>> Any examples of confusing Haskell compiler errors? I personally haven't seen any memorably confusing compiler errors from Haskell. Have you seen any with Haskell or is that just something you've heard about?

> No, I admit that this was something I read on Ceylon's site (I think) and it's quite possible I'm wrong here.

FTR, I think you might have got mixed up here. Definitely good error reporting is a very major priority for the language, and I think we generally do better than Java at least when generics are involved, but we've never made any comparisons positive or negative to Haskell.