1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
|
module Try1
use int.Int
use ref.Ref
exception Myexc int
let b [@bddinfer] [@infer](_:int) : int
ensures { result = 10 }
=
let i = ref 0 in
i := 0;
while !i < 10 do
variant { 10 - !i }
try
raise (Myexc (!i + 1));
i := !i - 1;
with
| Myexc(a) -> i := a
end
done;
!i
let b2 [@bddinfer] [@infer:oct](_:int) : int
ensures { result = 10 }
=
let i = ref 0 in
i := 0;
while !i < 10 do
variant { 10 - !i }
try
raise (Myexc (!i + 1));
i := !i - 1;
with
| Myexc(a) -> i := a
end
done;
!i
end
|