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: 2026-07-01 00:11:49 UTC
- JSON Representation
https://github.com/foxfriends/svelte-io
IO monad for Svelte
fantasy-land functional-programming monad svelte
Last synced: 21 Apr 2026
https://github.com/martianoff/rules-gala
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.
bazel bazel-registry bazel-rules build-system bzlmod functional-programming gala gala-lang gazelle go golang programming-language starlark toolchain transpiler
Last synced: 05 Jun 2026
https://github.com/anicolaspp/nsource
A composable library for collections
academia functional-programming lazy-loading streams
Last synced: 22 Apr 2026
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/danieljharvey/website-face
Hakyll site for danieljharvey.github.io about mostly Haskell shit at the moment.
blog functional-programming hakyll haskell learning
Last synced: 24 Apr 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
Last synced: 25 Apr 2026
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
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
cats domain-driven-design functional-programming scala
Last synced: 07 Jun 2026
https://github.com/milaziabchenko/vanilla-javascript-playground
JavaScript theory and code snippets, using functional and OOP, prototypes, higher-order array methods, regular expressions, DOM, events, and asynchronous JS
async-await asynchronous-javascript axios dom-events dom-manipulation esnext fetch-api functional-programming higher-order-functions http-requests oop promises prototypes regular-expressions vanilla-javascript
Last synced: 07 Jun 2026
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/jyothsnasrinivas/eta-android-interop
Utilities for interoperating with Android
android eta functional-programming haskell
Last synced: 28 Apr 2026
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/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
Last synced: 28 Apr 2026
https://github.com/hamidhosen42/functional-banking-website-js
functional-banking-website-js
functional-programming html html5 javascript tailwind-css
Last synced: 29 Apr 2026
https://github.com/thautwarm/xylearn
the way to fewer tasks and more convincing products.
concurrency csharp functional-programming machine-learning toolbox
Last synced: 29 Apr 2026
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.
blockchain functional-programming haskell postgres
Last synced: 29 Apr 2026
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
Last synced: 29 Apr 2026
https://github.com/woutervanbakel/try
Try class for C++
cpp cpp11 functional-programming try
Last synced: 08 Jun 2026
https://github.com/sash-ua/gen_drift_monad-ts_a4
The simple web application Modeling Genetic drift. Used: Angular4 + Angust+ TypeScript, Angular material, Rollup, D3, HammerJS, SCSS, Gulp, HTML5, CSS3.
angular functional-programming js monad-ts redux redux-store state-machine typescript
Last synced: 29 Apr 2026
https://github.com/rtorr/ts-fp
Typescript, eslint-plugin-fp, and vscode example
functional-programming typescript vscode
Last synced: 30 Apr 2026
https://github.com/qard/potentially
A maybe/option type implementation with separate derived types to reduce branching
fp functional-programming maybe monad nodejs option
Last synced: 30 Apr 2026
https://github.com/kczulko/astar
A* algorithm
algorithm functional-programming monad-transformers monads referentially-transparent scala
Last synced: 01 May 2026
https://github.com/sgbasaraner/aoc2018
my advent of code 2018 solutions
advent-of-code advent-of-code-2018 algorithm algorithm-challenges functional-programming haskell haskell-exercises
Last synced: 01 May 2026
https://github.com/oniani/purity
A collection of various algorithms and data structures
algorithms data-structures functional-programming haskell
Last synced: 08 Jun 2026
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
Last synced: 01 May 2026
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
Last synced: 08 Jun 2026
https://github.com/tricinel/cuddy
An aggregation pipeline built in a functional programming style that lets you search, group, order and transform a collection.
aggregation functional-programming javascript pipeline query-builder search typescript
Last synced: 01 May 2026
https://github.com/running-grass/grass-js
自用的js库
browser functional-programming javascript js library nodejs
Last synced: 01 May 2026
https://github.com/quacksouls/jaf
Adventures in functional JavaScript
functional-programming javascript
Last synced: 01 May 2026
https://github.com/riiswa/scala2haskell
A detailed comparison between the programming languages language and Haskell by presenting equivalent code.
