include module type of struct include Stdlib.Lazy end
type !'a t = 'a CamlinternalLazy.tval is_val : 'a t -> boolval from_val : 'a -> 'a tval map_val : ('a -> 'b) -> 'a t -> 'b tval from_fun : (unit -> 'a) -> 'a tval force_val : 'a t -> 'amodule Mutexed : sig ... endval map : f:('a -> 'b) -> 'a t -> 'b t