annotate tests/cancel.ur @ 1963:fec7beec96c7

Make that purity analysis a bit more lax again
author Adam Chlipala <adam@chlipala.net>
date Sun, 19 Jan 2014 14:31:55 -0500
parents dfb38a333816
children
rev   line source
adam@1582 1 type t = {A : int, B : float, C : string}
adam@1582 2 type u = {A : int, C : string, D : bool}
adam@1582 3
adam@1582 4 fun f (x : t) = x
adam@1582 5 fun g (x : u) = f x
adam@1582 6
adam@1582 7 fun h [ts] [ts ~ [A]] (r : $([A = int] ++ ts)) : $([A = int, B = float] ++ ts) = r