functional-programming haskell scala
Last synced: 01 May 2026
https://github.com/zhongzc/gparser
A naive parser combinator library
functional-programming parser parser-combinators parser-library python python3
Last synced: 02 May 2026
https://github.com/JunggiKim/java-refined
Refinement and functional value types for Java 8+
functional-programming java java8 maven-central non-empty refinement-types validation
Last synced: 02 May 2026
https://github.com/stuartdaniells/portfolio-website
React
ajax functional-programming react state-management
Last synced: 03 May 2026
https://github.com/arodriguezfontana/functional-programming-unq
Prácticas realizadas para Programación Funcional de la UNQ.
Last synced: 04 May 2026
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
Last synced: 09 Jun 2026
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
Last synced: 05 May 2026
https://github.com/ryanhill1/command-line-checkers
Checkers with AI.
ai checkers functional-programming game game-tree ocaml
Last synced: 09 Jun 2026
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
Last synced: 05 May 2026
https://github.com/ethern-myth/spring-postgres
Java SpringBoot PostgreSQL RestAPI
functional-programming generics java jpa-hibernate oop postgresql springboot
Last synced: 06 May 2026
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
Last synced: 09 Jun 2026
https://github.com/ildella/pipelean
A pragmatic library for sequential async operations with first-class error handling.
function-composition functional-programming javascript javascript-library
Last synced: 06 Jun 2026
https://github.com/sseffa/functional-programming
functional-programming haskell
Last synced: 10 Jun 2026
https://github.com/spacesoldier/starty
a lightweight framework which helps building modular and configurable Node.js applications
ddd functional-programming javascript nodejs rapid-development rapid-prototyping rest-api
Last synced: 07 May 2026
https://github.com/ari-s-123/pdp-hw3
A cli tool built with Bun, TypeScript, and Functional Programming to process listings files from the AirBnB Get the Data page.
airbnb bun cli csv fast-csv functional-programming json typescript
Last synced: 07 May 2026
https://github.com/aayushyadavz/todo-app-react
Built a ToDo App using React JS.
components functional-programming reactjs usestate-hook
Last synced: 08 May 2026
https://github.com/erikmueller/slackoverflow
Private blog & cv
blog elixir functional-programming javascript typescript
Last synced: 08 May 2026
https://github.com/rbaltrusch/stream.lua
A lazy iterator-chaining library for Lua similar to the Java Stream API
fp functional-programming iterator-chaining iterator-functions iterator-library iterators lua stream streams streams-api
Last synced: 10 Jun 2026
https://github.com/rjdestigter/lazy-reducers-example
An example of using the IO Monad to lazily inject reducers into the Redux store
functional-programming io-monad reactjs redux
Last synced: 11 Apr 2026
https://github.com/antoniomdk/99-scala-problems
My own solutions to 99 Scala Problems.
99problems functional-programming problem-solving scala solutions
Last synced: 10 May 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/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
Last synced: 12 May 2026
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
Last synced: 12 May 2026
https://github.com/alex-aralis/yank-down
Yank a curried parameter down to be the first argument passed.
browser client-side currying functional-programming javascrit nodejs npm npm-package server-side
Last synced: 13 May 2026
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
Last synced: 13 May 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/f-z/functional_programming
Haskell, Erlang, Reactive functional programming
erlang functional-programming functional-reactive-programming haskell
Last synced: 13 May 2026
https://github.com/dboyliao/learnhaskell
Notes and codes for learning Haskell.
