Copied or Not Copied: Arguments in Signal-Slot Connections?

If it is not powered on, run the power on slot slot-id command in the Slave mpu is not compatible with the master, and power off board

Copied or Not Copied: Arguments in Signal-Slot Connections? Ensure that the signature of the signal and slot match to avoid runtime errors Prefer using the new-style syntax for signal-slot connections (

If it is not powered on, run the power on slot slot-id command in the Slave mpu is not compatible with the master, and power off board

signal slot qt Signals and slots in Qt The signals and slots mechanism is type safe: The signature of a signal must match the signature of the receiving slot

And when there is a free standing function there is a signature, but there is no instance, so the third and the fourth arguments of the first

signal slot SignalType::Arguments, typename SlotType::Arguments>::value), 501, Signal and slot arguments are not compatible ); 502, Q_STATIC_ASSERT_X((QtPrivate

error: static assertion failed: Signal and slot arguments are not compatible