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    18   | 
    18   | 
    19 #ifndef LEMON_BITS_GRAPH_EXTENDER_H  | 
    19 #ifndef LEMON_BITS_GRAPH_EXTENDER_H  | 
    20 #define LEMON_BITS_GRAPH_EXTENDER_H  | 
    20 #define LEMON_BITS_GRAPH_EXTENDER_H  | 
    21   | 
    21   | 
    22 #include <lemon/bits/invalid.h>  | 
    22 #include <lemon/bits/invalid.h>  | 
         | 
    23 #include <lemon/bits/utility.h>  | 
    23 #include <lemon/error.h>  | 
    24 #include <lemon/error.h>  | 
    24   | 
    25   | 
    25 #include <lemon/bits/map_extender.h>  | 
    26 #include <lemon/bits/map_extender.h>  | 
    26 #include <lemon/bits/default_map.h>  | 
    27 #include <lemon/bits/default_map.h>  | 
    27   | 
    28   | 
   328   ///  | 
   329   ///  | 
   329   /// \brief Extender for the UGraphs  | 
   330   /// \brief Extender for the UGraphs  | 
   330   template <typename Base>   | 
   331   template <typename Base>   | 
   331   class UGraphExtender : public Base { | 
   332   class UGraphExtender : public Base { | 
   332   public:  | 
   333   public:  | 
   333       | 
   334   | 
   334     typedef Base Parent;  | 
   335     typedef Base Parent;  | 
   335     typedef UGraphExtender Graph;  | 
   336     typedef UGraphExtender Graph;  | 
         | 
   337   | 
         | 
   338     typedef True UndirectedTag;  | 
   336   | 
   339   | 
   337     typedef typename Parent::Node Node;  | 
   340     typedef typename Parent::Node Node;  | 
   338     typedef typename Parent::Edge Edge;  | 
   341     typedef typename Parent::Edge Edge;  | 
   339     typedef typename Parent::UEdge UEdge;  | 
   342     typedef typename Parent::UEdge UEdge;  | 
   340   | 
   343   | 
   750   class BpUGraphExtender : public Base { | 
   753   class BpUGraphExtender : public Base { | 
   751   public:  | 
   754   public:  | 
   752   | 
   755   | 
   753     typedef Base Parent;  | 
   756     typedef Base Parent;  | 
   754     typedef BpUGraphExtender Graph;  | 
   757     typedef BpUGraphExtender Graph;  | 
         | 
   758   | 
         | 
   759     typedef True UndirectedTag;  | 
   755   | 
   760   | 
   756     typedef typename Parent::Node Node;  | 
   761     typedef typename Parent::Node Node;  | 
   757     typedef typename Parent::ANode ANode;  | 
   762     typedef typename Parent::ANode ANode;  | 
   758     typedef typename Parent::BNode BNode;  | 
   763     typedef typename Parent::BNode BNode;  | 
   759     typedef typename Parent::Edge Edge;  | 
   764     typedef typename Parent::Edge Edge;  |