Functional programming has been around for the last 60 years, but so far it’s always been a niche phenomenon. Although game-changers like Google rely on its key concepts, the average programmer ...

When a development project demands functional programming, there are many options available to the development team, from purely functional languages to multi-paradigm languages like C# and F#.

According to Sperber, functional programming enables late architecture and reduces coupling compared to OOP. In order to defer macroarchitecture decisions, we must always decouple, Sperber argued.