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: 2026-06-24 00:08:05 UTC
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https://github.com/sarthakmakhija/joy-of-kotlin

Repository containing solutions for problems in "Joy of Kotlin" book

functional-programming junit5 kotlin

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https://github.com/martinfrancois/java-optionals-skill

Help AI coding agents use Java Optional well in new code and cleanup, without replacing one antipattern with another.

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https://github.com/mariankapisinsky/FIT-VUT-NNET

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

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

A practical functional library for Python Lovers.

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https://github.com/costineest/rpu

Reactive programming for UI (ReactJS mostly)

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Clojure examples and tutorial

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Programa diseñado con programación funcional que permita determinar cuántos litros de cerveza deben agregarse entre los barriles para servir exactamente n vasos de cerveza desde cualquiera de las salidas.

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Code snippets used during the presentation

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A simple and compact functional programming language

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🚨 Errors as values for Python.

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

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Repositório para o curso JavaScript Funcional e Reativo - PENSE como um Dev JS da Cod3r

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https://github.com/amaziahub/tunic

A minimal setup for a Kotlin application using Gradle

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

Javascript applications with FP

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https://github.com/zlovtnik/frontend

A TypeScript/Bun/React frontend application for the Actix Web REST API backend with JWT authentication, multi-tenant support, and comprehensive functional programming patterns.

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Slides for Typed FP in TS

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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/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/nthportal/euler-n-scala

Project Euler Solutions (in Scala)

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https://github.com/tricinel/cuddy

An aggregation pipeline built in a functional programming style that lets you search, group, order and transform a collection.

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Build a simple Syntactic Analyzer in Haskell to discover Functional programming

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https://github.com/csalih/functional-programming

Homework repo for functional programming

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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/denieler/angular-sequence-events

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

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Haskell Functional Programming Course

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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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PHP Fundamental

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Turin Machine simulation to add one bit to a binary number

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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/paulpdaniels/streamish

A simple Functional Reactive Streaming library

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

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

Intro talk on functional programming

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Feature and infrastructure complete serverless app example.

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Site de recettes de cuisine - OC Projet 7

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https://github.com/unosd/unofs

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

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Prácticas de la asignatura Nuevas Tecnologías de la Programación de la UGR

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A functional library for TypeScript/JavaScript.

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https://github.com/wafer-li/scala-coursera

The projects of Functional Programming in Scala

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Some functional programming (main Java interfaces for such)

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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/eckelon/sanctuarycustomtypesexample

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

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Generate Setters from your Elm Field Names!

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https://github.com/lucasamiranda/atividade-2

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Most common sorting algorithms implemented in Haskell (Quicksort, InsertionSort, MergeSort, BubbleSort, HeapSort, SelectionSort, Radixsort, Bucketsort and Shellsort)

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https://github.com/apulbere/lagos

a collection of Java 8+ samples

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C - Programming Language

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If you want to use `void` as a type parameter, but C# won't let you...

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This repository will show to you how functional paradigm works in a feel examples: implementation of Data structures, high order functions and other functional functions.

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https://github.com/primeeagle/sonata

A modern scripting language with an advanced type system, supporting both object-oriented and functional programming paradigms.

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Exercises to the book "Functional Programming Using F#" written by Michael R. Hansen and Hans Rischel

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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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https://github.com/nohomey/prolog-interpreter

Basic Prolog interpreter written in Haskell for the Functional programming course in univeristy (FMI at SU)

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