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