[Qt-interest] qobject_cast<> questions

[Andreas Pakulat]

On 31.05.09 21:28:04, Ross Bencina wrote:
> Thiago Macieira
> >But I argue that we shouldn't need to document when things work exactly as
> >expected. If qobject_cast is meant to work as a replacement for
> >dynamic_cast, then it should work like it.
> 
> Ok, great, that is the most specific description of what qobject_cast is 
> supposed to be I have read. That is much clearer than the documentation, 
> which says:
> 
> """
> The qobject_cast() function behaves similarly to the standard C++ 
> dynamic_cast()
> """
> 
> Note that it does not say "exactly" it says "similarly"

Because "exactly" would not be correct. qobject_cast<> only works on
QObject's and additionally it doesn't need rtti to work (dynamic_cast<>
needs that).

Andreas

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