/// <summary>
/// Returns a list of all the values contained in this lookup and adds the lookup to the disposal queue.
/// Items in the list will be ordered based on the ordering of the key list, then by the position within value list for the item's key.
/// Ownership of the returned nodes is transferred to the caller, who is responsible for their disposal.
/// </summary>
public LinkedHeadTail <T> FlattenAndDispose()
{
var values = new LinkedHeadTail <T>();
var runner = keys.head;
while (runner != null)
{
values.Append(RemoveValues(runner.value));
runner = runner.next;
}
keys.DisposeInBackground();
DisposeInBackground();
return(values);
}
