1.1 --- a/src/include/smart_graph.h	Sun Apr 25 22:26:19 2004 +0000
     1.2 +++ b/src/include/smart_graph.h	Sun Apr 25 22:28:19 2004 +0000
     1.3 @@ -23,6 +23,8 @@
     1.4    ///It conforms to the graph interface documented under
     1.5    ///the description of \ref GraphSkeleton.
     1.6    ///\sa \ref GraphSkeleton.
     1.7 +  ///
     1.8 +  ///\todo Some member functions could be \c static.
     1.9    class SmartGraph {
    1.10  
    1.11      struct NodeT 
    1.12 @@ -200,8 +202,9 @@
    1.13      class NodeIt : public Node {
    1.14        friend class SmartGraph;
    1.15      public:
    1.16 +      NodeIt() : Node() { }
    1.17 +      NodeIt(Invalid i) : Node(i) { }
    1.18        NodeIt(const SmartGraph& G) : Node(G.nodes.size()?0:-1) { }
    1.19 -      NodeIt() : Node() { }
    1.20      };
    1.21  
    1.22      class Edge {