sig
type graph
and node
and edge
val iter_nodes :
(Avl_draw.GRAPH.node -> unit) -> Avl_draw.GRAPH.graph -> unit
val iter_edges :
(Avl_draw.GRAPH.edge -> unit) -> Avl_draw.GRAPH.graph -> unit
val node_hash : Avl_draw.GRAPH.node -> int
val node_equal : Avl_draw.GRAPH.node -> Avl_draw.GRAPH.node -> bool
val node_attributes : Avl_draw.GRAPH.node -> Avl_draw.node_attributes
val edge_hash : Avl_draw.GRAPH.edge -> int
val edge_equal : Avl_draw.GRAPH.edge -> Avl_draw.GRAPH.edge -> bool
val edge_head : Avl_draw.GRAPH.edge -> Avl_draw.GRAPH.node
val edge_tail : Avl_draw.GRAPH.edge -> Avl_draw.GRAPH.node
val edge_attributes : Avl_draw.GRAPH.edge -> Avl_draw.edge_attributes
end