You can search for identifiers within the package.
in-package search v0.2.0
type position = Stdlib.Lexing.position = {
pos_fname : string;
pos_lnum : int;
pos_bol : int;
pos_cnum : int;
}
and location = Location.t = {
loc_start : position;
loc_end : position;
loc_ghost : bool;
val position_of_yojson : Ppx_yojson_conv_lib.Yojson.Safe.t -> position
val location_of_yojson : Ppx_yojson_conv_lib.Yojson.Safe.t -> location
val yojson_of_position : position -> Ppx_yojson_conv_lib.Yojson.Safe.t
val yojson_of_location : location -> Ppx_yojson_conv_lib.Yojson.Safe.t