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: 2026-06-30 00:12:00 UTC
- JSON Representation
https://github.com/shaanbanday/me-101-c-plus-plus
abstraction functional-programming mechanical-engineering
Last synced: 29 Jun 2026
https://github.com/stackbuilders/refactoring-legacy-code
Refactoring Legacy Code using FP
functional-programming java lambda-expressions
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https://github.com/wdalmut/kata-example-1
example functional-programming ramda
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https://github.com/manoelcampos/fp-projeto-1-poligonos-flatmap
Um projeto base em OpenJFX para desenhar polígonos na tela e permitir a implementação de algumas funções para descobrir o tipo de cada polígono e calcular seu perímetro usando Stream.map() e flatMap()
fp functional-programming java javafx jdk17 lambda openjfx stream
Last synced: 16 May 2025
https://github.com/markehost/javascript-exercises
Coding exercises in JavaScript.
coding-exercise functional-programming javascript javascript-exercises mocha node should testing
Last synced: 13 Apr 2026
https://github.com/rakibhhridoy/predictingsequence-timeseriesanalysis
Time series data easy handling purposes in TensorFlow and python functional programming. Time Series data is handled and pre-processed by different steps,like making window of the data,splitting data for model purpose is also different than other processing methods. All has combined for easy access.
forecasting functional-programming keras lstm lstm-neural-networks moving-average numpy python tensorflow time-series windowed
Last synced: 02 Apr 2026
https://github.com/iosialectus/haskellcipherplay
Implementations of RSA, Blum Blum Shub PRNG, affine and polyalphabetic ciphers, and supporting number theory in Haskell.
cryptography functional-programming haskell number-theory prng rsa
Last synced: 02 Apr 2026
https://github.com/blackwakhu/introduction-to-functional-programming
introduction to functional programming
clojure functional-programming replit tutorial tutorial-code
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https://github.com/minericefield/vue-ramda-ts-playground
functional-programming ramda typescript vue vue3
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https://github.com/marcelo-gomj/windows-10-calculator
It's the Windows calculator made with pure HTML, CSS and JavaScript. I tried to apply some functional programming concepts.
browser calculator css functional-programming html javascript vanilla-javascript webapp
Last synced: 17 Apr 2026
https://github.com/rvarago/cpp_optional_extras
*EXPERIMENTAL* A handful of C++ utilities I wish std::optional<T> had
cpp cpp20-library functional-programming optional
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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
functional-js functional-programming javascript sanctuary types
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https://github.com/Imtjl/fp-red-black-tree-dict
TreeDict - Implementation of Dict based on Red Black Tree in Elixir
data-structures elixir functional-programming red-black-tree
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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/marinaa13/pairing-heaps-racket
Functional implementation of pairing heaps and their applications in Racket, including sorting, movie ranking, and stream-based median computation, using recursion, higher-order functions, and pure functional design
functional-programming heap higher-order-functions pairing-heap racket recursion
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https://github.com/mf42-dzh/transduction
Clojure's transducers in Scala.
composable-functions functional-programming library reducers scala transducers
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https://github.com/shakadak/ft_turing
functional-programming haskell json turing-machine-simulator
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https://github.com/lucasamiranda/atividade-2
imersao-tecnicasdeinvasao-python(Bruno-Fraga)
functional-programming python3
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https://github.com/akotronis/dit280
Advanced Languages and Programming Techniques
functional-programming haskell
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https://github.com/developeromarfaruk/react-authentication
Simple React Authentication Project with Firebase.
