annotate tests/broad_unif.ur @ 1421:3dab4696d116

Subqueries may always return NULL
author Adam Chlipala <adam@chlipala.net>
date Thu, 03 Feb 2011 21:04:12 -0500
parents 71bafe66dbe1
children
rev   line source
adamc@76 1 structure M = struct
adamc@76 2 type t = int
adamc@76 3 val f = fn x => x
adamc@76 4 val y = f 0
adamc@76 5 end
adamc@76 6
adamc@76 7 signature S = sig
adamc@76 8 type t
adamc@76 9 val f : t -> t
adamc@76 10 end
adamc@76 11
adamc@76 12 structure M : S = struct
adamc@76 13 type t = int
adamc@76 14 val f = fn x => x
adamc@76 15 end