[hcoop/debian/mlton.git] / regression / weak.2.sml

structure Weak = MLton.Weak

val x = (13, ref 5)
val wx = Weak.new x
fun isAlive () = isSome (Weak.get wx)
val _ = MLton.GC.collect ()
val _ = print (Bool.toString (isAlive ()) ^ "\n")

(*
fun sum (x : int * (int list ref vector * int * int) ref) =
   #1 x +
   #2 (! (#2 x)) +
   #3 (! (#2 x)) +
   Vector.foldr (fn (lr,s) => List.foldr (op +) s (!lr)) 0 (#1 (! (#2 x)))

val x = (13, ref (Vector.tabulate (10, fn n => ref (List.tabulate (n, fn i => i))),
                  4, 
                  5))
val wx = Weak.new x
fun isAlive () = isSome (Weak.get wx)
val _ = MLton.GC.collect ()
val _ = print (Bool.toString (isAlive ()) ^ "\n")
val s1 = sum x
*)
Commit	Line	Data
7f918cf1 CE	1	structure Weak = MLton.Weak
	2
	3	val x = (13, ref 5)
	4	val wx = Weak.new x
	5	fun isAlive () = isSome (Weak.get wx)
	6	val _ = MLton.GC.collect ()
	7	val _ = print (Bool.toString (isAlive ()) ^ "\n")
	8
	9	(*
	10	fun sum (x : int * (int list ref vector * int * int) ref) =
	11	#1 x +
	12	#2 (! (#2 x)) +
	13	#3 (! (#2 x)) +
	14	Vector.foldr (fn (lr,s) => List.foldr (op +) s (!lr)) 0 (#1 (! (#2 x)))
	15
	16	val x = (13, ref (Vector.tabulate (10, fn n => ref (List.tabulate (n, fn i => i))),
	17	4,
	18	5))
	19	val wx = Weak.new x
	20	fun isAlive () = isSome (Weak.get wx)
	21	val _ = MLton.GC.collect ()
	22	val _ = print (Bool.toString (isAlive ()) ^ "\n")
	23	val s1 = sum x
	24	*)