-plus

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

Array utilities

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https://github.com/asarkar/thinking-functionally-with-haskell

https://www.amazon.com/Thinking-Functionally-Haskell-Richard-Bird/dp/1107452643

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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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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/palutz/calculateseries

A simple F# solution, with tests and console app to calculate a series of numbers

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https://github.com/simonwjackson/tetris.js

Tetris in pure JavaScript

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https://github.com/scmorrison/perl6-fp-notes

Notes on functional programing techniques with Perl 6

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https://github.com/palutz/programmingreactivesystem_course

Code from the Programming Reactive System in Scala course from Edx (EPFL)

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https://github.com/int64ago/mutate

Modify object and return immutable object.

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https://github.com/kanitsharma/monad-fantasy

A collection of monads implemented in javascript

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https://github.com/stephenjfox/calculator-http4k

Practicing in public 1. Kotlin 2. Web Server development 3. TDD 4. Functional-Programming Systems Design

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https://github.com/drmarjanovic/msc

An example of using telemetry in a system built on microservices-based architecture.

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https://github.com/fullstackjavadevelopercommunity/java8program

Core Java 8 Programs

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https://github.com/teixdavide/FEUP_PFL_Parser

λ | Low-level machine interpreter and compiler project, including stack management, parsing, and compiling imperative programs

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https://github.com/emanuelcasco/utn-pdep-tp-haskell

Trabajo practico para el curso K2004 de Paradigmas de Programación

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Desarrollo de un Parser para interpretar imágenes realizado en la materia Técnicas Avanzadas de Programación en UTN FRBA

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https://github.com/mrcfps/functional-programming-in-scala

Scala course programming exercises from Coursera.

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https://github.com/redradix/kata-fp

Kata to practice functional programming with Ramda

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https://github.com/mathemage/fup-programming-exam

Programming exams for B4B36FUP Functional Programming

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https://github.com/antwankakki/fct

functional cpp at compile time, the compiler turns to the perfectly slow interpreter XD

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https://github.com/eckelon/sanctuarycustomtypesexample

Easy example of how to define custom types with Sanctuary and using them in safe functions

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https://github.com/krishnalagad/learn-cpp-with-me

Repository contains C Programs, C++ Programs from difficulty level beginning to advanced. It also contains Modern C++ version 11, 14 and 17 programs.

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https://github.com/unosd/unofs

UnoFS is a purely functional semantic file system implemented in F#

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https://github.com/timeless-residents/handson-elm

A hands-on guide for learning the Elm programming language through basic concepts and practical examples

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https://github.com/sftsrv/parz

A simple parser combinator library

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https://github.com/habu-kagumba/functional-programming-js

Javascript applications with FP

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https://github.com/vtramo/java-problems

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

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https://github.com/v-spassky/no-exceptions

🚨 Errors as values for Python.

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

Code snippets used during the presentation

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https://github.com/eoic/adventofcode2021

Advent of Code solutions in Elixir.

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https://github.com/rcardin/raise4s

Porting of the Raise DSL from the Arrow Kt Kotlin library

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https://github.com/rcardin/the-joy-of-kotlin-exercises

functional-programming kotlin learning

Last synced: 07 Sep 2025

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

A practical functional library for Python Lovers.

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Last synced: 07 Sep 2025

https://github.com/darren277/lisp-music-gen

A very basic melody generation tool written in Lisp. There is also Postgres interactivity.

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https://github.com/denieler/angular-sequence-events

Sequential code and chained execution of events, handlers, etc.

angular events functional-programming library

Last synced: 25 May 2026

https://github.com/paulpdaniels/streamish

A simple Functional Reactive Streaming library

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Last synced: 28 Feb 2025

https://github.com/nkcoder/bondi

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

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Last synced: 01 Mar 2025

https://github.com/gonturri/tp-tadp-hibrido-objetos-funcional

Trabajo práctico de asignatura técnicas avanzadas de programación de UTN donde el objetivo sumergirse en el paradigma hibrido de objetos y funcional

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Last synced: 05 Oct 2025

https://github.com/sgon4arov/plato

🤖 Enhance coding with Plato, a CLI-compatible AI assistant that streamlines coding tasks while integrating seamlessly with GitHub Copilot.

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Last synced: 20 May 2026

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

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

functional-programming haskell

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https://github.com/phantie/pipe-forward

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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Last synced: 07 Oct 2025

https://github.com/moonfloof/CMP6090

Functional Programming - University Coursework/Homework

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https://github.com/therealkoedev/railway-results

Monads for easy and compact error handling with Railway Oriented Programming.

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https://github.com/fresult/just-reactive-web

My learning path to be a Backend Developer (Spring Boot)

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https://github.com/sevmardi/functional-design-in-java

Functional design in Java

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Last synced: 09 Oct 2025

https://github.com/arikgershman/ocaml-intro-330

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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https://github.com/jul10l1r4/contador

Um simples contador de views 🎩

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https://github.com/anvell/result-extensions

Additional extensions and imperative bindings for Kotlin's 'Result' type

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https://github.com/juop12/exactas-plp-cnil

Implementaciones de trabajos prácticos para Paradigmas de Lenguajes de Programación - 2do cuatrimestre 2025. TP1: Calculadora Incierta en Haskell con manejo de incertidumbre estadística.

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https://github.com/tdibacco/fp

Functional Programing constructs for Go.

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https://github.com/noxecane/pyfunk

An exploration of functional programming in python

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https://github.com/tralahm/scala-by-example

Scala is a tastefully typed language: it is statically typed, but explicit types appear in just the right places. Scala takes powerful features from object-oriented and functional languages, and combines them with a few novel ideas in a beautifully coherent whole. The syntax is so lightweight, and its primitives so expressive, that APIs can be used with virtually no syntactic overhead at all. Examples can be found in standard libraries such as parser combinators and actors. In this sense Scala supports embedded domain-specific languages.

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Last synced: 31 May 2026