[hcoop/debian/mlton.git] / lib / mlton / queue / queue.fun

(* Copyright (C) 1999-2006 Henry Cejtin, Matthew Fluet, Suresh
 *    Jagannathan, and Stephen Weeks.
 *
 * MLton is released under a BSD-style license.
 * See the file MLton-LICENSE for details.
 *)

functor Queue(Q: BASIC_QUEUE): QUEUE =
struct

val {error, ...} = Error.errors("queue", "queue")

structure Q' = Sequence(structure I = Integer
                        structure S = Q)

open Q Q'

fun deque q =
   case destruct q of
      SOME xq => xq
    | NONE => error "deque"

end
Commit	Line	Data
7f918cf1 CE	1	(* Copyright (C) 1999-2006 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	functor Queue(Q: BASIC_QUEUE): QUEUE =
	9	struct
	10
	11	val {error, ...} = Error.errors("queue", "queue")
	12
	13	structure Q' = Sequence(structure I = Integer
	14	structure S = Q)
	15
	16	open Q Q'
	17
	18	fun deque q =
	19	case destruct q of
	20	SOME xq => xq
	21	\| NONE => error "deque"
	22
	23	end