[Development] Applications using -fno-rtti
thiago.macieira at intel.com
Mon Jun 22 17:21:43 CEST 2020
On Monday, 22 June 2020 00:22:33 PDT Eike Ziller wrote:
> dynamic_cast would be most useful if you could avoid using Q_OBJECT (and
> deriving from QObject) just for the purpose of casting. If you use Q_OBJECT
> throughout your class hierarchy, qobject_cast is available anyhow. So, the
> argument that Q_OBJECT makes it safe to use dynamic_cast reads a bit
It's a circular argument: Q_OBJECT makes for a safe cast because it does the
thing that makes cast safe. But if you can do the right thing, then you don't
Admittedly, it's easier to get Q_OBJECT right, because of the need for moc.
Running moc on another library's headers is a big indication that something is
wrong. But I've seen it.
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel System Software Products
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