FP - Another valuable article about Functor Jun 16, 2018 loginacrocontext, email, display_nameacrocontext, first_name, last_name http://nikgrozev.com/2016/03/14/functional-programming-and-category-theory-part-1-categories-and-functors/\ http://nikgrozev.com/2016/04/11/functional-programming-and-category-theory-part-2-applicative-functors/