1.1 --- a/lemon/graph_utils.h	Thu Feb 23 08:55:54 2006 +0000
     1.2 +++ b/lemon/graph_utils.h	Thu Feb 23 09:03:18 2006 +0000
     1.3 @@ -566,7 +566,7 @@
     1.4        return edgeRefMap;
     1.5      }
     1.6  
     1.7 -    void run() {}
     1.8 +    void run() const {}
     1.9  
    1.10    private:
    1.11      
    1.12 @@ -777,7 +777,7 @@
    1.13        return uEdgeRefMap;
    1.14      }
    1.15  
    1.16 -    void run() {}
    1.17 +    void run() const {}
    1.18  
    1.19    private:
    1.20