[hcoop/debian/mlton.git] / lib / mlton / basic / clearable-promise.sig

(* Copyright (C) 1999-2005 Henry Cejtin, Matthew Fluet, Suresh
 *    Jagannathan, and Stephen Weeks.
 *
 * MLton is released under a BSD-style license.
 * See the file MLton-LICENSE for details.
 *)

signature CLEARABLE_PROMISE =
   sig
      type 'a t

      exception Force

      val clear: 'a t -> unit
      val delay: (unit -> 'a) -> 'a t
      val force: 'a t -> 'a
   end
Commit	Line	Data
7f918cf1 CE	1	(* Copyright (C) 1999-2005 Henry Cejtin, Matthew Fluet, Suresh
	2	* Jagannathan, and Stephen Weeks.
	3	*
	4	* MLton is released under a BSD-style license.
	5	* See the file MLton-LICENSE for details.
	6	*)
	7
	8	signature CLEARABLE_PROMISE =
	9	sig
	10	type 'a t
	11
	12	exception Force
	13
	14	val clear: 'a t -> unit
	15	val delay: (unit -> 'a) -> 'a t
	16	val force: 'a t -> 'a
	17	end