public static void UseRecords()
{
var bookRec = new BookRecord("Atomic Habits", "James Clear", "978-0735211292", 320);
//deconstruct
var(title, author, _, _) = bookRec;
var otherBookRec = new BookRecord("Atomic Habits", "James Clear", "978-0735211292", 320);
Console.WriteLine(bookRec);
Console.WriteLine(otherBookRec);
Console.WriteLine(bookRec == otherBookRec); // True, because values are the same
Console.WriteLine(bookRec.Equals(otherBookRec)); // True, because values are the same
}