How Qt Signals & Slots Work

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

Qt already provides signals and slots for its classes, which you can use in your application For example, QPushButton has a signal clicked() , which will be

signal and slot qt function, hence why it says no slot exists by that name directly declare MOCK_METHODs as slots public: MOCK_METHOD0(rxsignal, void()); }; That's the best

signal and slot in qt Since Qt uses a mechanism called signals and slots, it makes the callback function weakly coupled to the event Also, we usually use the terms signal and slot