7 class SubIter : public Iter<T> {
17 class Graph : public GraphBase {
19 Iter<typename Graph<T>::Node*> *get();
24 Iter<typename Graph<T>::Node*> *Graph<T>::Inner::get() {
25 SubIter<typename Graph<T>::Node*> *iter;
30 Iter<Graph<int>::Node*> *n2_iter = new SubIter<Graph<int>::Node*>();