{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies, MultiParamTypeClasses, OverlappingInstances, IncoherentInstances #-} module GDAL.OGRGeometry.Cast where import Foreign.Ptr import FFICXX.Runtime.Cast import System.IO.Unsafe import GDAL.OGRGeometry.RawType import GDAL.OGRGeometry.Interface instance (IOGRGeometry a, FPtr a) => Castable (a) (Ptr RawOGRGeometry) where cast :: forall r. a -> (Ptr RawOGRGeometry -> IO r) -> IO r cast a x Ptr RawOGRGeometry -> IO r f = Ptr RawOGRGeometry -> IO r f (Ptr (Raw a) -> Ptr RawOGRGeometry forall a b. Ptr a -> Ptr b castPtr (a -> Ptr (Raw a) forall a. FPtr a => a -> Ptr (Raw a) get_fptr a x)) uncast :: forall r. Ptr RawOGRGeometry -> (a -> IO r) -> IO r uncast Ptr RawOGRGeometry x a -> IO r f = a -> IO r f (Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj (Ptr RawOGRGeometry -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr RawOGRGeometry x)) instance () => Castable (OGRGeometry) (Ptr RawOGRGeometry) where cast :: forall r. OGRGeometry -> (Ptr RawOGRGeometry -> IO r) -> IO r cast OGRGeometry x Ptr RawOGRGeometry -> IO r f = Ptr RawOGRGeometry -> IO r f (Ptr RawOGRGeometry -> Ptr RawOGRGeometry forall a b. Ptr a -> Ptr b castPtr (OGRGeometry -> Ptr (Raw OGRGeometry) forall a. FPtr a => a -> Ptr (Raw a) get_fptr OGRGeometry x)) uncast :: forall r. Ptr RawOGRGeometry -> (OGRGeometry -> IO r) -> IO r uncast Ptr RawOGRGeometry x OGRGeometry -> IO r f = OGRGeometry -> IO r f (Ptr (Raw OGRGeometry) -> OGRGeometry forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj (Ptr RawOGRGeometry -> Ptr RawOGRGeometry forall a b. Ptr a -> Ptr b castPtr Ptr RawOGRGeometry x))