Using sigslot as replacement of Qt signalsslots

Using sigslot as replacement of Qt signalsslots signal and slot qt 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 slot In general, emitting a signal that is connected to some slots, is approximately ten times slower than calling the receivers directly, with non-

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signal and slot qt Qt Signals and Slots Olivier Goffart October 2013 Page 2 About Me Page 3 find the index of the signal and of the slot Keep in an internal map which When the signal is emitted with fewer arguments than the slot, Qt runs the slot using default parameter values Functor-based connections do not support