unikernel/duniverse/ocaml-ipaddr/lib/macaddr_sexp.ml

@@ -0,0 +1,31 @@
+(*
+ * Copyright (c) 2018 Anil Madhavapeddy <anil@recoil.org>
+ *
+ * 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.
+ *
+ *)
+
+open Sexplib0
+
+let of_sexp fn = function
+  | Sexp.List _ -> failwith "expecting sexp atom"
+  | Sexp.Atom s -> (
+      match fn s with Ok r -> r | Error (`Msg msg) -> failwith msg)
+
+let to_sexp fn t = Sexp.Atom (fn t)
+
+type t = Macaddr.t
+
+let sexp_of_t = to_sexp Macaddr.to_string
+let t_of_sexp = of_sexp Macaddr.of_string
+let compare = Macaddr.compare