This example might not be considered the purest form of functional programming, but it utilizes key functional characteristics such as “first-order functions.” ...

This small example shows why functional programming works exceptionally well in web server applications due to their nature of handling well-defined input and output transformations.

Michael Sperber spoke about software architecture and functional programming at OOP 2023 Digital. Sperber gave the example of dividing up the system’s code among its building blocks.