module Display:sig..end
include G
val vertex_name : int -> stringval graph_attributes : 'a -> 'b listval get_subgraph : 'a -> 'b optionval default_edge_attributes : 'a -> 'b listval default_vertex_attributes : 'a -> 'b listval vertex_attributes : 'a -> 'b listval edge_attributes : 'a -> 'b list