`sig
type t = [ `Prod | `Test ]
val is_prod : Prod_or_test.t -> bool
val is_test : Prod_or_test.t -> bool
val of_prod_bool : bool -> Prod_or_test.t
val of_test_bool : bool -> Prod_or_test.t
val compare : Prod_or_test.t -> Prod_or_test.t -> int
val bin_t : Prod_or_test.t Core.Std.Bin_prot.Type_class.t
val bin_read_t : Prod_or_test.t Core.Std.Bin_prot.Read.reader
val __bin_read_t__ : (int -> Prod_or_test.t) Core.Std.Bin_prot.Read.reader
val bin_reader_t : Prod_or_test.t Core.Std.Bin_prot.Type_class.reader
val bin_size_t : Prod_or_test.t Core.Std.Bin_prot.Size.sizer
val bin_write_t : Prod_or_test.t Core.Std.Bin_prot.Write.writer
val bin_writer_t : Prod_or_test.t Core.Std.Bin_prot.Type_class.writer
val t_of_sexp : Sexplib.Sexp.t -> Prod_or_test.t
val __t_of_sexp__ : Sexplib.Sexp.t -> Prod_or_test.t
val sexp_of_t : Prod_or_test.t -> Sexplib.Sexp.t
end`