Method month

src/model/DesignDay.cpp:144–148

    }

    int DesignDay_Impl::month() const {
      boost::optional<int> value = getInt(OS_SizingPeriod_DesignDayFields::Month, true);
      OS_ASSERT(value);
      return value.get();
    }

    bool DesignDay_Impl::isMonthDefaulted() const {
      return isEmpty(OS_SizingPeriod_DesignDayFields::Month);