Wouldn't this raise the same problems monad comprehensions raise?
The do-notation isn't specific to IO, yet it is the only thing beginners use it for. Do beginners have noticeably more trouble with the do-notation errors than list comprehension errors? As someone who learned Haskell fairly recently, I never really read the compiler errors. I looked for the line number, and whether it was a type error or syntax error. The rest might as well have been Greek, and I was fine with that. Thanks, Greg
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