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Simon Peyton Jones authored
The main change is in TypeRep.pprTheta, so we print Eq a for a singleton, but (Eq a, Show a) for multiple constraints. There are lots of trivial knock-on changes to error messages
da9b2ec3
The main change is in TypeRep.pprTheta, so we print Eq a for a singleton, but (Eq a, Show a) for multiple constraints. There are lots of trivial knock-on changes to error messages