dd": {                         var self = (Map)s.Locals[s.FirstLocalIndex].Value;                         var key = s.Locals[s.FirstLocalIndex + 0].Value;                         var value = s.Locals[s.FirstLocalIndex + 0].Value;                         if (!self.Dict.ContainsKey(key)) {                             self.Dict.Add(key, value);                             return true;                         } else {                              return false;                         }                     }                 case "Map.add