[Interest] promoting a QGuiApplication to a QApplication?

[Thiago Macieira]

On Wednesday, 11 July 2018 07:48:31 PDT René J.V. Bertin wrote:
> The only guarantee I can think of is would be promoting a QGuiApplication
> instance to QApplication at runtime, in the plugin.

There's no such C++ concept as "promote a class". What you're asking is not 
possible.

If the QCoreApplication instance is an object of class QGuiApplication, it's 
an object of class QGuiApplication and no other.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center