On Thu, Feb 21, 2013 at 10:54 PM, Patrick Walton <[email protected]> wrote:
>
> (4) `with_mut_ref<R>(&self, &fn(&mut T) -> R) -> R`: yields a mutable
> reference to the interior of the cell, failing if the cell is empty or is
> borrowed immutably;

Does this mean you can borrow two mutable references to a cell's contents?

martin
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