anchor.diff:  
   			{ok, CurrentLocation} = emmo_map:lookup(X),
   
  -			Step = {ok, nop},		%% TODO: set command handdler here
  +			Step = {ok, nop},		%% TODO: set command handler here
   			case Step of
   				{ok, nop} -> nop;
   				_ -> io:format("unknown : [~p] ~p~n", [X, Step])
  
positive.code: lookup_impl(Pid, BinId) when is_binary(BinId) ->
  	{ok, Fetched1} = riakc_pb_socket:get(Pid, ?MyBucket, BinId),
  	Val1 = binary_to_term(riakc_obj:get_value(Fetched1)).
  
  %%
  %% Behaviors
  
negative.code: add() ->
  	Reply = gen_server:call(?MODULE, {add, auto_increment}).
  
  remove(NamedId) when is_list(NamedId) ->
  	Reply = gen_server:call(?MODULE, {remove, NamedId}).
  
  online(NamedId) ->
  