Function DoubleFromXML

tools/openlr/openlr_model_xml.cpp:27–30

}

std::optional<double> DoubleFromXML(pugi::xml_node const & node)
{
  return node ? node.text().as_double() : std::optional<double>();
}

bool GetLatLon(pugi::xml_node const & node, int32_t & lat, int32_t & lon)
{