view tests/cancel.ur @ 1591:20f898c29525

Tweaks to choices of source positions to use in error messages, including for subSgn
author Adam Chlipala <adam@chlipala.net>
date Sat, 05 Nov 2011 13:12:07 -0400
parents dfb38a333816
children
line wrap: on
line source
type t = {A : int, B : float, C : string}
type u = {A : int, C : string, D : bool}

fun f (x : t) = x
fun g (x : u) = f x

fun h [ts] [ts ~ [A]] (r : $([A = int] ++ ts)) : $([A = int, B = float] ++ ts) = r