bootstrap5 conditional-statements css3 firebase-auth functional-programming hookstate html5 ractjs state-management
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https://github.com/skippia/starter-templates
Production-ready set of templates for smooth DX (Typescript / FP-TS / Nest.js)
ci-cd cz-conventional-changelog dependency-cruiser eslint flamegraph fp-ts functional-programming nest nodejs prettier production-ready semantic-release simple-git-hooks starter-template template tsx typescript vite zod
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https://github.com/kevindasilvas/comments-kanban
Haskell microservice to add comments to a task in mini kanban project
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https://github.com/lordgoatius/comonad_rust
Attempt at encoding comonadic effects in Rust (inspired by @SheafificationOfG )
Last synced: 27 Mar 2025
https://github.com/hyperifyio/gnd
Gendo Lang
ai bitnet-llm deterministic functional-programming llm openai openai-api pipeline programming-language prompt-engineering
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https://github.com/aleksandarskrbic/functional-rest-api-example
Purely Functional REST API showcase application
cats cats-effect doobie functional-programming http4s pureconfig scala
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https://github.com/guibrandt/higher-kt
Some experiments with annotation processors, code generation, higher kinded types (sort of) and typeclasses (sort of) in Kotlin
annotation-processor category-theory code-generation functional-programming higher-kinded-types kotlin typeclasses
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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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https://github.com/v-spassky/drainage
🚿 Implementation of pipe expressions for Python.
functional-programming pipe python
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https://github.com/dhershman1/mondrian-elm
Elm rebuild of my mondrian idea
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https://github.com/filiprd/monet
Online paintings retailer platform implemented in functional Scala 3
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https://github.com/rcardin/raise-scala-example
direct-style error-handling functional-programming raise scala-3
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https://github.com/slava0135/stg-example
Example Haskell program translated to STG and compiled to C
compiler functional-programming haskell lazy-evaluation stg
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https://github.com/dragos-tudor/frontend-rendering
Rewritten React core library [functional principles].
functional functional-components functional-programming react rendering-engine
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https://github.com/ethowitz/sruby
An increasingly less miniature implementation of Ruby in Scala
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https://github.com/foxfriends/svelte-io
IO monad for Svelte
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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/martianoff/gala-team
Multi-agent Claude CLI orchestrator -- a Team Lead delegates to Engineers and QAs, reviews their work, and hands you a PR for sign-off. Written in GALA with gala_tui.
agent-orchestration ai-agents anthropic claude claude-ai claude-code cli developer-tools functional-programming gala multi-agent orchestrator tui
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https://github.com/divyanshu-rawat/a-react-game
A kuch bhi (Game) built using react.js
functional-programming reactjs
Last synced: 09 Apr 2025
https://github.com/dhruvsrikanth/climbingeverestgame
Climb the treacherous Mount Everest in this exciting text-based adventure game! A game through which you can experience a pure (Haskell) climb!
c climbing everest functional-programming game-development games gaming haskell monad text-based-adventure text-based-game trekking
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https://github.com/faylina/witching_hour_chronicles
A witchy blog that utilizes PHP
apache blog functional-programming html-css mariadb mysql php8
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https://github.com/oelin/hyper-reducer
A generalization of reduce() to arbitrary arity.
functional-programming reduce reduction
Last synced: 24 Apr 2026
https://github.com/zhangchiqing/nnmap
Map a function over nullable value
curry functional-programming map nullable
Last synced: 13 Jun 2026
https://github.com/dotpep/restaurant-api
Restaurant API using DRF, with Authentication, Menu, Cart and Order management systems and etc.
api django django-rest-framework drf functional-programming python restaurant
Last synced: 11 May 2026
https://github.com/d-plaindoux/promiseme.js
Monadic promise built on top of Promise/A+ specification
async functional-programming monad
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https://github.com/tymorrow/elm-dist-demo
Compute Levenshtein distance using dynamic programming in Elm
dynamic-programming elm functional-programming levenshtein-distance
Last synced: 06 Jun 2026
https://github.com/rackspace/maybe-result
Safe handling of null and undefined in Typescript and Javascript
fp functional-programming maybe null optional typescript typescript-library undefined
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https://github.com/kamranikramofficial/portfolio
A clean and responsive personal portfolio website built using HTML, CSS, and JavaScript. It showcases my skills, projects, education, and contact information.
