You can search for identifiers within the package.
in-package search v0.2.0
string_monoidable.ml
1 2 3 4 5 module type S = sig type t val to_string_monoid : t -> String_monoid.t end
1 2 3 4 5
module type S = sig type t val to_string_monoid : t -> String_monoid.t end