You can search for identifiers within the package.
in-package search v0.2.0
rfsm
Rfsm.Location
type t =
| Loc of string * int * int
Filename, position of the first character, position of the next character following the last one
val mk : (Lexing.position * Lexing.position) -> t
val get_current_location : unit -> t
val no_location : t
val input_name : string ref
val input_chan : in_channel ref
val input_lexbuf : Lexing.lexbuf ref
val pp_location : Format.formatter -> t -> unit
val pp_input_name : Format.formatter -> unit
val string_of_location : t -> string
val text_of_location : t -> string