type item = private {dinfo_file : string;dinfo_line : int;dinfo_char_start : int;dinfo_char_end : int;dinfo_start_bol : int;dinfo_end_bol : int;dinfo_end_line : int;}type t = item list
val none : tval is_none : t -> boolval to_string : t -> stringval from_location : Location.t -> tval to_location : t -> Location.tval concat : t -> t -> tval inline : Location.t -> t -> tval compare : t -> t -> intval hash : t -> intval print_compact : Stdlib.Format.formatter -> t -> unit