int par_id_, pos_type pos_start_, pos_type pos_end_)
: error(error_), description(description_), par_id(par_id_),
pos_start(pos_start_), pos_end(pos_end_)
int par_id_, pos_type pos_start_, pos_type pos_end_)
: error(error_), description(description_), par_id(par_id_),
pos_start(pos_start_), pos_end(pos_end_)