You can search for identifiers within the package.
in-package search v0.2.0
type t =
| Ios of string
| Iol of t list
| Iol_size of int * t list
| Iob of char
| IBuf of IBuf.t
val ios : string -> t
val iol : t list -> t
val iob : char -> t
val to_buffer0 : Buffer.t -> t -> unit
val size : t -> int
val iol_size : t list -> t
val iol_known_size : int -> t list -> t
val to_string : t -> string
val to_buffer : t -> Buffer.t
val to_channel : out_channel -> t -> unit