equal
  deleted
  inserted
  replaced
  
    
    
  1422       struct Constraints { | 
  1422       struct Constraints { | 
  1423 	void constraints() { | 
  1423 	void constraints() { | 
  1424           checkConcept<Base, _Graph>();  | 
  1424           checkConcept<Base, _Graph>();  | 
  1425 	  typename _Graph::Node node;  | 
  1425 	  typename _Graph::Node node;  | 
  1426 	  graph.erase(node);  | 
  1426 	  graph.erase(node);  | 
  1427 	  typename _Graph::Arc arc;  | 
  1427 	  typename _Graph::Edge edge;  | 
  1428 	  graph.erase(arc);  | 
  1428 	  graph.erase(edge);  | 
  1429 	}  | 
  1429 	}  | 
  1430   | 
  1430   | 
  1431 	_Graph& graph;  | 
  1431 	_Graph& graph;  | 
  1432       };  | 
  1432       };  | 
  1433     };  | 
  1433     };  |