Ah, but here you seem to be talking about when to write 'in'. Reading it is much simpler: Just ignore that it's there, and voilà, you're set. (I'm an experienc

Ah, but here you seem to be talking about when to write 'in'. Reading it is much simpler: Just ignore that it's there, and voilà, you're set. (I'm an experienced OCaml dev and := versus <- trips me up from time to time when choosing which one to write, but not when reading code.)