You can search for identifiers within the package.
in-package search v0.2.0
val name : string
val get_map : unit -> Hmap.t option
val with_map : Hmap.t -> (unit -> 'a) -> 'a
val create_key : unit -> 'a Hmap.key
val get : 'a Hmap.key -> 'a option
val with_binding : 'a Hmap.key -> 'a -> (unit -> 'b) -> 'b
val without_binding : 'a Hmap.key -> (unit -> 'b) -> 'b