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