Method returnAirNode

src/model/AirLoopHVAC.cpp:1390–1400

    }

    boost::optional<Node> AirLoopHVAC_Impl::returnAirNode() const {
      boost::optional<Node> result;

      if (boost::optional<AirLoopHVACOutdoorAirSystem> oaSystem = airLoopHVACOutdoorAirSystem()) {
        if (boost::optional<ModelObject> mo = oaSystem->returnAirModelObject()) {
          result = mo->optionalCast<Node>();
        }
      }

      return result;
    }

    boost::optional<HVACComponent> lastFan(const std::vector<ModelObject>& comps) {
      boost::optional<HVACComponent> result;