This is great imo -- https://www.adit.io/posts/2013-04-17-functors,_applicatives,_and_monads_in_pictures.html https://www.adit.io/posts/2013-04-17-functors,_app

This is great imo -- https://www.adit.io/posts/2013-04-17-functors,_applicatives,_and_monads_in_pictures.html https://www.adit.io/posts/2013-04-17-functors,_applicatives,...