The Death of Finalizers

[Simon Marlow]

> Do we still have atomicModifyIORef?
> 
> I don't know that there's that much point now that Haskell finalizers
> are gone.  I don't have a strong objection (esp. since it seems every
> implementation now has it) but it doesn't seem so necessary now.

It ought to be significantly faster than using MVars if you can get away
with it.  I haven't measured it though.

Cheers,
	Simon