tcfail046.hs:4: No instance for class `PrelBase.Eq' at type `Process a{-r7b-}' tcfail046.hs:4: No instance for class `PrelBase.Eq' at type `Process a{-r7g-}' tcfail046.hs:4: No instance for class `PrelBase.Eq' at type `Process a{-r7b-}' tcfail046.hs:4: No instance for class `PrelBase.Eq' at type `Process a{-r7g-}' tcfail046.hs:23: No instance for: `PrelBase.Eq (Process a{-a11o-})' tcfail046.hs:23: at a use of an overloaded identifier: `PrelBase.==' When checking methods of an instance declaration tcfail046.hs:15: No instance for: `PrelBase.Eq (Process a{-a14I-})' tcfail046.hs:15: at a use of an overloaded identifier: `PrelBase.==' When checking methods of an instance declaration Compilation had errors