1.1 --- a/src/lemon/concept/undir_graph.h	Mon Nov 22 17:50:26 2004 +0000
     1.2 +++ b/src/lemon/concept/undir_graph.h	Thu Nov 25 14:48:24 2004 +0000
     1.3 @@ -67,8 +67,13 @@
     1.4  
     1.5  	typedef typename Graph::UndirEdge UndirEdge;
     1.6  	typedef typename Graph::UndirEdgeIt UndirEdgeIt;
     1.7 +	typedef typename Graph::UndirIncEdgeIt UndirIncEdgeIt;
     1.8  
     1.9  	checkConcept< GraphIterator<Graph, UndirEdge>, UndirEdgeIt >();
    1.10 +
    1.11 +	checkConcept<
    1.12 +	  GraphIncIterator<Graph, UndirEdge>,
    1.13 +	  UndirIncEdgeIt >();
    1.14        }
    1.15      };
    1.16