message: add if statements
diff: @@ -52,6 +52,7 @@ Trajectory BehaviorRSSConformant::Plan(
  auto eval_res = boost::get<std::optional<bool>>(
  rss_evaluator_->Evaluate(observed_world));
  + #ifdef RSS
  auto rss_evaluator = std::dynamic_pointer_cast<EvaluatorRSS>(
  rss_evaluator_);
  if(rss_evaluator) {
  @@ -60,6 +61,7 @@ Trajectory BehaviorRSSConformant::Plan(
  lat_right_ = rss_evaluator->GetLateralRightResponse();
  dangerous_objects_ = rss_evaluator->GetDangerousObjectIdsSafetyResponse();
  }
  + #endif
  if (!*eval_res) {
  VLOG(4) << "RSS is violated." << std::endl;
  