let random_state = Random.State.make_self_init ()
type t = Uuidm.t
let compare = Uuidm.compare
let to_string = Uuidm.to_string
let of_string = Uuidm.of_string
let to_bytes = Uuidm.to_bytes
let of_bytes = Uuidm.of_bytes
let generate ?(random_state=random_state) = Uuidm.v4_gen random_state
let nil = Uuidm.nil