Haskell Core Libraries (base package) Parent Contents Index

GHC.Stable Portability non-portable (GHC Extensions) Stability internal Maintainer ffi@haskell.org

Description

Stable pointers.

data StablePtr a

Constructors StablePtr (StablePtr# a) Instances IArray UArray (StablePtr a) (Ix ix) => Eq (UArray ix (StablePtr a)) MArray (STUArray s) (StablePtr a) (ST s) IArray (IOToDiffArray IOUArray) (StablePtr a) MArray IOUArray (StablePtr a) IO (Typeable a) => Typeable (StablePtr a) Storable (StablePtr a) CCallable (StablePtr a) CReturnable (StablePtr a) Eq (StablePtr a)

newStablePtr :: a -> IO (StablePtr a)

deRefStablePtr :: StablePtr a -> IO a

freeStablePtr :: StablePtr a -> IO ()

castStablePtrToPtr :: StablePtr a -> Ptr ()

castPtrToStablePtr :: Ptr () -> StablePtr a

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