Avoiding CAF's

[Ian Lynagh]

On Wed, May 16, 2007 at 02:22:22PM +0100, Neil Mitchell wrote:
> 
> The FFI call must create a IO monad box to put the thing in, then the
> main loop strips the IO box away. If I could avoid the overhead of
> creating the box in the meantime, that would be preferable.

Does the boxing not get optimised out?
Is the FFI imported function exported from the module?


Thanks
Ian