You can search for identifiers within the package.
in-package search v0.2.0
type t = private
| Oid of int * int * int list
val compare : t -> t -> int
val equal : t -> t -> bool
val hash : t -> int
val seeded_hash : int -> t -> int
val base : int -> int -> t
val base_opt : int -> int -> t option
val (<|) : t -> int -> t
val (<||) : t -> int list -> t
val to_nodes : t -> int * int * int list
val of_nodes : int -> int -> int list -> t option
val pp : Format.formatter -> t -> unit
val of_string : string -> t option