sig
type graph
type vertex
type edge_label
val graph : ?loops:bool -> v:int -> e:int -> unit -> Rand.S.graph
val labeled :
(Rand.S.vertex -> Rand.S.vertex -> Rand.S.edge_label) ->
?loops:bool -> v:int -> e:int -> unit -> Rand.S.graph
val random_few_edges : loops:bool -> v:int -> e:int -> Rand.S.graph
val random_many_edges : loops:bool -> v:int -> e:int -> Rand.S.graph
end