On Wed, Apr 13, 2016 at 11:41:10AM -0500, Christopher Allen wrote:
On Apr 13, 2016, at 11:38 AM, Dan Burton wrote:
Presumably the reason for using hugs is friendlier error messages for new Haskellers, or something of the sort?
That's not the real reason and the errors aren't better.
Indeed not the real reason (he wants/ed something that didn't change often -- hugs, a haskell 98 interpreter, apparently fits his bill), but I think there is some value in Hugs error reporting (tabular, slightly more concise, expression-to-type instead of type-to-expression). I think there was even a discussion on Trac but now I cannot fish it. λ> and True <interactive>:23:5: Couldn't match expected type ‘t0 Bool’ with actual type ‘Bool’ In the first argument of ‘and’, namely ‘True’ In the expression: and True Hugs> and True ERROR - Type error in application *** Expression : and True *** Term : True *** Type : Bool *** Does not match : [Bool]