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: 2026-06-27 00:11:42 UTC
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https://github.com/admodev/baldor-lang
Algebraic and mathematical programming language, made with PYTHON.
algebra functional-programming language mathematical-programming mathematics programming-language
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https://github.com/lenguyenthanh/scalachess-tests
Keep scalachess honest
chess chess-programming fs2 functional-programming scala scala-cli typelevel
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a tool to identify duplicate files
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calculator compiler functional-programming i-wish-i-was-lisp interpreter oneliner shunting-yard
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Some algorithm features in addition to LINQ.
algorithms csharp dotnet-standard functional-programming linq
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https://github.com/mooseman/minifpl
A lexer (and soon a parser and interpreter) for a small functional programming language. Public domain.
functional-programming public-domain unlicense
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https://github.com/davidgfolch/shop
Customer & order management
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arrow arrow-core arrow-kt arrow-optics coroutines declarative-lang declarative-programming dyescape functional-programming gradle gradle-plugin jdk17 jdk19 jvm kotlin kotlin-symbol-processing kotlin-symbol-processor maven-plugin
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https://github.com/rabestro/dicechess-engine-scala
High-performance parallelized Expectimax game engine and probability calculator for Dice Chess, written in Scala 3.
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https://github.com/fitter0happier/lambda_parser
Lambda Calculus parser
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https://github.com/kdungs/go-result
Result types for Go; because (T, error) can be considered a ✨ monad ✨.
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📦 The functional files manipulation library Scala was missing
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https://github.com/pashashiz/scanet
Neural Networks for Scala
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https://github.com/monashcoding/intro-to-haskell
Introduction to Haskell Workshop
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https://github.com/endygamedev/learn-haskell
λ Haskell and Lambda Calculus.
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https://github.com/mattiamtzlr/epfl-cs214-course
Course notes for EPFL CS-214: Software Construction
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Pass around c++ fns and methods, get performance
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Generate random chess position/perft
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Sudoku solver in Racket for any board size (including hexadoku & larger), built without constraint solvers or mutations. It solves any legal puzzle and detects invalid ones.
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https://github.com/prabhakar-naik/python-core
learn python core concepts
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https://github.com/rieselhilfe/sofunlang
An Interpreter for my language "Sofun" (Stack-Oriented FUNctional programming language) written in haskell. Now with a basic type system.
esoteric-language functional-programming haskell interpreter programming-language repl sofun stack-based
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https://github.com/unosd/resultmonad
C# implementation of the result and other monads with query syntax support and extensions for Tasks and IEnumerable
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https://github.com/marcosh/effector
A Php library to write effect aware code.
effect effects functional functional-programming php php-7 php-library side-effect
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https://github.com/karmakaze/monadts
Fun with flatMap - Now I know My ADTs (or How to Learn Monads by Accident)
flatmap fun functional functional-programming monad monads
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https://github.com/rcdilorenzo/tictactoe
A reinforcement learning algorithm with a touch of functional programming
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https://github.com/tanbirhossain/fsharp-learn
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https://exercism.org/tracks/haskell
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https://github.com/primeeagle/concerto
A modern programming language with an advanced type system, supporting both object-oriented and functional programming paradigms.
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https://github.com/sigurd4/fn_zip
Provides a zip trait for functions, allowing two functions to be combined at compile-time before being called.
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https://github.com/sumanjitsg/redistil
A minimalist Redis re-implementation in Elm, bringing the power of functional programming to Redis interactions.
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https://github.com/epicallan/p2h-ui
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Code examples illustrating different programming paradigms: Object-Oriented Programming (OOP), Procedural Programming (PP), and Functional Programming (FP).
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api bootstrap dom-manipulation functional-programming html-css-javascript responsive try-catch
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https://github.com/icepanorama/learning-sml
A collection of small programs written as I'm refamiliarizing myself with Standard ML.
functional-programming sml standard-ml
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https://github.com/p-obrthr/functional-csharp
functional experimentation with C#
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LINQ/monadic extensions for async operations in .net
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https://github.com/hecdelatorre/programacionfuncionalagenda
Proyecto realizado en netbeans 12 con jdk 11
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Introduction to recursion schemes (WIP)
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Unlock the Power of JavaScript: A Comprehensive Collection of Detailed Modules from Scalar Topics'. This repository serves as a centralized hub for all the notes and concepts I've compiled throughout my journey in mastering JavaScript, ensuring a seamless learning experience.
