You can search for identifiers within the package.
in-package search v0.2.0
type !'a t =
| Rand of Rand.t
| List of 'a list
val ps_list : (Num.num * int list) list
val make : Num.num -> Num.num t
val get : Num.num t -> Num.num -> Num.num
val hd : (Num.num -> Num.num) t -> Num.num -> Num.num
val tl : 'a t -> 'a t
val nth : (Num.num -> Num.num) t -> int -> Num.num -> Num.num
val length : 'a t -> int