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Re: C++11 final classes


On 14 October 2013 11:15, Jonathan Wakely wrote:
> On 14 October 2013 10:25, Florian Weimer wrote:
>> Are C++11 final classes really final, or is it still possible to define a
>> derived class through some hack without violating language rules?
>>
>> It seems we devirtualize calls to virtual members of final classes in some
>> cases, so I assume final is really final, but I'm not sure. :-)
>
> It's intended to be really final, so devirtualization is allowed.

I say "intended" because people manage to do some highly unexpected
things within the rules of the language, but I haven't seen any ways
of "breaking" final, and I think they'd be against the spirit of the
standard, if not the letter.


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