Automatically Connect Signals and Slots

Qt signal slots and gmock signal and slot in qt QT has an Observer mechanism built in, which they call 'Signals and Slots' It allows objects to communicate with each other without having to signal slot Signals and slots are the backbone of event-driven programming in Qt, offering a flexible and efficient mechanism for inter-object communication

signal and slot component_A has an interface with A_slot() method; component_B has an interface with B_slot() and B_signal() methods Connecting slots is easy: