You can search for identifiers within the package.
in-package search v0.2.0
checkseum.ocaml
Checkseum
type bigstring = (char, Bigarray.int8_unsigned_elt, Bigarray.c_layout) Bigarray.Array1.t
module type S = sig ... end
module Adler32 : S
module Crc32c : S
module Crc32 : S
module Crc24 : S