The Monad Challenges are, I think, set up to give you the needed headache. They're helping me, that's for sure. http://mightybyte.github.io/monad-challenges/ ht

The Monad Challenges are, I think, set up to give you the needed headache. They're helping me, that's for sure. http://mightybyte.github.io/monad-challenges/ http://mightybyte.github.io/monad-challenges/