regression/array7.sml

   1 (* This program tests the implementation of arrays whose length is important but
   2  * whose elements aren't.
   3  *)
   4 open Array
   5 val a = array (2, #"a")
   6 val _ = update (a, 0, #"b")
   7 val n = if sub (a, 0) = #"b"
   8            then 2
   9         else 1
  10 val _ =
  11    if 2 = length (array (n, 13))
  12       then ()
  13    else raise Fail "bug"