DQt: Qt bindings using extern(C++)

[Tim]

On Sunday, 5 December 2021 at 17:11:09 UTC, user1234 wrote:
>
> no dynamic cast problems 
> (https://issues.dlang.org/show_bug.cgi?id=21690)?

I did not see this problem. Qt uses a custom implementation for 
dynamic casts of objects inheriting from QObject, which is 
independent from C++ dynamic_cast. See function qobject_cast: 
https://doc.qt.io/qt-5/qobject.html#qobject_cast