enum SweepstorePrimitives {

  POINTER       (8),
  ADDRESS_TABLE (-1);

  final int size;
  final bool arrayType;
  const SweepstorePrimitives(this.size, {
    this.arrayType = false
  });

}

class SweepstorePointer {

  static const SweepstorePointer nullptr = SweepstorePointer(-1);

  final int address;

  const SweepstorePointer(this.address);

  bool get isNull => address == -1;

  operator ==(Object other) {
    if (identical(this, other)) return true;
    if (other is! SweepstorePointer) return false;
    return address == other.address;
  }

  @override
  String toString() => '0x${address.toRadixString(16)} ($address)';
}

enum SweepstoreTicketState {
  FREE,
  WAITING,
  APPROVED,
  EXECUTING,
  COMPLETED,
}

enum SweepstoreTicketOperation {
  NONE,
  READ,
  MODIFY,
  WRITE,
}