Method inc

Infovis/BoostGraphAlgorithms/vtkBoostGraphAdapter.h:273–296

  }

  void inc()
  {
    ++iter;
    if (iter == end)
    {
      // Find a vertex with nonzero out degree.
      ++vertex;
      while (vertex < lastVertex && this->graph->GetOutDegree(vertex) == 0)
      {
        ++vertex;
      }

      if (vertex < lastVertex)
      {
        vtkIdType nedges;
        graph->GetOutEdges(vertex, iter, nedges);
        end = iter + nedges;
      }
      else
      {
        iter = nullptr;
      }
    }
  }

  void RecalculateEdge()
  {