asDirectionSignExit method
Implementation
DrivingDirectionSignExit? asDirectionSignExit() {
if (_value is DrivingDirectionSignExit) {
return _value;
}
return null;
}
DrivingDirectionSignExit? asDirectionSignExit() {
if (_value is DrivingDirectionSignExit) {
return _value;
}
return null;
}