Dear FFI folks,
I'd like to summarise the current proposals on the table and see if we
can get a consensus.
Proposal #1: replace ForeignObj with (ForeignPtr a).
* new module ForeignPtr, with the following interface:
module ForeignPtr
( ForeignPtr, -- abstract, instance of: Eq
, newForeignPtr -- :: Ptr a -> IO () -> IO
(ForeignPtr a)
, addForeignPtrFinalizer -- :: ForeignPtr a -> IO () -> IO
()
, withForeignPtr -- :: ForeignPtr a -> (Ptr a -> IO
b) -> IO b
, foreignPtrToPtr -- :: ForeignPtr a -> Ptr a
, touchForeignPtr -- :: ForeignPtr a -> IO ()
, caseForeignPtr -- :: ForeignPtr a ->
ForeignPtr b
)
* deprecate all of ForeignObj
* replace references to ForeignObj in the FFI spec with
ForeignPtr.
* export module ForeignPtr from Foreign.
* GHC only: deprecate Weak.addForeignFinalizer
Cheers,
Simon
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