You can search for identifiers within the package.
in-package search v0.2.0
type 'a t = {
values : 'a Indexed.t list;
named : int String_map.t;
}
val empty : 'a t
val fold : (int -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b
val map : ('a Indexed.t -> 'b Indexed.t) -> 'a t -> 'b t