move_id.ml1 2 3 4 5 6 7 8 9 10 11 12 13 14module Stable = struct open! Core.Core_stable module V1 = struct type t = int [@@deriving sexp, bin_io, compare] end end open! Core include Stable.V1 let zero = 0 let succ = Int.succ let to_string = Int.to_string