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: 2026-07-05 00:08:24 UTC
- JSON Representation
https://github.com/turbaszek/haskell-labs
Notes from lectures and Haskell code from labs.
category-theory functional-programming haskell monads
Last synced: 27 Mar 2025
https://github.com/kanitsharma/chikara
Monorepo of Mangaflux's frontend and microservices
functional-programming microservice nodejs ramda reactjs redux redux-most
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https://github.com/sushantpt/understanding_delegates
Code snippets of "Delegates in C#"
csharp delegates dotnet 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/viralpraxis/purist
Automatic runtime impure ruby methods invocation detection
functional-programming purity rspec ruby testing
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https://github.com/rcardin/reader-monad-kotlin
An implementation of the Reader Monad in Kotlin
functional-programming kotlin monad reader-monad
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https://github.com/jungstershark/clojurecipe
ClojuRecipe is a Clojure-based command-line tool that suggests recipes using the Edamam API. It leverages functional programming principles to provide reliable recipe suggestions based on the ingredients you have available.
api clojure command command-line-tool edamam-api functional-programming immutable java leiningen pure-functions recipes
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https://github.com/suddi/knightwatcherbot
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api-gateway aws-lambda claudiajs dynamodb functional-programming nodejs serverless telegram
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https://github.com/wanjinyoo/sml
Functional programinng
currying functional-programming sml
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https://github.com/arduriki/servy
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elixir elixir-lang elixir-language elixir-programming-language functional-programming http http-server iex mix
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https://github.com/davidkhahn/advanced_javascript
Closures & Prototypal Inheritance, Object Oriented Programming, Functional Programming, Asynchronous Javascript, Error Handling, Modules
asynchronous-programming closures error-handling functional-programming javascript modules oop prototypal-inheritance
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This repository hosts various Python scripts that I've created on my journey to master the programming language. Each script contains a README.md file documenting the purpose and features of each script.
anaconda-environment datastructures-algorithms datatypes filehandling functional-programming python3 software-development
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https://github.com/alex11br/myfsharpsnake
Yet another snake game witten in F#. This one has 2 versions: one that runs in the terminal, and a webapp.
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https://github.com/olekscode/montecarlointegration
Scala implementation of sequential and parallel Monte Carlo method for computing a deterministic numerical integration of functions
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https://github.com/kyminbb/it
Iterator building blocks for Go, based on Go 1.23+ iterators
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https://github.com/king-prawns/ramda-sfs
Ramda - Start from scratch
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https://github.com/denisshevchenko/pyerevan2019
Presentation for PYerevan meetup 2019
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cultivate HTML | monadic DOM tree transformer | frontend generation | library & command line tool | Node.js
automation backend command-line-tool domtree dx frontend functional-programming html javascript library monad transformation traversal web-development
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https://github.com/jaandrle/jaajsu
JavaScript Utils
functional functional-programming javascript-utility javascript-utils
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https://github.com/apulbere/lagos
a collection of Java 8+ samples
functional-programming java-10 java-11 java-8 java-9 spock
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C++ turing machine in templates
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https://github.com/prncss-xyz/flua
iterator composition in lua
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https://github.com/bramirez96/functional-state-no-react-exploration
An exploration into persisting state in a functional programming environment, and how one might implement a simple state-driven rendering engine like React with low overhead and specifically defined "hook" subscriptions. Also includes a custom webpack setup that allows for some really clean project architecture and reduced bundle size.
babel functional-programming react state-management webpack
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https://github.com/zinthose/pureshell
"A Python module for impartial computation. Implements the Functional Core, Stateful Shell pattern.
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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.
Last synced: 22 May 2026
https://github.com/salespaulo/poc-refactory
Refactoing code using Lambdas, Funtional Programming and Java 8.
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https://github.com/isaacvando/functionalprogrammingsig
Resources for MCA Functional Programming SIG including Haskell Jupyter notebooks
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https://github.com/shitu13/javascript-projects
This repository contains a collection of JavaScript projects that demonstrate a range of skills and concepts, from fundamental programming principles to advanced web development techniques.
