The functors, applicatives, and monads in pictures tutorial[1] just made so many things click for me. Those are all very very good resources indeed! 1. http://

The functors, applicatives, and monads in pictures tutorial[1] just made so many things click for me. Those are all very very good resources indeed! 1. http://adit.io/posts/2013-04-17-functors,_applicatives,_and_monads_in_pictures.html http://adit.io/posts/2013-04-17-functors,_applicatives,_and_...