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: 2026-07-02 00:11:57 UTC
- JSON Representation
https://github.com/raiondesu/if-const
New word in javascript conditionals!
conditional esnext functional functional-programming if js library troll-bait typescript
Last synced: 28 Apr 2026
https://github.com/amstuta/ocamlbistro
A calculation tool for infinite size numbers writter in Ocaml
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https://github.com/jyothsnasrinivas/eta-android-interop
Utilities for interoperating with Android
android eta functional-programming haskell
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https://github.com/prdpx7/fp
"functors maketh man"
fp-practice functional-programming
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https://github.com/bertrand31/data-structures-javascript
Collection of data structures implemented in a functional fashion in JavaScript
functional-programming javascript nodejs
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https://github.com/codeconscious/unique-file-generator-fsharp
Create an arbitrary number of random, unique (by name and content) files.
cli cli-app dotnet fsharp functional-programming unique-file-generator unique-files
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https://github.com/kash1444/py_files
Here are some of my beginner codes to upskill my knowledge in python
algorithm functional-programming ide jupyter-notebook python-3 turtle-graphics
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https://github.com/hamidhosen42/functional-banking-website-js
functional-banking-website-js
functional-programming html html5 javascript tailwind-css
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https://github.com/deepcloudlabs/dcl165-2020-jan-02
Lab Projects studied in the training: DCL-165: Fundamentals of Scala Programming
functional-programming just-enough-scala scala
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https://github.com/thautwarm/xylearn
the way to fewer tasks and more convincing products.
concurrency csharp functional-programming machine-learning toolbox
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https://github.com/recursivelogic/haskell-bot
Haskell Discord bot for the FP Discord server
discord discord-bot functional-programming haskell
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A simple blockchain written in Haskell along with a Haskell web server for interacting with it along with Postgres interactivity.
blockchain functional-programming haskell postgres
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https://github.com/constantiner/sibylla
Asynchronous Promise based functional style utilities with full TypeScript support
async async-await asynchronous asynchronous-programming ecmascript fp functional functional-js functional-programming javascript node node-js nodejs promise typescript typescript-library
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https://github.com/mhashim6/kotlinheroes
My solutions for some of KotlinHeroes' problems.
algorithms codeforces competitive-programming functional-programming kotlin kotlinheroes
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https://github.com/woutervanbakel/try
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cpp cpp11 functional-programming try
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angular functional-programming js monad-ts redux redux-store state-machine typescript
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https://github.com/joebobmiles/joebobmiles
My user readme.
front-end functional-programming react typescript web
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https://github.com/imrafaelmerino/vertx-mongo-effect
Vertx-MongoDB-Effect enables interaction with MongoDB in a purely functional and reactive style, seamlessly integrating with Vertx-effect. This library requires familiarity with Vertx-effect, as both frameworks share a foundational reliance on immutability and persistent data structures provided by json-values.
functional-programming javascript json-values mongodb persistent-data-structure reactive-programming vertx vertx-effect
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https://github.com/rtorr/ts-fp
Typescript, eslint-plugin-fp, and vscode example
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https://github.com/qard/potentially
A maybe/option type implementation with separate derived types to reduce branching
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https://github.com/jaandrle/fpubsub
PubSub pattern library with types support
event event-emitter functional-programming javascript pub-sub pubsub reactive reactive-programming typescript
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https://github.com/lmarzocchetti/wangtiles-ml
Wang Tiles generator in Ocaml
functional functional-programming ml ocaml wang-tiles
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https://github.com/aajafry/custom-video
functional-programming html-video-player vanilla-javascript
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https://github.com/oniani/purity
A collection of various algorithms and data structures
algorithms data-structures functional-programming haskell
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https://github.com/ethern-myth/javascript
OOP, Arrays and Objects and more
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https://github.com/al-ghaly/ruleengineusingscala
A Rule-Based discount calculating engine for a retail store. The engine reads transaction data, applies various discount rules based on the product, date, and other criteria, and writes the results back to a database.
database etl etl-automation functional-programming jdbc oracle programming scala
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https://github.com/leovido/fp-casestudy-swift
Swift version of the original 13 ways of looking at a turtle in F# by Scott Wlaschin
dependency-injection functional functional-programming functional-programming-examples ios-swift refactoring swift swift5
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https://github.com/packquickly/little_lambda
Function composition, the un-Pythonic way!