cascading-style-sheets css css-flexbox css3 functional-programming fundamentals htmk5 html html-css-javascript hypertext-markup-language intoduction javascript js js5 js6 project
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https://github.com/mateogiuffra/estrd2024s1
trabajos prácticos realizados en la materia Estructura de Datos de la Universidad Nacional de Quilmes (UNQ)
c cpp data data-structures-and-algorithms eficiency functional-programming haskell unq
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https://github.com/luizcalaca/ts-node-joi-api
Typescript API with Joi validations, Express.js and MySQL. The project has the main branch to show the solutions with functions and the change-oop-api-ts to show with Object oriented programming.
api-rest functional-programming joi-validation mysql2 nodejs oop oriented-object-programming programming typescript
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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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https://github.com/victorlga/payment-webhook-handler
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/martianoff/gala-acp
Transport-neutral Agent Communication Protocol for GALA: content-hash message identity, idempotent dedup, a delivery/liveness FSM, and a generic agent-run contract — with a Claude backend.
acp agent-communication-protocol agent-orchestration claude functional-programming gala immutable llm-agents
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https://github.com/rcardin/functional-portfolio
A toy implementation of a portfolio application that uses functional domain modeling and functional programming
cats domain-driven-design functional-programming scala
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https://github.com/gregros/naff
Client-side DOM swiss army knife and switchblade.
dom functional-programming incomplete javascript library package typescript
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https://github.com/yuriykravets/rockpaperscissors
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functional-programming functions
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https://github.com/fullstackjavadevelopercommunity/java8program
Core Java 8 Programs
functional-programming java8 lambda-expressions streams
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https://github.com/sftsrv/parz
A simple parser combinator library
functional-programming gleam gleam-lang parser parser-combinators
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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.
cpp filesystem functional-programming
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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/p7g/some-functional-functions
some haskell-wannabe functions in JS (typescript)
functional-programming javascript typescript
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https://github.com/faylina/spellbound-treasures
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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/sami-ul-haq/xord-myreads
My Reads App For XORD Internship
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https://github.com/nthportal/euler-n-scala
Project Euler Solutions (in Scala)
functional-programming project-euler scala
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https://github.com/dashkite/joy
The simplicity of Lodash with the functional flair of Rambda.
browser functional-programming javascript nodejs
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https://github.com/raiondesu/if-const
New word in javascript conditionals!
conditional esnext functional functional-programming if js library troll-bait typescript
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https://github.com/chriso345/pipette
Functional programming for Python
currying functional-programming monads pipeline pipette pipette-fp python
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https://github.com/paudirac/fsharp-introduction-slides
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https://github.com/ronanyeah/ramda-workshop
FAC Workshop - March 2017
functional-programming javascript ramda
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https://github.com/jumpn/utils-composite
Composite Utilities
array composite functional-programming immutability object
Last synced: 11 Jul 2025
https://github.com/theosorus/syntacticanalyzer
Build a simple Syntactic Analyzer in Haskell to discover Functional programming
functional-programming haskell reverse-polish-notation shunting-yard-algorithm syntaxic-analysis
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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.
brazilian-portuguese data-wrangling functional-programming intermediate pt-br r r-course tidy-data tidyverse workshop workshop-materials
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https://github.com/isaac-alencar/turing_machine_simulation
Turin Machine simulation to add one bit to a binary number
alan-turing computer-science elixir functional-programming
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https://github.com/asterinos1/movie-preference-analyzer
INF424 Project 2025: Movie Preference Analyzer. Big Data analytics tool using Apache Spark, developed in Scala. adhering to functional programming rules.
