private static void ModifyInner()
{
Console.WriteLine("\nAnti-pattern: Add to outer, modify, lose");
ICollection<ISequenced<int>> outer = new HashSet<ISequenced<int>>();
for (int i = 0; i < 100; i++)
{
ISequenced<int> inner = new TreeSet<int>();
inner.Add(i); inner.Add(i + 1);
outer.Add(inner);
}
ISequenced<int>
inner1 = new TreeSet<int>(),
inner2 = new TreeSet<int>(),
inner3 = new TreeSet<int>();
inner1.AddAll(new[] { 2, 3, 5, 7, 11 });
inner2.AddAll(inner1); inner2.Add(13);
inner3.AddAll(inner1);
outer.Add(inner1);
Console.WriteLine("inner1 in outer: {0}", outer.Contains(inner1));
Console.WriteLine("inner2 in outer: {0}", outer.Contains(inner2));
Console.WriteLine("inner3 in outer: {0}", outer.Contains(inner3));
inner1.Add(13);
Console.WriteLine("inner1 equals inner2: {0}",
outer.EqualityComparer.Equals(inner1, inner2));
Console.WriteLine("inner1 equals inner3: {0}",
outer.EqualityComparer.Equals(inner1, inner3));
Console.WriteLine("inner1 in outer: {0}", outer.Contains(inner1));
Console.WriteLine("inner2 in outer: {0}", outer.Contains(inner2));
Console.WriteLine("inner3 in outer: {0}", outer.Contains(inner3));
Console.WriteLine("outer.Count: {0}", outer.Count);
}
