public static void CopyFrom <T1, T2>(this DualHashSet <T1, T2> destination, DualHashSet <T1, T2> source)
{
destination.HashSet1.Clear();
destination.HashSet2.Clear();
// Add elements of T1 type...
foreach (var entry in source.HashSet1)
{
destination.Add(entry);
}
// Add elements of T2 type...
foreach (var entry in source.HashSet2)
{
destination.Add(entry);
}
}
