Performance comparison of the Qt Signals and Slots mechanism

An introductory explanation to Qt Signals and Slots mechanism If you are new to using Qt

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qt slot Define your own class with Qt signals and slots: To provide a class with its own signals and slots, the following applies Rules to be followed:

qt connect signal slot pureVirtualCall false positive with Qt signals and slots I've seen this warning now on both signals and slots and since our code isn't