Key takeaway

Functional Programming is not a language, it’s a mindset.

• Function is value
• Composite
• Pure function
• Use interface instead of Class

Slide

Problem

Code

Books

Haskell - https://learnxinyminutes.com/docs/haskell/ - http://learnyouahaskell.com/chapters

FP - https://fsharpforfunandprofit.com/fppatterns/