analytics functional-programming hadoop-hdfs scala spark
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https://github.com/firestone82/mazelib-gui
VŠB-TUO - School project in SKJ
functional-programming gui thinker
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https://github.com/isaquielfernandes/java-functional-programming
Functional Programming
functional-programming java-8 lambda streaming
Last synced: 10 Mar 2025
https://github.com/otbivnoe/haskell-time
Functional programming seems really interesting. Change your imperative mind and take over the world!
functional-programming haskell
Last synced: 06 Oct 2025
https://github.com/NashTech-Labs/fp-scala
functional-programming scala traits
Last synced: 10 Mar 2025
https://github.com/kattulib/yay
[IN DEVELOPMENT] Yay is a functional simple http server
functional-programming http-client http-library http-server scala scala3
Last synced: 24 Mar 2025
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
anonymous-functions console-application csharp csharp-code custom-event custom-events delegates event-handler event-handlers event-handling event-management events functional-programming ilist ilist-interface indexer indexing
Last synced: 17 Mar 2025
https://github.com/aravindraj777/streamdream
A dedicated space for mastering Java Stream API with hands-on workouts and exercises. Exploring the art of functional programming through practical examples and challenges.
functional-programming functionalinterfaces java8-stream lambda-functions streamapi
Last synced: 16 Mar 2025
https://github.com/bertrand31/data-structures-javascript
Collection of data structures implemented in a functional fashion in JavaScript
functional-programming javascript nodejs
Last synced: 28 Apr 2026
https://github.com/upi20/php_oop
OOP PHP Fundamental
functional-programming fundamental oop oop-php php
Last synced: 19 May 2026
https://github.com/kiwamizamurai/miso-numeron
A Bulls and Cows number guessing game built with Haskell and Miso framework, compiled to WebAssembly
functional-programming game haskell miso nix wasm webassembly
Last synced: 21 Apr 2026
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
Last synced: 13 May 2026
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#.
fsh functional-programming pipe-forward python
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https://github.com/courses-at-nju-by-hfwei/learning-haskell
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functional-programming haskell learning-haskell self-learning sicp
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https://github.com/mlanza/proposal-command-syntax
Proposal: Command Syntax for JavaScript
command-query-separation ecmascript fluent-interfaces functional-programming proposals
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https://github.com/moonfloof/CMP6090
Functional Programming - University Coursework/Homework
coursework fsharp functional-programming university
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https://github.com/tsheporamantso/oop-projects
These are practice projects on JavaScript Object Oriented Programming
classes-and-inheritance construtor functional-programming html-css-javascript oop
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https://github.com/f-z/functional_programming
Haskell, Erlang, Reactive functional programming
erlang functional-programming functional-reactive-programming haskell
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https://github.com/zeucxb/alura-functional-js
Curso de javascript funcional da Alura.
functional-programming javascript
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https://github.com/saidali-ibn-zafar/hard-parts-of-functional-js-fundamentals
Explore the increasingly popular paradigm of functional programming in JavaScript! You’ll learn how to wield and manipulate functions to develop more readable, maintainable and manageable codebases. You’ll go under the hood of powerful techniques like: Higher Order Functions, Function Composition, Pure Functions, and Immutability of State.
closure functional-programming functions-javascript higher-order-functions immutability purity
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https://github.com/farynaio/object-dot-notation
Simple object to object dot notation converter in Node.js.
bdd chai chaijs ecmascript2016 es6 functional-programming mocha mochajs node nodejs tdd
Last synced: 06 Jan 2026
https://github.com/subhashchandra-birajdar/java-8-guides
Java 8 Programs, All java features practice
class-conversion concurrent-ex datetime functional-programming lambda-expressions streams string-join
Last synced: 14 Mar 2025
https://github.com/filipondios/something
something functional
fsharp functional-programming haskell ocaml practice
Last synced: 20 Apr 2026
https://github.com/profjordanov/scheme-prolog
'Logical and Functional Programming' & 'Intelligent Systems' practices of courses in University of economics - Varna
economics functional-programming logic scheme university varna
Last synced: 22 Feb 2026