Method ForEachCountryInRect

generator/borders.hpp:114–122

  template <typename ToDo>
  void ForEachCountryInRect(m2::RectD const & rect, ToDo && toDo) const
  {
    ankerl::unordered_dense::set<CountryPolygons const *> uniq;
    m_regionsTree.ForEachInRect(rect, [&](CountryPolygons const & cp)
    {
      if (uniq.insert(&cp).second)
        toDo(cp);
    });
  }

  bool HasRegionByName(std::string const & name) const { return m_countryPolygonsMap.count(name) != 0; }