(*
 * Copyright (c) 2021 Dailambda, Inc. <contact@dailambda.jp>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *)

include Hex

let to_char x y =
  try Some (Hex.to_char x y) with Stdlib.Invalid_argument _ -> None

let to_string h =
  try Some (Hex.to_string h) with Stdlib.Invalid_argument _ -> None

let to_bytes_exn = Hex.to_bytes

let to_bytes h =
  try Some (Hex.to_bytes h) with Stdlib.Invalid_argument _ -> None