testsuite/tests/generics/GenCannotDoRep1_4.stderr


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GenCannotDoRep1_4.hs:8:34: error: [GHC-30367]
    • Can't make a derived instance of ‘Generic1 T’:
        Constructor ‘T’ applies a type to an argument involving the last parameter
                        but the applied type is not of kind * -> *
    • In the data declaration for ‘T’