/// <summary>Just for testing.</summary>
public static void Main(string[] args)
{
int x = int.Parse(3);
int y = int.Parse(4);
int z = int.Parse(5);
IList <int> a = Arrays.AsList(new int[] { x, y, z });
IList <string> b = Arrays.AsList(new string[] { "Larry", "Moe", "Curly" });
IList <int> c = Arrays.AsList(new int[] { x, y, z });
IList <string> d = Arrays.AsList(new string[] { "Larry", "Moe", "Curly" });
ICollection <IList <object> > hs = Generics.NewHashSet();
Edu.Stanford.Nlp.Util.IdentityHashSet <IList <object> > ihs = new Edu.Stanford.Nlp.Util.IdentityHashSet <IList <object> >();
hs.Add(a);
hs.Add(b);
ihs.Add(a);
ihs.Add(b);
System.Console.Out.WriteLine("List a is " + a);
System.Console.Out.WriteLine("List b is " + b);
System.Console.Out.WriteLine("List c is " + c);
System.Console.Out.WriteLine("List d is " + d);
System.Console.Out.WriteLine("HashSet hs contains a and b: " + hs);
System.Console.Out.WriteLine("IdentityHashSet ihs contains a and b: " + ihs);
System.Console.Out.WriteLine("hs contains a? " + hs.Contains(a));
System.Console.Out.WriteLine("hs contains b? " + hs.Contains(b));
System.Console.Out.WriteLine("hs contains c? " + hs.Contains(c));
System.Console.Out.WriteLine("hs contains d? " + hs.Contains(d));
System.Console.Out.WriteLine("ihs contains a? " + ihs.Contains(a));
System.Console.Out.WriteLine("ihs contains b? " + ihs.Contains(b));
System.Console.Out.WriteLine("ihs contains c? " + ihs.Contains(c));
System.Console.Out.WriteLine("ihs contains d? " + ihs.Contains(d));
}
/// <summary>
/// Returns a shallow copy of this <code>IdentityHashSet</code> instance:
/// the elements themselves are not cloned.
/// </summary>
/// <returns>a shallow copy of this set.</returns>
public virtual object Clone()
{
IEnumerator <E> it = GetEnumerator();
Edu.Stanford.Nlp.Util.IdentityHashSet <E> clone = new Edu.Stanford.Nlp.Util.IdentityHashSet <E>(Count * 2);
while (it.MoveNext())
{
clone.InternalAdd(it.Current);
}
return(clone);
}
