public IEnumerable <ParkingSlot> Filter(IEnumerable <ParkingSlot> items, IParkingSlotCriteria <ParkingSlot> t)
{
foreach (var item in items)
{
if (t.IsCriteriaMet(item))
{
yield return(item);
}
}
}
public ConjunctionCriteria(IParkingSlotCriteria <T> first, IParkingSlotCriteria <T> second)
{
_first = first;
_second = second;
}