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
- JSON Representation
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
Last synced: 27 Feb 2026
https://github.com/zeucxb/alura-functional-js
Curso de javascript funcional da Alura.
functional-programming javascript
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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
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https://github.com/aleksandarskrbic/functional-rest-api-example
Purely Functional REST API showcase application
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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/dashkite/joy
The simplicity of Lodash with the functional flair of Rambda.
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https://github.com/nkcoder/byronbay
Playground for functional programming with Scala
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https://github.com/faylina/spellbound-treasures
First project utilizing JavaScript to create a shopping cart
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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/isaac-alencar/turing_machine_simulation
Turin Machine simulation to add one bit to a binary number
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https://github.com/iain-s/wizards-within
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Personal Blog
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Sequential code and chained execution of events, handlers, etc.
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https://github.com/i-walker/fp-ts-slides
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https://github.com/kubepay/java-cs-to-enterprise
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All articles published both on Medium or on my blog!
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https://github.com/justdvnsh/func.py
A practical functional library for Python Lovers.
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Examples of some use cases of the doobie library
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https://github.com/blutorange/js-elbe
Utility for working with streams (iterables).
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https://github.com/mahi97/numex-lang
~ The pure functional Interpreter for NUMEX Language Based on Racket
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https://github.com/blackwakhu/introduction-to-functional-programming
introduction to functional programming
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https://github.com/jumpn/utils-composite
Composite Utilities
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https://github.com/imdarshangk/functions
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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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.
ai-coding ai-tools best-practices clean-code code-quality code-review coding-agent developer-tools functional-programming java java-8 java-optional llm llm-agents openai-codex optional optionals refactoring skills tessl
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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/edwyng/ldp-haskell-draft-beers
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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https://github.com/SanTiepi/benoit
Benoît — A programming language where functions are algebra and modules are messages between machines.. Built for human-AI collaboration.
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Clojure's transducers in Scala.
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Code snippets used during the presentation
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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/those-otter-programs/functional_interface_bean_mapper
Sampling the use of functional interfaces to create bean mappers.
functional-interfaces functional-programming h2-database integration-tests java-21 lombok maven spring-boot-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/ethowitz/sruby
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trabajos prácticos realizados en la materia Estructura de Datos de la Universidad Nacional de Quilmes (UNQ)
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Bazel rules, a bzlmod extension, and a gazelle plugin for building, testing, and transpiling the GALA language — plus a Bazel module registry that publishes rules_gala.
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https://github.com/nthportal/euler-n-scala
Project Euler Solutions (in Scala)
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https://github.com/anicolaspp/gnsource
Experimenta Lazy Streams for Go
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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/brunomontezano/r-workshop-intermediario
📚 Course material for the R Intermediate workshop. The website and all presentations are in Brazilian Portuguese.
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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/f-z/functional_programming
Haskell, Erlang, Reactive functional programming
erlang functional-programming functional-reactive-programming haskell
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https://github.com/chriniko13/scala-simple-tutorial
Inspired from official Tour of Scala (https://docs.scala-lang.org/tour/tour-of-scala.html)
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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/uriegel/uwebserver
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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
Last synced: 07 Jun 2026
https://github.com/rcardin/functional-portfolio
A toy implementation of a portfolio application that uses functional domain modeling and functional programming
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https://github.com/maxbarsukov-itmo/functional-programming-0
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Last synced: 27 Apr 2026
https://github.com/neelsomani/smart-cache
A Python library that analyzes your module and automatically caches purely functional sections
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Last synced: 09 Apr 2025
https://github.com/przucidlo/serverless-todo
Feature and infrastructure complete serverless app example.
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https://github.com/tolikpylypchuk/hs-bowling
A library which calculates a bowling score, written in Haskell
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https://github.com/p7g/some-functional-functions
some haskell-wannabe functions in JS (typescript)
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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.
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Last synced: 16 Mar 2025
https://github.com/raiondesu/if-const
New word in javascript conditionals!
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https://github.com/mostfaayoussri/erlang-dw7
📊 Simplify data warehousing in Erlang with this efficient tool designed for seamless integration and analytics.
actor-model automation concurrency database distributed-systems elixir erlang fault-tolerance functional-programming message-passing microservices network-programming real-time scalable web-development
Last synced: 13 Apr 2026
https://github.com/unosd/unofs
UnoFS is a purely functional semantic file system implemented in F#
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Last synced: 05 Jun 2026
https://github.com/wafer-li/scala-coursera
The projects of Functional Programming in Scala
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https://github.com/talesitf/hookinator
Servidor assíncrono de webhooks em OCaml, com foco em programação funcional, modularidade e arquitetura reativa.
async demo functional-programming http-server lwt ocaml sqlite webhook
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https://github.com/xodio/eslint-plugin-xod-fp
Limit the chaos while doing FP in JS
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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/mehmet-github06/pokemon-app
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https://github.com/hamidhosen42/functional-banking-website-js
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https://github.com/firestone82/mazelib-gui
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functional-programming gui thinker
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https://github.com/deepcloudlabs/dcl165-2020-jan-02
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https://github.com/thautwarm/xylearn
the way to fewer tasks and more convincing products.
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https://github.com/recursivelogic/haskell-bot
Haskell Discord bot for the FP Discord server
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https://github.com/darren277/haskell-blockchain
A simple blockchain written in Haskell along with a Haskell web server for interacting with it along with Postgres interactivity.
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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/kanitsharma/io
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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
Last synced: 30 Apr 2026