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ghc-lib-parser GHC.Tc.Errors.Types No documentation available.
DerivErrLangExtRequired :: Extension -> DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types No documentation available.
DerivErrLastArgMustBeApp :: DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types Last arg must be newtype or data application
DerivErrMustBeEnumType :: TyCon -> DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types The given TyCon must be an enumeration. See Note [Enumeration types] in GHC.Core.TyCon
DerivErrMustHaveExactlyOneConstructor :: TyCon -> DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types The given TyCon must have precisely one constructor.
DerivErrMustHaveSomeParameters :: TyCon -> DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types The given data type must have some parameters.
DerivErrMustNotHaveClassContext :: TyCon -> ThetaType -> DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types The given data type must not have a class context.
DerivErrNewtypeNonDeriveableClass :: DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types No documentation available.
DerivErrNoConstructors :: TyCon -> DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types The given (representation of the) TyCon has no data constructors.
DerivErrNoEtaReduce :: Type -> DeriveInstanceErrReasonghc-lib-parser GHC.Tc.Errors.Types The instance type | We cannot derive instances in boot files