/**
* Creates a new tree set using elements provided by an iterator.
*
* @param i an iterator whose elements will fill the set.
*/
@SuppressWarnings("unchecked")
public ObjectRBTreeSet(final Iterator<? extends K> i) {
this(ObjectIterators.asObjectIterator(i));
}
@SuppressWarnings("unchecked")
public ObjectListIterator<K> iterator() {
return ObjectIterators.singleton(element);
}