The worst thing to do when learning Haskell is to think that you will be comfortable in just a week. Learning Haskell for most is like relearning to program. It

The worst thing to do when learning Haskell is to think that you will be comfortable in just a week. Learning Haskell for most is like relearning to program. It takes time to build up intuition and understanding of the language. I know that it took me multiple tries at Haskell over a few months before it finally "clicked" for me and became comfortable to work in.