/// <summary>
/// Returnerar en lista med alla värden i sökträdet i postorder.
/// </summary>
public IEnumerable <T> Postorder()
{
if (_root != null)
{
return(_root.Postorder());
}
else
{
return(new List <T>());
}
}
public IEnumerable <T> Postorder()
{
List <T> PostList = new List <T>();
if (_value != null)
{
if (_leftChild != null)
{
PostList.AddRange(_leftChild.Postorder());
}
if (_rightChild != null)
{
PostList.AddRange(_rightChild.Postorder());
}
PostList.Add(_value);
}
return(PostList);
}