annotate tests/broad_unif.ur @ 1394:d328983dc5a6

Allow subqueries to reference aggregate-only columns of free tables; treat non-COUNT aggregate functions as possibly returning NULL
author Adam Chlipala <adam@chlipala.net>
date Sat, 15 Jan 2011 14:53:13 -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