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https://github.com/rcardin/cat-notebook
Notes on Category Theory, taken while trying to understand the Functional Programming
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https://github.com/stereobooster/zipper
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Array extensions for async and concurrent operations.
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https://github.com/xaaria/javastreams_sandbox
Just playing around with Java 8+ Streams
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https://github.com/olaven/fun
Util library for functional programming in Deno
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https://github.com/shivansh/fp-assignments
Assignments done as a part of the course Functional Programming (CS653).
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https://github.com/alejandro945/scala-examples
Combination of object-oriented and functional programming in one concise, high-level language
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https://github.com/xfali/stream
A sequence of data values supporting sequential aggregate operations.
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https://github.com/analyticbastard/dafn
Define asynchronous functions, easy
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https://github.com/georg-wolflein/impartial
A lightweight extension of functools.partial.
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https://github.com/leodiegues/unwrappy
Yet another Rust-inspired Result and Option ergonomics brought to Python, enabling safe, expressive error handling with errors as values.
async either-type error-handling functional-programming maybe-type monads option-type pattern-matching python railway-oriented-programming result-type rust rust-inspired type-hints type-safe
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https://github.com/tkshill/adventofcode
Mega-folder for all Advent of Code solutions
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https://github.com/sdecima/java-nights-fp
Ejemplos de la charla en Java Nights sobre "Programación Funcional y proceso de datos en Java"
functional-programming java java-nights rosario talks
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https://github.com/kodekote/sml_exemplars
Standard ML functions that are of interest
computer-science educational functional-programming ml sml
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https://github.com/gkspranger/throwaway
A Clojure "throwaway" library
clojure functional-programming
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https://github.com/adzz/ex-ample
Repo for Elixir By Example - practical examples of Elixir code
elixir functional-programming learn-elixir learn-to-code learning
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https://github.com/marcinzh/spot
Cats Effect instances for Turbolift
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https://github.com/ferr0s04/feup-pfl
Repository for PFL (Functional and Logical Programming) course of LEIC FEUP, for year 2024-25
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https://github.com/davidboers/ElmEither
Implements the Either declaration in Elm.
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https://github.com/imtjl/fp-euler-project
Introduction to functional programming in Elixir
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https://github.com/slamko/ppx_catch
Ocaml PPX for no-exception error handling
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https://github.com/al333z/reactiveapplication
Master degree thesis on Reactive Programming.
functional-programming reactive-programming
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https://github.com/geekyfox/scheming
Scheming: The journey through functional programming, language design, insobriety and bad jokes
functional-programming garbage-collector lisp literary-programming literate-programming programming-language rant scheme scheme-interpreter
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Convenient functions for SQLServer, MongoDb and Redis databases.
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https://github.com/deepakbhalla/java8-new-features
Examples to cover new features added in Java 8
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Console-based bank management system in C++ featuring file I/O, authentication, and permission levels,etc
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https://github.com/lpld/func-prog-scala
Assignments from the book "Functional programming in Scala": https://www.manning.com/books/functional-programming-in-scala
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https://github.com/supermacro/hangman
Hangman game
functional-programming haskell
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https://github.com/mertturkmenoglu/f-sharp-examples
F# Language Examples
dotnet example-code f-sharp functional-programming training-material
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Gallery example made with plain JavaScript. Styles made with mobile-first approach.
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Little Deep Learning framework in Racket
ai deep-learning functional-programming lisp machine-learning neural-network racket
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A C++ console game for practicing arithmetic with random questions and instant feedback.
