annotate tests/mutual.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 61a1f5c5ae2c
children
rev   line source
adamc@805 1 datatype foo = A | B of bar
adamc@805 2 and bar = C | D of foo
adamc@807 3
adamc@807 4 val q = B (D A)
adamc@807 5
adamc@807 6 fun main () = return <xml>
adamc@807 7 {case q of
adamc@807 8 B (D A) => <xml>Good</xml>
adamc@807 9 | _ => <xml>Bad</xml>}
adamc@807 10 </xml>