Module type Topological.G


module type G = sig .. end
Minimal graph signature to provide. Sub-signature of Sig.G.

type t 
module V: Sig.HASHABLE 
val iter_vertex : (V.t -> unit) -> t -> unit
val iter_succ : (V.t -> unit) -> t -> V.t -> unit
val in_degree : t -> V.t -> int