Functional programming is a style of building the structure and elements of computer programs by creating pure functions.
Functional Programming and Reactive Architecture Part 1 | Codurance
https://www.codurance.com/publications/2017/10/19/functional-programming-reactive-architecture-part-1
Web
Functional programming course, EPFL
Viktor Kuncak, Martin Odersky
http://edu.epfl.ch/coursebook/fr/functional-programming-CS-210
MOOC
What is Functional Programming? Tutorial with Example
https://www.guru99.com/functional-programming-tutorial.html
April 8, 2021