1.1 --- a/lemon/bits/clearable_graph_extender.h	Mon Nov 21 12:07:05 2005 +0000
     1.2 +++ b/lemon/bits/clearable_graph_extender.h	Mon Nov 21 17:48:00 2005 +0000
     1.3 @@ -44,6 +44,31 @@
     1.4  
     1.5    };
     1.6  
     1.7 +
     1.8 +  template <typename _Base>
     1.9 +  class ClearableUndirBipartiteGraphExtender : public _Base {
    1.10 +  public:
    1.11 +
    1.12 +    typedef _Base Parent;
    1.13 +    typedef ClearableUndirBipartiteGraphExtender Graph;
    1.14 +
    1.15 +    typedef typename Parent::Node Node;
    1.16 +    typedef typename Parent::LowerNode LowerNode;
    1.17 +    typedef typename Parent::UpperNode UpperNode;
    1.18 +    typedef typename Parent::Edge Edge;
    1.19 +    typedef typename Parent::UndirEdge UndirEdge;
    1.20 +
    1.21 +    void clear() {
    1.22 +      Parent::getNotifier(Edge()).clear();
    1.23 +      Parent::getNotifier(UndirEdge()).clear();
    1.24 +      Parent::getNotifier(Node()).clear();
    1.25 +      Parent::getNotifier(LowerNode()).clear();
    1.26 +      Parent::getNotifier(UpperNode()).clear();
    1.27 +      Parent::clear();
    1.28 +    }
    1.29 +
    1.30 +  };
    1.31 +
    1.32  }
    1.33  
    1.34  #endif