indexing description: "Error for invalid value for option."; date: "$Date$"; revision: "$Revision $" class VD15 inherit LACE_ERROR redefine build_explain end feature -- Properties option_name: STRING; option_value: STRING; feature -- Output build_explain (st: STRUCTURED_TEXT) is do st.add_string ("Option: "); st.add_string (option_name); st.add_new_line; if option_value /= Void then st.add_string ("Invalid option value: "); st.add_string (option_value); else st.add_string ("No option value"); end; st.add_new_line end; feature {OPTION_SD} -- Setting set_option_name (s: STRING) is do option_name := s; end; set_option_value (s: STRING) is do option_value := s; end; end