Class Ograph_extended.ograph_extended

method add_node : 'node -> 'o * nodei
method add_nodei : nodei -> 'node -> 'o * nodei
method replace_node : (nodei * 'node) -> 'o
method del_node : nodei -> 'o
method add_arc : ((nodei * nodei) * 'edge) -> 'o
method del_arc : ((nodei * nodei) * 'edge) -> 'o
method nodes : (nodei, 'node) Oassoc.oassoc
method successors : nodei -> (nodei * 'edge) Oset.oset
method predecessors : nodei -> (nodei * 'edge) Oset.oset
method allsuccessors : (nodei, (nodei * 'edge) Oset.oset) Oassoc.oassoc