view tests/cancel.ur @ 1968:2c075e875a47

Fix a subtle renaming problem in elaborating functor applications
author Adam Chlipala <adam@chlipala.net>
date Fri, 14 Feb 2014 15:11:22 -0500
parents dfb38a333816
children
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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