You can search for identifiers within the package.
in-package search v0.2.0
val host : string
val port : int option
val protocol : string
val path_string : string
val path : string list
val arguments : (string * string) list
val get_fragment : unit -> string
val set_fragment : string -> unit
val get : unit -> url option
val set : url -> unit
val as_string : string