anchor.diff:  	Res when is_list(Res) ->
   	    Res
       end;
  -get_user_addresses(User, Node) when is_list(User) ->
  +get_user_addresses(User, Node) when is_list(User), is_atom(Node) ->
       {atomic, L} = rpc:call(Node, phone, get_numbers_for_user, [User]),
       true = is_list(L),
       L.
  
positive.code: fmt_daystime_short({D, {H, M, S}}) ->
      io_lib:format("~pd, ~s", [D, fmt_daystime_short({0, {H, M, S}})]).
  
  
negative.code: -export([
  	 user_exists/2,
  	 get_user_addresses/2
  	]).
  
  %% Ops functions
  -export([
  	 get_yxa_application_node/0
  	]).
  
  %%--------------------------------------------------------------------
  