On 8/12/2014 11:12 AM, Vladimir Vukicevic wrote:
It's unfortunate that we can't create a nsCOMPtr<> that will disallow assignment to a bare
pointer without an explicit .get(), but will still allow conversion to a bare pointer for arg passing
purposes. (Or can we? I admit my C++-fu is not that strong in this area...) It would definitely be
nice to get rid of already_AddRefed<> (not least because the spelling of "Refed"
always grates when I see it :).
The use of a method like
operator T*() && = delete;
causes the conversion to fail if the nsCOMPtr is an rvalue (most
temporaries). It still allows T *foo = localVariable; (there's no easy
way around that).
--
Joshua Cranmer
Thunderbird and DXR developer
Source code archæologist
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