UsbDevice constructor Null safety

UsbDevice(
  1. {PrinterDeviceType? type,
  2. int? vendorId,
  3. int? productId,
  4. int? mainClass,
  5. int? subClass,
  6. String? name,
  7. String? version,
  8. String? manufactureName,
  9. String? productName}
)

Implementation

factory UsbDevice({
  PrinterDeviceType? type,
  $core.int? vendorId,
  $core.int? productId,
  $core.int? mainClass,
  $core.int? subClass,
  $core.String? name,
  $core.String? version,
  $core.String? manufactureName,
  $core.String? productName,
}) {
  final _result = create();
  if (type != null) {
    _result.type = type;
  }
  if (vendorId != null) {
    _result.vendorId = vendorId;
  }
  if (productId != null) {
    _result.productId = productId;
  }
  if (mainClass != null) {
    _result.mainClass = mainClass;
  }
  if (subClass != null) {
    _result.subClass = subClass;
  }
  if (name != null) {
    _result.name = name;
  }
  if (version != null) {
    _result.version = version;
  }
  if (manufactureName != null) {
    _result.manufactureName = manufactureName;
  }
  if (productName != null) {
    _result.productName = productName;
  }
  return _result;
}