Functor Oper.Difference.I


module I: 
functor (G : Sig.I) -> sig .. end
Imperative implementation
Parameters:
G : Sig.I

module VertexSet: Set.S  with type elt = G.V.t
val minus_vertex : G.t -> G.V.t -> unit
val minus_vertices : G.t -> VertexSet.t -> unit