This is done in preparation of introducing the
QObject::connectNotify(QMetaMethod) function. Together with the
forthcoming QMetaMethod::fromSignal() function, which returns the
QMetaMethod corresponding to a Qt/C++ signal (member function), the
comparison operators provide an effective way of checking which
signal was connected to.
Change-Id: I2de48628c4884a7174fb8574895f272cb3fe5634
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
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