You can search for identifiers within the package.
in-package search v0.2.0
type t = string
val pp : Ppx_deriving_runtime.Format.formatter -> t -> Ppx_deriving_runtime.unit
val show : t -> Ppx_deriving_runtime.string
val equal : t -> t -> Ppx_deriving_runtime.bool
module Map : sig ... end
module Set : sig ... end