Module type Flow.G_GOLDBERG

module type G_GOLDBERG = sig .. end
Minimal graph signature for Goldberg. Sub-signature of Sig.G.

type t 
module V: Sig.COMPARABLE 
module E: Sig.EDGE  with type vertex = V.t
val nb_vertex : t -> int
val iter_vertex : (V.t -> unit) -> t -> unit
val iter_edges_e : (E.t -> unit) -> t -> unit
val fold_succ_e : (E.t -> 'a -> 'a) -> t -> V.t -> 'a -> 'a
val fold_pred_e : (E.t -> 'a -> 'a) -> t -> V.t -> 'a -> 'a