//TODO: test
/// <summary>
/// Make a shallow copy of this SortedKeysCollection.
/// </summary>
/// <returns></returns>
public virtual object Clone()
{
//
SortedArrayDictionary <K, V> dictclone = new SortedArrayDictionary <K, V>(sortedpairs.Count, comparer, EqualityComparer);
SortedArray <KeyValuePair <K, V> > sortedpairsclone = (SortedArray <KeyValuePair <K, V> >)(dictclone.sortedpairs);
foreach (K key in sorteddict.Keys)
{
sortedpairsclone.Add(new KeyValuePair <K, V>(key, default(V)));
}
return(new SortedKeysCollection(dictclone, sortedpairsclone, comparer, EqualityComparer));
}
