I didn't think that ease of understanding was necessarily the point. My point was that once you do understand them, it sort of tells you what to do next. That

I didn't think that ease of understanding was necessarily the point. My point was that once you do understand them, it sort of tells you what to do next. That said, in a recent HN post somebody said that the latest version of GHC has better error messages, which I agree would be welcome, but I haven't tried it.