view tests/cancel.ur @ 2085:fd6d362666c0

Optimizing writes of single characters
author Adam Chlipala <adam@chlipala.net>
date Thu, 04 Dec 2014 19:54:04 -0500
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