TrainPosition.empty constructor
const
TrainPosition.empty()
Creates an empty TrainPosition object.
Implementation
const TrainPosition.empty()
: numCars = -1,
circuitId = '-1',
destinationStationCode = null,
directionNum = -1,
lineCode = null,
secondsAtLocation = -1,
serviceType = ServiceType.unknown,
trainId = '',
trainNumber = '';