view tests/cancel.ur @ 2082:1b76ae703cbb

Some more optimization of string expressions showing up in JSON generation (Meta library)
author Adam Chlipala <adam@chlipala.net>
date Wed, 03 Dec 2014 21:06:15 -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