[Development] final value classes: some background information and plans

[Marc Mutz]

On Wednesday March 7 2012, andre.poenitz at nokia.com wrote:
> Marc Mutz wote:
> > I've uploaded a patch series that makes most of the value classes in
> > QtCore final in the C++11 sense (ie. under a C++11 compiler, these can no
> > longer be inherited from).
>
> I disagree with the idea of making Qt core classes non-inheritable.
>
> While inheritance from "value" classes is rarely needed, it _is_ useful at
> times. Most notably, private inheritance is even "pretty safe".
>
> There is no need to artificially deprive us of useful tools.

Name one instance where (non-public, since public isn't safe) inheritance is 
useful and not just laziness on the part of the inheriter :)

Thanks,
Marc

-- 
Marc Mutz <marc.mutz at kdab.com> | Senior Software Engineer
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