You can search for identifiers within the package.
in-package search v0.2.0
module S : Colibri2_popop_lib.Popop_stdlib.Datatype
type ('a, 'b) t
val create : 'a Containers.Format.printer -> string -> ('b Egraph.t -> S.t -> 'a) -> ('a, 'b) t
val find : ('a, 'b) t -> 'b Egraph.t -> S.t -> 'a
val iter : (S.t -> 'a -> unit) -> ('a, 'b) t -> 'b Egraph.t -> unit
val fold : (S.t -> 'a -> 'acc -> 'acc) -> ('a, 'b) t -> 'b Egraph.t -> 'acc -> 'acc