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

[andre.poenitz at nokia.com]

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.

Andre'