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: 2026-07-02 00:11:57 UTC
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https://github.com/icepanorama/learning-sml

A collection of small programs written as I'm refamiliarizing myself with Standard ML.

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https://github.com/swirrl/functional-rap

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Functional programming is definitely a devil's plot!

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Mädūl is the fun way to write functional code in TypeScript!

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Category theory definitions for the working programmer

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A modern scripting language with an advanced type system, supporting both object-oriented and functional programming paradigms.

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https://github.com/kczulko/fp-in-scala

This project contains my resolutions for the exercises from 'Functional Programming in Scala' book written by Paul Chiusano and Runar Bjarnason.

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Graph handling in Clojure

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Exercises to the book "Functional Programming Using F#" written by Michael R. Hansen and Hans Rischel

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Programming in Erlang 2nd Ed. Book code and practice

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Introduction to scala implicit systems with examples.

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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.

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Functional Programming Class - RWTH Aachen University

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https://github.com/bensimmers/matchly

TypeScript utility for pattern matching in typescript - Inspired by F# match

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Full day Scala workshop.

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https://github.com/borisskert/lazy-stream

A lazy stream implementation with some cool methods known from functional languages

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https://github.com/atomicptr/phonad

Building blocks for functional programming in PHP, inspired by Haskell.

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https://github.com/mtumilowicz/scala-zio2-partially-applied-types-workshop

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https://github.com/scalawilliam/syslog-ac

Scala FS2-IO-UDP syslog server implementation for ActionFPS

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https://github.com/rudxain/fastlisp

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https://github.com/yanm1ng/lodash-rebuild

lodash makes JavaScript easier, so let's rebuild it for fun and practice !!

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https://github.com/simbathesailor/sample-project-react

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https://github.com/kenato254/ts-option

The Option type is a powerful tool for handling values that may or may not be present, inspired by functional programming languages like Rust and Haskell. It provides a type-safe way to avoid common errors associated with null or undefined by explicitly representing the absence of a value.

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https://github.com/rabestro/roman-arabic-calculator

This code is a proof of concept. The calculator can work with both Arabic (1,2,3,4,5 ...) and Roman (I, II, III, IV, V ...) numbers.

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https://github.com/sofisar/c--_playingwithnumbers_spring-2022

This program allows the user to choose to compute all the cousin prime pairs less than a number they input, compute if a number is a perfect number, or quit.

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https://github.com/ayrtonbsouza/elixir-fundamentals-reports-generator

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https://github.com/aaron-creator/java_functional_programming

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https://github.com/markpurser/es6-defender

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https://github.com/jleahred/idata

small tools to reduce mutability and program more functionally with Rust

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https://github.com/willmcpherson2/soop

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https://github.com/hugojosefson/fns

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https://github.com/fonCki/functional-programming

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Monte Carlo approximation of π, written in a functional programming style.

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https://github.com/nshkrdotcom/gepa_ex

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https://github.com/critocrito/namefn

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https://github.com/Shohail-Ismail/Haskell-Texas-HoldEm

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