import DataCon ( DataCon, mkDataCon, dataConWorkId, dataConSourceArity )
import Var ( TyVar, tyVarKind )
import TyCon ( TyCon, AlgTyConRhs(DataTyCon), tyConDataCons,
import DataCon ( DataCon, mkDataCon, dataConWorkId, dataConSourceArity )
import Var ( TyVar, tyVarKind )
import TyCon ( TyCon, AlgTyConRhs(DataTyCon), tyConDataCons,