Module `1-G.V`

Vertices have type V.t and are labeled with type V.label (note that an implementation may identify the vertex with its label)

type t = HM.key

include Sig.COMPARABLE with type t := t

type t

val compare : t -> t -> int
val hash : t -> int
val equal : t -> t -> bool

type label

val create : label -> t
val label : t -> label