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atomic_write.ml
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atomic_write.ml
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(*
* Copyright (c) 2018-2022 Tarides <contact@tarides.com>
*
* 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! Import
include Atomic_write_intf
module Value = struct
module type S = Value
module Of_hash (X : Irmin.Hash.S) = struct
type t = X.t [@@deriving irmin ~of_bin_string]
let null =
match of_bin_string (String.make X.hash_size '\000') with
| Ok x -> x
| Error _ -> assert false
end
end
module Closeable (AW : S) = struct
include Irmin.Atomic_write.Check_closed_store (AW)
let flush t = get_if_open_exn t |> AW.flush
end