ghc: module version changed to 1; reason: no old .hi file _interface_ ShouldSucceed 1 _instance_modules_ IO PrelAddr PrelArr PrelBounded PrelCCall PrelForeign PrelNum _exports_ ShouldSucceed f H(:H :H op1); _instances_ instance {H PrelBase.Bool} = $d1; _declarations_ 1 $d1 _:_ {H PrelBase.Bool} ;; 1 class H a where {op1 :: a -> a -> a} ; 1 f _:_ PrelBase.Bool -> PrelBase.Int -> PrelBase.Bool ;;