public IEnumerator <Book> GetEnumerator()
{
this.Sort();
IEnumerator <Book> bookEnumerator = new LibraryIterator(this.books);
return(bookEnumerator);
}
public IEnumerator <Book> GetEnumerator()
{
LibraryIterator libraryIterator = new LibraryIterator(this.books.ToArray());
return(libraryIterator);
//for (int i = 0; i < this.books.Count; i++)
//{
// yield return this.books[i];
//}
}
public IEnumerator <Book> GetEnumerator()
{
LibraryIterator iter = new LibraryIterator(books);
return(iter);
}
public IEnumerator <Book> GetEnumerator()
{
var libraryEnumerator = new LibraryIterator(books);
return(libraryEnumerator);
}