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