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: 2026-06-28 00:11:59 UTC
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https://github.com/raiondesu/if-const

New word in javascript conditionals!

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https://github.com/those-otter-programs/functional_interface_bean_mapper

Sampling the use of functional interfaces to create bean mappers.

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Site de recettes de cuisine - OC Projet 7

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My solutions for some of KotlinHeroes' problems.

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

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Utility for working with streams (iterables).

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Structuring data from .txt file to JavaScript object literal using higher-order functions.

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Programación Funcional - Facultad de Informática de A Coruña

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

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Pearls of Functional Algorithm Design by Richard Bird - ocaml

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Functional Programing constructs for Go.

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Advent of Code solutions in Elixir.

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

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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/oniani/purity

A collection of various algorithms and data structures

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Project Euler Solutions (in Scala)

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A simple, functional approach to React

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Just learning how to structure ZIO programs

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Swift version of the original 13 ways of looking at a turtle in F# by Scott Wlaschin

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https://github.com/barbixxxa/functional-programming-language

Disciplina de Linguagem de Programação Funcional com o Professor Luis Menezes - POLI/UPE 2016.2

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

A functional library for TypeScript/JavaScript.

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Funkcionální a logické programování - Cvičení

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🪐 A personal bio for GitHub

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

Intro talk on functional programming

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run deeper | multipath piping | command-line tool | Elixir + Mix, w/ POSIX shell

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Presentations throughout all these years

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'Logical and Functional Programming' & 'Intelligent Systems' practices of courses in University of economics - Varna

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A functional language interpreter with text processing, easy embeddable! 📜

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

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Short talk (pecha kucha style) on functional programming

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Advent of Code challanges solved using Rust's iterators and functional programming

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工作中总结的公共类库、小工具，用来提高工作效率以及代码整洁度

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This is an application developed as a challenge for Elixir Ignite Bootcamp, proposed by RocketSeat.

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Attempt at encoding comonadic effects in Rust (inspired by @SheafificationOfG )

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Implementations of the 99 problems in Erlang.

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

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

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https://github.com/surjoyday/functional-procedural-objectoriented-programming

Code examples illustrating different programming paradigms: Object-Oriented Programming (OOP), Procedural Programming (PP), and Functional Programming (FP).

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https://github.com/mrgravity817/ruckpal

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https://github.com/antoniomdk/99-scala-problems

My own solutions to 99 Scala Problems.

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https://github.com/laszlokorte/recursion-schemes

Introduction to recursion schemes (WIP)

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Brings support for piping to JavaScript, with full TypeScript integration

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https://github.com/arodriguezfontana/functional-programming-unq

Prácticas realizadas para Programación Funcional de la UNQ.

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https://github.com/bra1l0r/iterify-rs

Iterate over anything with Iterify!

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

A basic foundation learnings on java and its features.

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Last synced: 12 Feb 2026

https://github.com/asarkar/hackerrank-fp-haskell

Functional Programming code challenges on HackerRank

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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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An experimental Python library exploring persistent and versioned data structures.

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https://github.com/yasmeentarek1/peg_reversal_game

Board game where the goal is to flip all black pegs on board to white, with pegs flipping only if adjacent to a white peg.

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Trabajo practico para el curso K2004 de Paradigmas de Programación

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https://github.com/rsrini7/myelmresume

My Short Resume using ELM Language 0.18

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

Personal OPAM / Lua Website

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https://github.com/bsgbryan/madul

Mädūl is the fun way to write functional code in TypeScript!

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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/thoughtfool/c-h-a-z

Hello, C.H.a.Z. (Cyborgs, Humans, ampersand Zombies): A simple strategy game demonstrating how enemies can become potential allies, where the balance between forces can shift in/out of your favor. Enemy of my enemy is my friend!

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https://github.com/rurumimic/lisp

List Processor

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https://github.com/thealexlichter/fp-in-php

A talk about functional programming in PHP

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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.

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Some Leetcode DP solutions in Scala made by me

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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.

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https://github.com/articulate/progress

Cheap, functional, terminal progress bar

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https://github.com/zyad-eltayabi/atm-system

💵 The system allows users to quickly withdraw predefined or custom amounts, deposit funds, check their balance, and securely log out.

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https://github.com/yeison0416/observable-catch-the-dot

🎯 A reactive browser game built with RxJS Observables. Practice event streams, state management, and DOM updates in real time.

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https://github.com/kimpro82/myfunctionalprogrammingpractice

Functional programming is definitely a devil's plot!

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https://github.com/skykanin/effects

An effects system based on freer monads in Idris

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Category theory definitions for the working programmer

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https://github.com/brunomontezano/r-workshop-intermediario

📚 Course material for the R Intermediate workshop. The website and all presentations are in Brazilian Portuguese.

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Obsolete utility library for AHKv2

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https://github.com/genropy/smartswitch

Intelligent rule-based function dispatch for Python

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https://github.com/mobiwn/programming-language-design

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