I've noticed the same. Partly, the need to maintain a complete mental model is obviated by the fast-iterating IDE (ie. a try-it-and-see approach) and comments.

I've noticed the same. Partly, the need to maintain a complete mental model is obviated by the fast-iterating IDE (ie. a try-it-and-see approach) and comments. Haven't tried this frontend yet but it seems a good match to the structure of abstraction.