/// <summary>
///
/// </summary>
/// <param name="intList"></param>
/// <exception cref="ArgumentNullException">Thrown if intList is null or empty.</exception>
public SinglyLinkedList(IEnumerable <int> intList)
{
if ((intList == null) || (!intList.Any()))
{
throw new ArgumentNullException("intList", "intList cannot be null or empty.");
}
SinglyLinkedNode current = null;
Length = 0;
foreach (var item in intList)
{
if (Head == null)
{
Head = new SinglyLinkedNode(item);
current = Head;
}
else
{
current.Next = new SinglyLinkedNode(item);
current = current.Next;
}
Length++;
}
Tail = current;
}
/// <summary>
/// Return node at the 1 based index.
/// </summary>
/// <param name="index">1 based index.</param>
/// <returns>Node at index, or Null if index exceed the length.</returns>
/// <exception cref="ArgumentOutOfRangeException">Thrown if index is less than 1.</exception>
public static SinglyLinkedNode GetNode(this SinglyLinkedList list, int index)
{
if (index < 1)
{
throw new ArgumentOutOfRangeException("index", "Index must be greater than 0.");
}
SinglyLinkedNode current = list.Head;
int i = 1;
while ((current != null) && (i < index))
{
current = current.Next;
i++;
}
return(current);
}
public SinglyLinkedList(int firstInt)
{
Head = new SinglyLinkedNode(firstInt);
Tail = Head;
Length = 1;
}