Module S.Meta

type t
include Ppx_compare_lib.Comparable.S with type t := t
val compare : t Base__Ppx_compare_lib.compare
include Sexplib0.Sexpable.S with type t := t
val t_of_sexp : Sexplib0__.Sexp.t -> t
val sexp_of_t : t -> Sexplib0__.Sexp.t
include Ppx_hash_lib.Hashable.S with type t := t
val hash_fold_t : t Base__Ppx_hash_lib.hash_fold
val hash : t -> Base__Ppx_hash_lib.Std.Hash.hash_value
include Pretty.S with type t := t
val pp : Stdlib.Format.formatter -> t -> unit
val empty : t