You can search for identifiers within the package.
in-package search v0.2.0
dune-project
sha256=72e98ea01a97376d974ef61c278ddc22d2dc44742948f53790651a79f5c02b3e
md5=61631634e5e91017281676253ff690e5
Pdftype1
val to_type3 : 'a -> 'b -> 'b