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https://github.com/rafaelvicio/pokedex-rxjs
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https://github.com/kanitsharma/elm-giphy
Single Page Application with Elm Architecture
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https://github.com/zpnst/lisp-lectures
My first steps in Common Lisp. Code from the lectures on YouTube with my comments
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Brings support for piping to JavaScript, with full TypeScript integration
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https://github.com/f-z/functional_programming
Haskell, Erlang, Reactive functional programming
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https://github.com/youstinus/toolsgo
Tools with utilities, transformers, generators and other useful functions.
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https://github.com/wking-io/lemonade
Composable AJAX requests that return a Future Data Type
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https://github.com/zerone0x/haskell99
Haskell 99 to help me learn functional promgramming
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A web server based on F# and .NET Core
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Remeda-based fork of updeep
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Logic Circuit Simulator taking into account the time delay of the logic gates
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Emacs mode for editing https://github.com/Aearnus/charm files.
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https://github.com/articulate/progress
Cheap, functional, terminal progress bar
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https://github.com/meysam81/interpreter-for-numex
This project has to do with NUMEX (Number-Expression Programming Language). NUMEX programs are written directly in Racket by using the constructors defined by the structs defined
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https://github.com/kimpro82/myfunctionalprogrammingpractice
Functional programming is definitely a devil's plot!
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NPM module to perform object to object mapping using reusable, composable filter functions (https://www.npmjs.com/package/object-to-object-mapper)
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https://github.com/bsgbryan/madul
Mädūl is the fun way to write functional code in TypeScript!
async bun fun functional functional-programming module module-system typescript typescript-library
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https://github.com/lucashnss/if686-programming-languages-paradigms-functional
This repository is for lists, exercises, data structures and more in the programming-languages-paradigms course (IF686) in CIN-UFPE learning Haskell, a function language.
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List Processor
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A forms-building library
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https://github.com/talesitf/hookinator
Servidor assĂncrono de webhooks em OCaml, com foco em programação funcional, modularidade e arquitetura reativa.
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https://github.com/shubhangdutta96/neetcode_150
This repository contains a collection of Data Structures and Algorithms implemented in Scala, utilizing the principles of functional programming. The aim is to provide efficient and clean solutions for common computational problems. In addition, this repository includes solutions to the NeetCode 150 DSA problems series.
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https://github.com/shuddha2021/scalataskmanager
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functional-programming priority-scheduling recurring-tasks scala simple-tasks task-management-app task-management-system task-manager to-do-list
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Some Leetcode DP solutions in Scala made by me
dp dynamic dynamic-programming functional functional-programming programming scala
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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.
a7mdfre7at csharp data-structures dotnet dotnet-core functional-programming list masterly non-empty non-empty-collections scala-list-like
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https://github.com/kubukoz/zio-demo
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https://github.com/meragix/calx
⏱️ A lightweight, immutable, and fully tree-shakeable date manipulation library for Dart & Flutter. Functional-first core with zero-allocation opt-in extensions.
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https://github.com/aryaghan-mutum/algorhythms
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algorithms computer-science cryptography data-structures functional-programming graph-algorithms lisp mathematics number-theory racket searching-algorithms software-engineering sorting-algorithms tree-algorithms
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https://github.com/rsrini7/myelmresume
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https://github.com/iosialectus/haskellcipherplay
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https://github.com/scalateams/scalateams-claude-plugin
Specialist Claude Code agents for the Scala ecosystem — ZIO, Pekko, Cats Effect, build tools, codecs, HTTP, databases, and testing.
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https://github.com/dominicegginton/functional-reader
A purely functional, dependency-free dependency injection library for TypeScript based on the Reader Monad.
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https://github.com/packquickly/little_lambda
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A simple, lightweight, Maybe implementation in JavaScript.
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