ext_ref.mli

(* Copyright (C) 2015-2016 Bloomberg Finance L.P.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * In addition to the permissions granted to you by the LGPL, you may combine
 * or link a "work that uses the Library" with a publicly distributed version
 * of this file to produce a combined library or application, then distribute
 * that combined work under the terms of your choosing, with no requirement
 * to comply with the obligations normally placed on you by section 4 of the
 * LGPL version 3 (or the corresponding section of a later version of the LGPL
 * should you choose to use a later version).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *)

(** [non_exn_protect ref value f] assusme [f()] 
    would not raise
*)

val non_exn_protect : 'a ref -> 'a -> (unit -> 'b) -> 'b

val protect : 'a ref -> 'a -> (unit -> 'b) -> 'b

val protect2 : 'a ref -> 'b ref -> 'a -> 'b -> (unit -> 'c) -> 'c

val non_exn_protect2 : 'a ref -> 'b ref -> 'a -> 'b -> (unit -> 'c) -> 'c
(** [non_exn_protect2 refa refb va vb f ]
    assume [f ()] would not raise
*)

val protect_list : ('a ref * 'a) list -> (unit -> 'b) -> 'b