View difference between Paste ID: aqXBvEq5 and tr58wEqE

-[StructLayout(LayoutKind.Explicit)]
+using System;
-    public struct AssemblyCache
+using System.Reflection;
 using System.Runtime.InteropServices;
 
-        public object AssemblyLock;
+namespace ConsoleApplication1
 {
     [StructLayout(LayoutKind.Explicit)]
-        public Assembly Assembly;
+    public struct CatOrDog
     {
         [FieldOffset(0)]
         public Cat Cat;
 
         [FieldOffset(0)]
         public Dog Dog;
     }
-            var cache = new AssemblyCache { AssemblyLock = new object() };
+
-            Console.WriteLine(cache.Assembly != null);
+
     class Program
     {
         static void Main(string[] args)
-    }
+
             var catOrDog = new CatOrDog { Cat = new Cat { Name = "Jenny" } };
             catOrDog.Dog.Say();
         }
     }
 
     public class Cat
     {
         public string Name { get; set; }
 
         public void Say()
         {
             Console.WriteLine("Meow " + Name);
         }
     }
 
     public class Dog
     {
         public string Name { get; set; }
 
         public void Say()
         {
             Console.WriteLine("Woof" + Name);
         }
     }
 }