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module Stable = struct
open Core.Core_stable
module Version = struct
type t = V2 [@@deriving bin_io, sexp, compare]
let%expect_test "bin_digest Message.Version.V2" =
print_endline [%bin_digest: t];
[%expect {| 6ae8dff060dc8c96585060b4f76d2974 |}]
;;
let ( <> ) t1 t2 = compare t1 t2 <> 0
let to_string t = Core.Sexp.to_string (sexp_of_t t)
end
module Make (T : Versioned_intf.S with type version := Version.t) = struct
module Versioned = struct
type 'a t = Version.t * 'a T.t [@@deriving bin_io, sexp]
end
let of_versioned (version, t) =
if Version.( <> ) version T.version
then
Core.failwithf
!"version mismatch %{Version} <> to expected version %{Version}"
version
T.version
()
else t
;;
type 'time t = 'time T.t
include
Sexpable.Of_sexpable1.V1
(Versioned)
(struct
type nonrec 'time t = 'time T.t
let to_sexpable t = T.version, t
let of_sexpable = of_versioned
end)
include
Binable.Of_binable1.V1 [@alert "-legacy"]
(Versioned)
(struct
type 'time t = 'time T.t
let to_binable t = T.version, t
let of_binable = of_versioned
end)
end
end