anchor.diff:          {ok, Props} ->
               case lists:keyfind(allow_mult, 1, Props) of
                   {allow_mult, true} ->
  -                    lager:debug("~s bucket was"
  -                                " already configured correctly.",
  -                                [Bucket]),
  +                    _ = lager:debug("~s bucket was"
  +                                    " already configured correctly.",
  +                                    [Bucket]),
                       ok;
                   _ ->
                       case riakc_pb_socket:set_bucket(
                              Riak, Bucket,
                              [{allow_mult, true}]) of
                           ok ->
  -                            lager:info("Configured ~s"
  -                                       " bucket settings.",
  -                                       [Bucket]),
  +                            _ = lager:info("Configured ~s"
  +                                           " bucket settings.",
  +                                           [Bucket]),
                               ok;
                           {error, Reason} ->
  -                            lager:warning("Unable to configure ~s"
  -                                          " bucket settings (~p).",
  -                                          [Bucket, Reason]),
  +                            _ = lager:warning("Unable to configure ~s"
  +                                              " bucket settings (~p).",
  +                                              [Bucket, Reason]),
                               {error, Reason}
                       end
               end;
           {error, Reason} ->
  -            lager:warning(
  -              "Unable to verify ~s bucket settings (~p).",
  -              [Bucket, Reason]),
  +            _ = lager:warning(
  +                  "Unable to verify ~s bucket settings (~p).",
  +                  [Bucket, Reason]),
               {error, Reason}
       end.
   
  
positive.code: 
  %% @doc Get all slices covering the period from `Start' to `End'.
  -spec slices_filling(datetime(), datetime(), integer())
           -> slice().
  slices_filling(Start, End, Period) when Start > End ->
      slices_filling(End, Start, Period);
  slices_filling(Start, End, Period) ->
  
negative.code:                 riak_moss_utils:close_riak_connection(Riak)
              end;
          {error, Reason} ->
              _ = lager:warning(
                    "Unable to verify ~s bucket settings (~p).",
                    [Bucket, Reason]),
              {error, Reason}
      end.
  
  