Mercurial > urweb
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> |
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date | Sat, 15 Jan 2011 14:53:13 -0500 |
parents | 71bafe66dbe1 |
children |
rev | line source |
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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 |