Class Ograph.ograph

method virtual empty : 'o
method virtual add_node : 'a -> 'o
method virtual del_node : 'a -> 'o
method virtual add_arc : ('a * 'a) -> 'o
method virtual del_arc : ('a * 'a) -> 'o
method virtual nodes : 'a Oset.oset
method virtual predecessors : 'a -> 'a Oset.oset
method virtual successors : 'a -> 'a Oset.oset
method virtual ancestors : 'a Oset.oset -> 'a Oset.oset
method virtual brothers : 'a -> 'a Oset.oset
method virtual children : 'a Oset.oset -> 'a Oset.oset
method mydebug : ('a * 'a list) list