ItemPosition constructor

ItemPosition({ required int number, required double position, bool isInformationalItem = false, int amountAdditionalItems = 0, })

Implementation

ItemPosition({
  required this.number,
  required this.position,
  this.isInformationalItem = false,
  this.amountAdditionalItems = 0,
}) : assert(isInformationalItem && amountAdditionalItems != 0 ||
          !isInformationalItem && amountAdditionalItems == 0);