RhodeCode

  template <typename Base>

  class EdgeSetExtender : public Base {

    typedef Base Parent;

  public:

    typedef EdgeSetExtender Graph;

    typedef typename Parent::Node Node;

    typedef typename Parent::Arc Arc;

    typedef typename Parent::Edge Edge;

    int maxId(Node) const {

      return Parent::maxNodeId();

    }

  class GraphAdaptorExtender : public _Graph {

    typedef _Graph Parent;

  public:

    typedef _Graph Graph;

    typedef GraphAdaptorExtender Adaptor;

    typedef typename Parent::Node Node;

    typedef typename Parent::Arc Arc;

    typedef typename Parent::Edge Edge;

    // Graph extension

    int maxId(Node) const {

      return Parent::maxNodeId();