BMFTrainVehicleInfo constructor Null safety
- {String? name,
- String? departureStation,
- String? arriveStation,
- String? departureTime,
- String? arriveTime,
- double? price,
- String? booking}
有参构造
Implementation
BMFTrainVehicleInfo({
String? name,
String? departureStation,
String? arriveStation,
String? departureTime,
String? arriveTime,
this.price,
this.booking,
}) : super(
name: name,
departureStation: departureStation,
arriveStation: arriveStation,
departureTime: departureTime,
arriveTime: arriveTime,
);