{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module GDAL.OGRFieldDefn.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import GDAL.OGRFieldDefn.RawType import STD.Deletable.Interface class (IDeletable a) => IOGRFieldDefn a where upcastOGRFieldDefn :: forall a . (FPtr a, IOGRFieldDefn a) => a -> OGRFieldDefn upcastOGRFieldDefn :: forall a. (FPtr a, IOGRFieldDefn a) => a -> OGRFieldDefn upcastOGRFieldDefn a h = let fh :: Ptr (Raw a) fh = a -> Ptr (Raw a) forall a. FPtr a => a -> Ptr (Raw a) get_fptr a h Ptr RawOGRFieldDefn fh2 :: Ptr RawOGRFieldDefn = Ptr (Raw a) -> Ptr RawOGRFieldDefn forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw OGRFieldDefn) -> OGRFieldDefn forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw OGRFieldDefn) Ptr RawOGRFieldDefn fh2 downcastOGRFieldDefn :: forall a . (FPtr a, IOGRFieldDefn a) => OGRFieldDefn -> a downcastOGRFieldDefn :: forall a. (FPtr a, IOGRFieldDefn a) => OGRFieldDefn -> a downcastOGRFieldDefn OGRFieldDefn h = let fh :: Ptr (Raw OGRFieldDefn) fh = OGRFieldDefn -> Ptr (Raw OGRFieldDefn) forall a. FPtr a => a -> Ptr (Raw a) get_fptr OGRFieldDefn h fh2 :: Ptr (Raw a) fh2 = Ptr RawOGRFieldDefn -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw OGRFieldDefn) Ptr RawOGRFieldDefn fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2