static void Main()
{
var bc = new BookCollection();
bc.ListBooks();
ref var book = ref bc.GetBookByTitle("Call of the Wild, The"); // ref local
public static void RefUse()
{
var bc = new BookCollection();
bc.ListBooks();
ref var book = ref bc.GetBookByTitle("Call of the wild, The");
// This method displays the following output:
// Original values in Main. Name: Fasteners, ID: 54321
// Back in Main. Name: Stapler, ID: 12345
// </Snippet3>
private static void BookCollectionExample()
{
// <Snippet5>
var bc = new BookCollection();
bc.ListBooks();
ref var book = ref bc.GetBookByTitle("Call of the Wild, The");
static void Main(string[] args)
{
var bc = new BookCollection();
bc.ListBooks();
var index = -1;
ref var book = ref bc.GetBookByTitle("Call of the Wild, The", ref index);
