You can search for identifiers within the package.
in-package search v0.2.0
type group_elt
type integer
val primitive : string
val group_elt_size : int
val integer_size : int
val equal_group_elt : group_elt -> group_elt -> bool
val equal_integer : integer -> integer -> bool
val mult : integer -> group_elt -> group_elt
val base : integer -> group_elt
module type S = sig ... end
module Bytes : sig ... end
module Bigbytes : sig ... end