public void Append(DLinkedList <T> other)
{
Debug.Assert(other != null);
while (other.Count > 0)
{
var first = other.First;
other.Remove(first);
AddLast(first);
}
}
public DLinkedList <T> Duplicate()
{
var result = new DLinkedList <T>();
foreach (var v in this)
{
var n = new DLinkedListNode <T>(v);
result.AddLast(n);
}
return(result);
}
/// <summary>
/// Make sublist from give index, and up to size
/// </summary>
/// <param name="index"></param>
/// <param name="size">if -1 then up to end of list</param>
/// <returns></returns>
public DLinkedList <T> DuplicateReverse(int index, int size)
{
Debug.Assert(index >= 0);
Debug.Assert(index < Count);
Debug.Assert(index + size < Count);
var result = new DLinkedList <T>();
var current = GetNodeAtIndex(index);
while (current != null && (size < 0 || size > 0))
{
var n = new DLinkedListNode <T>(current.Value);
result.AddFirst(n);
size--;
current = current.Next;
}
return(result);
}
internal void Invalidate()
{
list = null;
next = null;
prev = null;
}
internal DLinkedListNode(DLinkedList <T> list, T value)
{
this.list = list;
this.value = value;
}