type t =
| Lt
| Le
| Eq
| Neq
| Gt
| Ge
| In
| NotIn
| Is
| IsNot
| Exception
| BAD
include Ppx_compare_lib.Comparable.S with type t := t
val compare : t Base__Ppx_compare_lib.compare
include Ppx_enumerate_lib.Enumerable.S with type t := t
val to_string : t -> string
val pp : Stdlib.Format.formatter -> t -> unit