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1. DerivErrMustHaveSomeParameters :: TyCon -> DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   The given data type must have some parameters.

2. DerivErrMustNotHaveClassContext :: TyCon -> ThetaType -> DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   The given data type must not have a class context.

3. DerivErrNewtypeNonDeriveableClass :: DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   No documentation available.

4. DerivErrNoConstructors :: TyCon -> DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   The given (representation of the) TyCon has no data constructors.

5. DerivErrNoEtaReduce :: Type -> DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   The instance type | We cannot derive instances in boot files

6. DerivErrNoFamilyInstance :: TyCon -> [Type] -> DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   No documentation available.

7. DerivErrNotAClass :: PredType -> DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   The given PredType is not a class.

8. DerivErrNotDeriveable :: DeriveAnyClassEnabled -> DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   No documentation available.

9. DerivErrNotStockDeriveable :: DeriveAnyClassEnabled -> DeriveInstanceErrReason

   ghc	GHC.Tc.Errors.Types

   No documentation available.

10. DerivErrNotWellKinded :: TyCon -> Kind -> Int -> DeriveInstanceErrReason

    ghc	GHC.Tc.Errors.Types

    The typeclass instance is not well-kinded.

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