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https://github.com/th3n0m4d/project-euler
Project Euler offers a plethora of challenges for those who love math and algorithms.
algorithm-challenges clean-code functional-programming javascript jest mathematics
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https://github.com/victorlga/functional-etl
A functional ETL pipeline in OCaml that processes order data from CSV files hosted online using map, reduce, and filter, producing aggregated results and storing into a database.
etl functional-programming ocaml pipeline
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taking 'programming languages' course
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https://github.com/rexapex/aetherlang
Aether compiler written in Haskell
aether functional-programming haskell programming programming-language
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https://github.com/mtumilowicz/scala-zio2-test-aspects-property-based-testing-workshop
Introduction to test aspects and property based testing.
aspect aspect-oriented aspect-oriented-programming aspects functional-programming polymorphic-functions property-based-testing property-testing scala test testing workshop workshop-materials zio zio-effect zio-test zio2
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https://github.com/clitetailor/tokenize-monster
Yet another powerful tokenizer in js.
functional-programming tokenize tokenizer
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https://github.com/artificial-sapience/clearflow
Correctness-first orchestration for emergent AI. Type-safe, deeply immutable, 100% code coverage.
agentic-ai agentic-framework agentic-workflow agents ai-framework ai-frameworks artificial-intelligence dspy functional-programming immutable large-language-model large-language-models llm llm-agent message-driven mission-critical pocketflow pydantic python type-safety
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https://github.com/bmmunga/terminal-screen
Program reads a binary encoded stream of bytes supplied as input and generates a graphical representation of the bytes in a terminal window.
16-colors 256-colors alcotest ansi-colors bresenham-line-drawing-algorithm cli-app fmt functional-programming monochrome ocaml terminal-based
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https://github.com/calvinlfer/zio-intro-game-solutions
My solutions to the ZIO game
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https://github.com/calvinlfer/dag-validator
A simple Directed Acyclic Graph validator that detects if cycles are present
dag fp functional-programming scala
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https://github.com/oliver021/helppad-net
Versatile .NET Toolkit: A Comprehensive Set of Miscellaneous Helpers, Classes, and Utilities
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https://github.com/cuchi/turmite
Chaotic two-dimensional Turing machine
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https://github.com/thoughtfool/pocket-squatch
A simple game concept to practice design and logic principles within the 2D world. This was a project that was developed in close partnership with my school-age daughter. She is the inspirational project-manager and creative-director that helped guide the development process.
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https://github.com/offensiveedge/urls-le
Zero Hassle URL Extraction & Validation - Extract, validate, and analyze URLs from logs, configs, code, and documentation. Features accessibility checking, link validation, pattern analysis, and comprehensive reporting.
accessibility analysis code configs developer-tools documentation extension extraction functional-programming link-validation logs pattern-analysis productivity typescript url-extraction url-validation urls visual-studio-code vscode vscode-extension
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https://github.com/koheing/stream-executor
functional stream programming library
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https://github.com/corporatepiyush/jhighfun
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https://github.com/ghurtchu/msgflow
:speech_balloon: Persistent Chat Server. Tech used: Scala, Java, PostgreSQL.
asynchronous-programming cats-effect chat concurrency docker doobie fs2 functional-programming http4s java microservices postgresql scala streaming vertx websockets
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https://github.com/droduit/functional-programming
Functional programming @ EPFL
coursera epfl functional-programming scala
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https://github.com/nofate/elm-scoundrel
A roguelike solitaire card game built with Elm, showcasing Cursor AI's capabilities in functional programming projects
card-game cursorai elm functional-programming roguelike solitaire vibe-coding
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https://github.com/bbjubjub2494/conway.sc
Functional Conway's Game of Life implementation using immutable sets
ammonite-scripts conway-game functional-programming lanterna scala
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https://github.com/sacoo7/objective-c-exercises
Exercises to DEEP learn objective C
exercise functional-programming object-oriented-programming objective-c
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unix wc clone
functional-programming scala unix wc
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https://github.com/jtberglund/advent-of-code-2017
My solutions for Advent of Code 2017
advent-of-code advent-of-code-2017 functional-programming javascript ramda
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https://github.com/s3b4s/html-monparser
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functional-programming parser parsing
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https://github.com/srdjan/funcs
List of resources related to functional programming
functional-js functional-programming javascript
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Learning haskell Language solving computer science programming problem. This implies having a better knowledge about how language works and how to understand better how functional languages work.
algorithm computer-science functional-programming haskell math solving-algorithm
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https://github.com/tkshill/elm-rpg-session
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