// FIXME: test it
public DList <ElementType, ParentType> Copy()
{
DList <ElementType, ParentType> result = new DList <ElementType, ParentType> ();
DList <ElementType, ParentType> .Iterator insert_it = new DList <ElementType, ParentType> .Iterator(this);
DList <ElementType, ParentType> .Iterator enum_it = new DList <ElementType, ParentType> .Iterator(result);
while (true)
{
enum_it.Advance();
if (!enum_it.ElementAvailable)
{
break;
}
insert_it.Insert(enum_it.Element);
}
return(result);
}
public Iterator(DList <ElementType, ParentType> DL)
{
current = DL.head;
this.DL = DL;
}