lemon/bits/base_extender.h
changeset 288 47b3a3b67837
parent 256 c760d691fe3c
child 289 d91884dcd572
equal deleted inserted replaced
4:439e04626ef4 5:d5a293cc3857
   103       return Arc(e, d);
   103       return Arc(e, d);
   104     }
   104     }
   105 
   105 
   106     /// Returns whether the given directed arc has the same orientation
   106     /// Returns whether the given directed arc has the same orientation
   107     /// as the corresponding edge.
   107     /// as the corresponding edge.
   108     ///
       
   109     /// \todo reference to the corresponding point of the undirected digraph
       
   110     /// concept. "What does the direction of an edge mean?"
       
   111     static bool direction(const Arc &a) { return a.forward; }
   108     static bool direction(const Arc &a) { return a.forward; }
   112 
   109 
   113     using Parent::first;
   110     using Parent::first;
   114     using Parent::next;
   111     using Parent::next;
   115 
   112