//public delegate List<Book> Filter(List<Book> bookList);
public List<Book> GetBooks(Func<List<Book>, List<Book>> myFilter)
{
List<Book> bookList = BookHelper.GetBookList();
if (myFilter == null)
{
return bookList;
}
return myFilter(bookList);
}
public List <Book> GetBooks(Filter myFilter)
{
List <Book> bookList = BookHelper.GetBookList();
if (myFilter == null)
{
return(bookList);
}
return(myFilter(bookList));
}