New Features in C# 2.0—Implement GetEnumerator with Complex Data Structures

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Implement GetEnumerator with Complex Data Structures

To add an iterator to your original LinkedList class, you’ll implement IEnumerable<T> on both LinkedList and the Node class:

public class LinkedList<T> : 
  IEnumerable<T>
public class Node<T> : 
  IComparable<Node<T>>, IEnumerable<Node<T>>