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1. DeriveLift :: Extension

   template-haskell	Language.Haskell.TH.LanguageExtensions

   No documentation available.

2. DeriveTraversable :: Extension

   template-haskell	Language.Haskell.TH.LanguageExtensions

   No documentation available.

3. data DerivEnv

   ghc	GHC.Tc.Deriv.Utils

   Contains all of the information known about a derived instance when determining what its EarlyDerivSpec should be. See Note [DerivEnv and DerivSpecMechanism].

4. DerivEnv :: Maybe OverlapMode -> [TyVar] -> Class -> [Type] -> DerivContext -> SkolemInfo -> Maybe (DerivStrategy GhcTc) -> Maybe (WarningTxt GhcRn) -> DerivEnv

   ghc	GHC.Tc.Deriv.Utils

   No documentation available.

5. DerivErrBadConCovariant :: DataCon -> DeriveInstanceBadConstructor

   ghc	GHC.Tc.Errors.Types

   The given DataCon must not use the type variable in a function argument"

6. DerivErrBadConExistential :: DataCon -> DeriveInstanceBadConstructor

   ghc	GHC.Tc.Errors.Types

   The given DataCon must be truly polymorphic in the last argument of the data type.

7. DerivErrBadConFunTypes :: DataCon -> DeriveInstanceBadConstructor

   ghc	GHC.Tc.Errors.Types

   The given DataCon must not contain function types

8. DerivErrBadConHasConstraints :: DataCon -> DeriveInstanceBadConstructor

   ghc	GHC.Tc.Errors.Types

   The given DataCon has constraints in its type.

9. DerivErrBadConHasExistentials :: DataCon -> DeriveInstanceBadConstructor

   ghc	GHC.Tc.Errors.Types

   The given DataCon has existentials type vars in its type.

10. DerivErrBadConHasHigherRankType :: DataCon -> DeriveInstanceBadConstructor

    ghc	GHC.Tc.Errors.Types

    The given DataCon has a higher-rank type.

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