public IActionResult Dontdie(string activity)
        {
            // GetHashCode current state
            DemoDachi current_critter = HttpContext.Session.GetObjectFromJson <DemoDachi>("dachi");

            // figure out what to do
            if (activity == "feed")
            {
                current_critter.feed();
                _mydachi.feed();
                System.Console.WriteLine(_mydachi.fullness);
            }
            // do that thing
            // update state and go!
            HttpContext.Session.SetObjectAsJson("dachi", current_critter);
            return(RedirectToAction("Index"));
        }
 public DachiController()
 {
     _mydachi = new DemoDachi();
 }