Source file yaml_unix.ml

(* 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 Rresult
open R.Infix
open Bos

let of_file f =
  OS.File.read f >>=
  Yaml.of_string

let to_file f y =
  Yaml.to_string y >>=
  OS.File.write f 

let of_file_exn f =
  match of_file f with
  | Ok v -> v
  | Error (`Msg m) -> raise (Failure m)

let to_file_exn f v =
  match to_file f v with
  | Ok () -> ()
  | Error (`Msg m) -> raise (Failure m)