Method GetRelation

generator/intermediate_data.hpp:263–263

  bool GetWay(Key id, WayElement & e) override { return m_ways.Read(id, e); }
  bool GetRelation(Key id, RelationElement & e) override { return m_relations.Read(id, e); }

  void ForEachRelationByWayCached(Key id, ForEachRelationFn & toDo) override
  {