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GenCannotDoRep0.hs:6:14: Warning:
-XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
GenCannotDoRep0.hs:13:45:
Can't make a derived instance of ‛Generic Dynamic’:
Dynamic must be a vanilla data constructor
In the data declaration for ‛Dynamic’
GenCannotDoRep0.hs:17:1:
Can't make a derived instance of ‛Generic (P Int)’:
P must not be instantiated; try deriving `P a' instead
In the stand-alone deriving instance for ‛Generic (P Int)’
GenCannotDoRep0.hs:26:1:
Can't make a derived instance of ‛Generic (D Char Char)’:
D must not be instantiated; try deriving `D Char b' instead
In the stand-alone deriving instance for ‛Generic (D Char Char)’
GenCannotDoRep0.hs:28:1:
Can't make a derived instance of ‛Generic (D Int a)’:
D must not have a datatype context
In the stand-alone deriving instance for ‛Generic (D Int a)’
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