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https://github.com/agapas/images-switcher
React app to switch images on toggle, on mouse hover or touch and by scrolling the page, made to practice React Hooks.
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https://github.com/cgyurgyik/caml-pox
Epidemic simulation game.
epidemic epidemic-game epidemic-theory functional functional-programming game ocaml
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https://github.com/quacksouls/jaf
Adventures in functional JavaScript
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https://github.com/lechindianer/fp-talk
Intro talk on functional programming
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https://github.com/zhongzc/gparser
A naive parser combinator library
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https://github.com/barcek/aqfr
run deeper | multipath piping | command-line tool | Elixir + Mix, w/ POSIX shell
beam command-line-tool dx elixir functional-programming pipes shell
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https://github.com/jumpn/utils-promise
Promise Utilities
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https://github.com/guibrandt/persistentarray
Persistent array data structure in JS
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https://github.com/nzrsky/funkobjc
Functional and typed extensions for ObjC 🚀
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https://github.com/stuartdaniells/portfolio-website
React
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https://github.com/marinaa13/sat-solver-haskell
Functional SAT solver in Haskell implementing DPLL and CDCL strategies, with applications to the 3-coloring problem. Features lazy evaluation, clause learning, and non-chronological backtracking
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https://github.com/reshiadavan/catena
simple, lightweight, actor-based distributed blockchain
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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/amillert/camodular
Ocaml interpreter (Sedlex tokenizer + Menhir parser) of modularized classes with two means of inheritance.
functional-programming menhir ocaml parser sedlex
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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.
discriminated-union error-handling exception functional-programming monad nullsafety option result ts-essentials type-safety
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https://github.com/lpld/real-world-haskell
Assignments from the book "Real World Haskell" (http://book.realworldhaskell.org/)
functional-programming haskell
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https://github.com/aayushyadavz/keeper-app-react
Created a Keeper App using React in which we can add our notes.
components-react filtering functional-programming mapping material-ui reactjs
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https://github.com/jccampagne/stuff
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https://github.com/ryanhill1/command-line-checkers
Checkers with AI.
ai checkers functional-programming game game-tree ocaml
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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.
functional-programming golang javascript python
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https://github.com/dictybase-docker/crusher
CLI tool for building OCI images, creating Crush sandbox containers, and packing Docker Sandbox agent kits — powered by fp-go functional programming combinators.
cli container crush docker docker-sandbox fp-go functional-programming go oci sandbox
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https://github.com/stephenombuya/spreadsheetapplication
A simple, interactive spreadsheet web application built using HTML, CSS, and JavaScript. This app allows users to create, modify, and organize data in a grid-like format, mimicking a basic spreadsheet interface.
css3 functional-programming html5 javascript
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https://github.com/ethern-myth/spring-postgres
Java SpringBoot PostgreSQL RestAPI
functional-programming generics java jpa-hibernate oop postgresql springboot
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https://github.com/deepcloudlabs/dcl113-2023-aug-14
DCL-113: Functional Programming in C++20
cpp17 cpp20 functional-programming functors higher-order-functions lambda-expressions lazy-evaluation partial-functions pure-functions ranges ranges-v3 stl-containers
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https://github.com/geekeast/intro-to-lodash-fp
Introduction to Lodash/fp
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https://github.com/ildella/pipelean
A pragmatic library for sequential async operations with first-class error handling.
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A Clojure webhook handler for processing and validating payment events with SQLite persistence and HTTP callbacks for confirmation/cancellation.
