qobject_cast
Dirk Mueller
mueller at kde.org
Sat Nov 12 12:48:50 CET 2005
On Saturday 12 November 2005 11:18, Olivier Goffart wrote:
> After having doing some test, it seems that qobject_cast is 3 times faster
> than dynamic_cast.
that heavily depends on the compiler ;) The main difference is that
qobject_cast more often works accross DSO boundaries, even if LTDL_LOCAL is
used for dlopen'ing the module.
also, dynamic_cast works in more cases than qobject_cast works (which relies
on the types inheriting QObject iirc).
--
Dirk//\
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