You can search for identifiers within the package.
in-package search v0.2.0
type t = {
year : int;
month : int;
mday : int;
hours : int;
minutes : int;
seconds : int;
tz_hours : int;
tz_minutes : int;
}
type gen_t = unit -> t
val current_gen : unit -> t
val zero_gen : unit -> t