% @doc misc utility functions
-module(wfc_utils).
-vsn("0.2.0").

-export([err/2, str/2, emsg/2]).

err(Fmt, Pat) ->
    {error, emsg(Fmt, Pat)}.

str(X, Y) -> emsg(X, Y).

emsg(Fmt, Pat) ->
    unicode:characters_to_list(io_lib:format(Fmt, Pat)).