Last synced: 13 May 2026
https://github.com/uriegel/uwebserver
A web server based on F# and .NET Core
fsharp functional-programming http-server
Last synced: 13 May 2026
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
Last synced: 14 May 2026
https://github.com/lichaojacobs/my_util_lib
工作中总结的公共类库、小工具,用来提高工作效率以及代码整洁度
functional-programming java-utilities java8 utils
Last synced: 14 May 2026
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.
dart date-fns date-manipulation flutter functional-programming immutable performance tree-shaking
Last synced: 12 Jun 2026
https://github.com/asarkar/hackerrank-fp-haskell
Functional Programming code challenges on HackerRank
functional-programming hackerrank hackerrank-challenges hackerrank-haskell hackerrank-solutions haskell
Last synced: 13 Jun 2026
https://github.com/yeonsolkim/fp-lean-print
Print layout helpers for generating a Letter-size PDF of Functional Programming in Lean
chrome-printing functional-programming lean lean4 pagedjs pdf print-css typography
Last synced: 16 Jun 2026
https://github.com/saber2pr/fp
:heavy_minus_sign: A library for Javascript in functional programing in async | sync | lazy.
async functional-programming lazy typescript
Last synced: 17 Jun 2026
https://github.com/guiromao/some-functional-programming-java
Some functional programming (main Java interfaces for such)
Last synced: 18 Jun 2026
https://github.com/sblack4/functional-programming-in-scala
https://www.coursera.org/specializations/scala
functional-programming jvm scala
Last synced: 19 Jun 2026
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
Last synced: 22 Jun 2026
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
Last synced: 23 Jun 2026
https://github.com/fabiannorbertoescobar/lambdas-streams-java-ejercicios
Programación funcional en Java con Lambdas y Streams
functional-interfaces functional-programming java java-8 lambda lambda-functions optional streams testing
Last synced: 23 Jun 2026
https://github.com/aygp-dr/lazy-weekends
A chill, 8-week Haskell learning journey designed for busy people who want to explore functional programming without the pressure.
beginner-friendly education functional-programming haskell tutorial
Last synced: 23 Jun 2026
https://github.com/miomit/jscalculator
calculator functional-programming html html5 js
Last synced: 24 Jun 2026
https://github.com/pedrovinhas/recursos-funcionais-js
🎓 Trabalho desenvolvido durante a cadeira de Paradigmas de Linguagem de Programação no curso de Ciência da Computação
college-assignment functional-programming javascript
Last synced: 25 Jun 2026
https://github.com/vevdokimovm/polymorphic-vector-cpp
C lab: runtime-polymorphic vector with generic Map and Filter higher-order functions
c functional-programming higher-order-functions polymorphism
Last synced: 27 Jun 2026
https://github.com/rajasegar/effpy
My own Functional Programming utilities in Javascript
functional-js functional-programming javascript
Last synced: 28 Jun 2026
https://github.com/mtumilowicz/scala-cats-implicit-workshop
Introduction to scala implicit systems with examples.
cats cats-core fp functional-programing functional-programming functional-programming-examples functional-programming-in-scala implicits monad scala typeclass-instances typeclasses workshop-materials workshops
Last synced: 16 Aug 2025
https://github.com/monban/fp
Collection of functional programming constructs for Go
functional-programming go golang
Last synced: 28 Mar 2025
https://github.com/raboro/sorting-algorithms-in-haskell
Most common sorting algorithms implemented in Haskell (Quicksort, InsertionSort, MergeSort, BubbleSort, HeapSort, SelectionSort, Radixsort, Bucketsort and Shellsort)
functional-programming haskell sorting-algorithms sorting-algorithms-implemented
Last synced: 28 Mar 2025
https://github.com/asarkar/book-of-monads
Book of Monads
functional-programming haskell monad
Last synced: 19 Jul 2025
https://github.com/nihadamirov/holbertonschool-low_level_programming
C - Programming Language
algorithms c-programming-language data-structures functional-programming malloc recursion shell
Last synced: 17 May 2026
https://github.com/haskyll/haskyll.github.io
Beginner's guide to Haskell
documentation functional-programming haskell jekyll jekyll-theme programming ruby
Last synced: 09 Mar 2026
https://github.com/badeend/nothing
If you want to use `void` as a type parameter, but C# won't let you...
