anchor.diff:                                     Field,
                                      lists:min([StartTerm, EndTerm]),
                                      lists:max([StartTerm, EndTerm])) of
  -        {ok, Results} ->
  +        {ok, _Results} ->
               {ok, State};
           {error, Reason} ->
               {error, Reason, State}
  
positive.code:                                    State#state.bucket,
                                     Field,
                                     Term) of
          {ok, Results} ->
              {ok, State};
          {error, Reason} ->
              {error, Reason, State}
  
negative.code:     Key = KeyGen(),
      case riakc_pb_socket:get(State#state.pid, State#state.bucket, Key,
                               [{r, State#state.r}]) of
          {ok, _Obj} ->
              {ok, State};
          {error, notfound} ->
              {ok, State};
  