[Dlang-study] [lifetime] Few root decisions to take on RC classes

[Martin Nowak]

On Friday, 30 October 2015 at 21:31:56 UTC, Andrei Alexandrescu wrote:
> * @rc classes shall not be single-rooted. Rationale: there is
> no strong advantage in it and it would force all @rc classes to
> embed a vptr. This has been already discussed and largely
> agreed upon in this group.

I this really such a good idea to it simply b/c it's possible?
It would kind of add a third species to struct/class, implying lots of
work (compiler changes, debuggers, typeinfo...).
And unless you want to break typeid(baseclass) which currently returns
the dynamic type you wouldn't even safe the pointer.


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