You can search for identifiers within the package.
in-package search v0.2.0
module H : Stdlib.Hashtbl.HashedType
type 'a t
val create : ?weight:('a -> int) -> int -> 'a t
val add : 'a t -> H.t -> 'a -> unit
val find : 'a t -> H.t -> 'a
val mem : 'a t -> H.t -> bool
val clear : 'a t -> unit
val iter : 'a t -> (H.t -> 'a -> unit) -> unit