public static void Main()
{
MyCache cache0 = new MyCache(), cache1 = new MyCache();
string someRandomKey = "key" + new Random().Next().ToString();
ShowResult(cache0, cache1, someRandomKey, "Initially");
cache0.Set(someRandomKey, Encoding.UTF8.GetBytes("hello"));
Thread.Sleep(10); // the pub/sub is fast, but not *instant*
ShowResult(cache0, cache1, someRandomKey, "Write to 0");
cache1.Set(someRandomKey, Encoding.UTF8.GetBytes("world"));
Thread.Sleep(10); // the pub/sub is fast, but not *instant*
ShowResult(cache0, cache1, someRandomKey, "Write to 1");
}