csharp functional-programming hack unit
Last synced: 23 Jun 2025
https://github.com/rodrigo-sp17/learning-scala
Functional programming in Scala, as part of https://www.coursera.org/learn/progfun1
Last synced: 16 Aug 2025
https://github.com/matheusphalves/functional-programming-paradigm
This repository will show to you how functional paradigm works in a feel examples: implementation of Data structures, high order functions and other functional functions.
functional-programming functions imutability kotlin
Last synced: 18 Jul 2025
https://github.com/primeeagle/sonata
A modern scripting language with an advanced type system, supporting both object-oriented and functional programming paradigms.
functional-programming interpreted-programming-language object-oriented-programming programming-language scripting-language
Last synced: 17 Feb 2026
https://github.com/eminencegrs/fp-in-fs
Exercises to the book "Functional Programming Using F#" written by Michael R. Hansen and Hans Rischel
dotnet fsharp fsharp-exercises fsharp-practice fsharp-samples functional-programming
Last synced: 17 Feb 2026
https://github.com/thom2503/haskell-practicum
practicum haskell - hogeschool rotterdam
functional-programming haskell rsa-encryption
Last synced: 05 Oct 2025
https://github.com/gcosta0410/y3s1-pfl-functional-and-logic-programming
Year: 3rd (BSc), Semester: 1st, Course: Functional and Logic Programming (PFL)
functional-programming haskell logical-programming prolog
Last synced: 05 Oct 2025
https://github.com/glbter/scala-functional-programming
course by Olha Mazhara
Last synced: 12 Jun 2026
https://github.com/tom-weatherhead/atrocity
A Scheme interpreter implemented in C.
c functional-programming garbage-collection repl scheme scheme-interpreter scripting-language
Last synced: 17 Aug 2025
https://github.com/tmohamedashraft/scala_rule_engine
This Scala ETL pipeline processes transaction CSV files by applying discounts and calculating final prices using pure functional programming principles. The transformed data is then loaded into an Oracle database, demonstrating end-to-end data processing with type safety and immutability.
etl functional-programming oracle-database sbt scala
Last synced: 17 Aug 2025
https://github.com/aaronlelevier/programming-in-erlang-2nd-ed-book-code
Programming in Erlang 2nd Ed. Book code and practice
erlang functional-programming learning
Last synced: 17 May 2026
https://github.com/nohomey/prolog-interpreter
Basic Prolog interpreter written in Haskell for the Functional programming course in univeristy (FMI at SU)
functional-programming haskell monads-usage prolog-interpreter
Last synced: 17 Jul 2025
https://github.com/noyzys/nautchkafe-scylladb
Lightweight, functional, modular, and flexible way to interact system built with ScyllaDB
database database-management fp functional-programming java mysql postgresql relational-databases scylla scylladb sql sql-query sqlalchemy
Last synced: 30 Oct 2025
https://github.com/palutz/scalashoppingbasket
A simple shopping basket in Scala, with an idiomatic approach...
Last synced: 17 Aug 2025
https://github.com/priontoabdullah/pin-matcher-vault-otp
🔢 An OTP pin generator system. 📛 Live demo: https://priontoabdullah.github.io/Pin-matcher-vault-OTP/ 🙌
code-generator functional-programming javascript logic-programming
Last synced: 15 Jul 2025
https://github.com/aliariff/fp19
Functional Programming Class - RWTH Aachen University
functional-programming haskell
Last synced: 05 Oct 2025
https://github.com/lapets/course-programming-languages
Lecture notes, assignments, and other materials for a one-semester course on programming language concepts and theory, interpretation and compilation, and programming paradigms.
bnf compilers functional-programming interpreters lecture-notes parsing programming-languages static-analysis syntax type-checking type-systems
Last synced: 14 Jul 2025