rvalue references

[Timon Gehr]

On 04/23/2013 07:15 PM, Andrei Alexandrescu wrote:
> ...
>
> The justification is that unsafe uses of ref are few and uninteresting
> (they can be replaced with pointers).

I don't get this. Uses cannot be "unsafe". They are either correct or wrong.

> It would be very powerful to be
> able to guarantee that safe code can use ref.
>...

It is not required to make ref guaranteed safe in @system code to 
guarantee this.