entityframework

PacticeSolution/LinqInNotIn/Program.cs

@@ -34,6 +34,7 @@
                 Console.WriteLine($"idx: {item.ProductId}, name: {item.Name}");
             }
 
+            Console.WriteLine("first, single");
             var firstItem = products.First(item => item.ProductId == 3);
             var singleItem = products.Single(item => item.ProductId == 3);
             Console.WriteLine($"first == single: {firstItem == singleItem}");