Strongly_connected_components.Makemodule Id : sig ... endmodule Id = IdIf (a -> set) belongs to the map, it means that there are edges from a to every element of set. It is assumed that no edge points to a vertex not represented in the map.
val connected_components_sorted_from_roots_to_leaf : directed_graph -> component arrayval component_graph : directed_graph -> (component * int list) array