Too Long; Didn't Read
When I first heard of functional programming (FP) I thought it’s another over-hyped thing that no one needs. I lived in my happy object-oriented world and didn’t think that there is something I should change. It wasn’t until I saw <a href="https://www.youtube.com/watch?v=7Zlp9rKHGD4" target="_blank">very convincing video</a> where Uncle Bob described why FP is so important.