Problem with signalslot carrying pointer - qt

In addition to all features provided by Qt the ROOT version supports connecting slots to a class These slots

Hi all, the signalslot system of Qt is a very helpful mechanism for implementing callbacks I was wondering if I can create my own signals

signal and slot in qt Qt Signal & Slot implementation is deterministic, but it's using QVariant to box and then unbox values, so there is definitely a performance

signal slot The receivers of signals are called Slots in Qt terminology A number of standard slots are provided on Qt classes to allow you to wire together