anchor.diff:  
   -spec user_delete(ID :: binary()) -> true.
   user_delete(Id) ->
  -    delete(?TTS_USER,Id).
  +    delete_kv_vk(?TTS_USER,Id).
  +
  +-spec user_delete_pid(Pid :: pid()) -> true.
  +user_delete_pid(Pid) ->
  +    delete_kv_vk(?TTS_USER,Pid).
   
   -spec user_inspect() -> ok. 
   user_inspect() ->
  
positive.code: delete(Table, Key) ->
      true = ets:delete(Table,Key).
  
  insert(Table, Entry) ->
      true = ets:insert(Table, Entry).
  
  
negative.code:          user_create_new/2,
           user_get_pid/1,
           user_delete/1,
           user_delete_pid/1,
           user_inspect/0
          ]).
  
  