[Qt-interest] Returning arbitrary value with?QApplication::exit ()

[Andreas Pakulat]

On 26.06.09 15:22:45, Pascal Patry wrote:
> On Friday 26 June 2009 15:09:59 Andreas Pakulat wrote:
> > I don't think its safe to re-create QApplication, AFAIK this can lead to
> > subtle hard-to-track bugs later on.
> >
> > Andreas
> 
> I don't want to say that this kind of design is wrong, neither that you are, 
> but I think that developing a software thinking that a particular class cannot 
> be instantiated again once destroyed is a mistake.

Well, we're not talking about just any class. QApplication is certainly
special in this sense. It does a lot of setup stuff to actually make the
whole Qt "magic" work. Some of these things might not easily be
reversible and hence re-doing them might cause unknown or undefined
behaviour.

Andreas

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