You can search for identifiers within the package.
in-package search v0.2.0
val msg_of_msgpck : Msgpck.t -> (Msgpck.t Wamp.msg, string) Result.result
val msg_to_msgpck : Msgpck.t Wamp.msg -> Msgpck.t
val hello : Uri.t -> Wamp.role list -> Msgpck.t Wamp.msg
val subscribe : ?reqid:int -> ?options:Msgpck.t Wamp.dict -> Uri.t -> int * Msgpck.t Wamp.msg