@pajatopmr Just curious, have you looked at Bartosz Milewski’s book on category theory? https://bartoszmilewski.com/2014/10/28/category-theory-for-programmers-the-preface/

Yes, about a week ago. One of my colleagues is planning to read the whole thing. I take it you have got past the preface?

I think I got as far as chapter 3. So not far. But enough to appreciate how valuable it is. Still, Kotlin in FP seemed more promising in terms of immediate value and hands-on practice.