Memory_builder.Port_label
type t =
| A
| B
val sexp_of_t : t -> Sexplib0.Sexp.t
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 all : t list