auto ref - again

[Dicebot]

On Sunday, 27 January 2013 at 14:09:17 UTC, Andrei Alexandrescu 
wrote:
> The property, which is intended to behave as a field as much as 
> possible, in this case continues to look like a field but 
> doesn't act like one. That means that switching transparently 
> between a field and a property (the holy grail of good 
> properties) will silently break code.

Some other discussion in property topic made me wonder if 
enforcing const on getter non-ref return values makes sense.