61   typedef typename GraphTraits::node_t node_t;  typedef
64   dedge (node_t *src, node_t *dest)  in dedge()
71   node_t *const m_src;
72   node_t *const m_dest;
83   typedef typename GraphTraits::node_t node_t;  typedef
101   void add_node (node_t *node);
104   auto_delete_vec<node_t> m_nodes;
129   typedef typename GraphTraits::node_t node_t;  typedef
134   virtual void add_node (node_t *node) = 0;
165       node_t *n;  in dump_dot_to_pp()
174       node_t *n;  in dump_dot_to_pp()
228 digraph<GraphTraits>::add_node (node_t *node)  in add_node()