You can search for identifiers within the package.
in-package search v0.2.0
module Opcode : sig ... end
type t = {
opcode : Opcode.t;
extension : int;
final : bool;
content : string;
}
val create : ?opcode:Opcode.t -> ?extension:int -> ?final:bool -> ?content:string -> unit -> t
val close : int -> t
val show : t -> string