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