[Haskell-cafe] ST not strict enough?

[Tristan Ravitch]

On Wed, Nov 16, 2011 at 12:16:34PM -0800, Johan Tibell wrote:
> Just double checked. modifySTRef is too lazy:
>
> -- |Mutate the contents of an 'STRef'
> modifySTRef :: STRef s a -> (a -> a) -> ST s ()
> modifySTRef ref f = writeSTRef ref . f =<< readSTRef ref
>
> We need Data.STRef.Strict

That would be awesome
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