ienumerable-example-5.cs

class FacebookWall: IEnumerable<Post>
{
  private List<Post> facebook;
  public FacebookWall()
  {
    facebook = new List<Post>();
  }
  public void Add(Post npost)
  {
    facebook.Add(npost);
  }
  public IEnumerator<Post> GetEnumerator()
  {
    return facebook.GetEnumerator();
  }
  IEnumerator IEnumerable.GetEnumerator()
  {
    return this.GetEnumerator();
  }
}