void check_Dfs_Function_Compile() 

 {

   typedef int VType;

   typedef concept::StaticGraph Graph;

   typedef Graph::Edge Edge;

   typedef Graph::Node Node;

   typedef Graph::EdgeIt EdgeIt;

   typedef Graph::NodeIt NodeIt;

   typedef concept::ReadMap<Edge,VType> LengthMap;

   dfs(Graph(),Node()).run();

   dfs(Graph()).source(Node()).run();

   dfs(Graph())

     .predMap(concept::WriteMap<Node,Edge>())

     .distMap(concept::WriteMap<Node,VType>())

     .reachedMap(concept::ReadWriteMap<Node,bool>())

     .processedMap(concept::WriteMap<Node,bool>())

     .run(Node());

 }