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https://github.com/sseffa/functional-programming
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Simple app from Kotlin - Head First book
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https://github.com/aayushyadavz/todo-app-react
Built a ToDo App using React JS.
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Private blog & cv
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fp functional-programming java javafx jdk17 lambda openjfx stream
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https://github.com/rvarago/cpp_optional_extras
*EXPERIMENTAL* A handful of C++ utilities I wish std::optional<T> had
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https://github.com/milaziabchenko/minimo-website
Stylish photodiary | lifestyle | travel multi-page website created with modern features of HTML5, CSS3, and JavaScript, combining functional programming and OOP approaches
css-animations css-flexbox css-grid functional-programming html-css-javascript localstorage-api multi-page-application oop responsive ui-design
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https://github.com/kevindasilvas/comments-kanban
Haskell microservice to add comments to a task in mini kanban project
conduit docker docker-compose functional-programming haskell mongo mongodb rabbitmq redis spock spock-framework uuid
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https://github.com/sftsrv/parz
A simple parser combinator library
functional-programming gleam gleam-lang parser parser-combinators
Last synced: 05 Feb 2026
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.
asp-net-core aspnetcore csharp fsharp functional-programming functional-reactive-programming immutability net-core-3 pure-function reactive-extensions reactive-programming reactjs referentially-transparent rx signalr-core typescript unidirectional-dataflow
Last synced: 06 Jul 2025
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.
actix-web ant-design bun fp-ts functional-programming multi-tenancy pattern-matching railway-oriented-programming react rest-api-jwt-authentication result-types tailwindcss typescript validation zod
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https://github.com/zhangchiqing/nnmap
Map a function over nullable value
curry functional-programming map nullable
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https://github.com/habu-kagumba/functional-programming-js
Javascript applications with FP
functional-programming javascript ramda state-management
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https://github.com/vtramo/java-problems
Solutions for various types of medium-to-challenging level problems.
algorithm-challenges algorithms-and-data-structures completablefuture-api concurrent-programming declarative-programming exercises forkjoin functional-programming future java java-exercises lambda-functions parallel-programming problem-solving problems problemset solutions spliterator stream-processing thread-pool
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f-sharp functional-programming presentation
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https://github.com/theosorus/syntacticanalyzer
Build a simple Syntactic Analyzer in Haskell to discover Functional programming
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https://github.com/markehost/javascript-exercises
Coding exercises in JavaScript.
coding-exercise functional-programming javascript javascript-exercises mocha node should testing
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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.
csharp dotnet dotnet-core functional-interface functional-interfaces functional-programming single-abstract-method
Last synced: 09 May 2026
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.
advent-of-code advent-of-code-2021 elixir functional-programming
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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/przucidlo/serverless-todo
Feature and infrastructure complete serverless app example.
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https://github.com/amdjadouxx/pushswap-checker
A project to check your best pushswap instructions
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https://github.com/unosd/unofs
UnoFS is a purely functional semantic file system implemented in F#
dotnet-core dotnet-core2 dotnet-standard filesystem fsharp functional-programming fuse pure-functional
Last synced: 05 Jun 2026
https://github.com/niuiic/fx-flow
A functional library for TypeScript/JavaScript.
functional-programming typescript
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https://github.com/corporatepiyush/clj
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clojure concurrency functional-programming immutable-datastructures
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https://github.com/krishnalagad/learn-cpp-with-me
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asynchronous-programming functional-programming lambda-functions modern-cpp move-semantics multithreading oop-principles stl-algorithms
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https://github.com/mehmet-github06/pokemon-app
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https://github.com/costineest/rpu
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https://github.com/mariankapisinsky/FIT-VUT-NNET
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asynchronous-programming cryptography digital-forensics fit functional-programming graph-algorithms influxdb networking parallel-algorithms tls-fingerprint vut web-applications
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functional-programming haskell
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Porting of the Raise DSL from the Arrow Kt Kotlin library
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Keepcoding Master Mobile Engineering Bootcamp - iOS Advanced - Functional programming exercise
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