hello slot

This time, we connect both a hello and a world slot to the same signal, and when we call the signal both slots will be called. bakar77 slot boost::signals2::signalvoid () sig; sig. pokerclub88 slot connect(Hello()); sig connect(World()); sig(); By default, slots are pushed onto the back of the slot list, so the output of this program will be as expected: Hello, World!