Method GetString

generator/osm2meta.cpp:61–68

    m_values.push_back(value);
  }
  std::string GetString()
  {
    if (m_values.empty())
      return {};

    RemoveDuplicatesAndKeepOrder(m_values);
    return strings::JoinStrings(m_values, kOSMMultivalueDelimiter);
  }

private:
  std::vector<std::string> m_values;