annotate tests/aborter2.ur @ 773:74a090ff296e

constraints demo
author Adam Chlipala <adamc@hcoop.net>
date Sun, 03 May 2009 12:01:55 -0400
parents 7009b0ac1501
children
rev   line source
adamc@425 1 table t : { X : int }
adamc@425 2
adamc@425 3 fun main () : transaction page =
adamc@425 4 v <- query (SELECT * FROM t)
adamc@425 5 (fn r (_ : int) => return (error <xml>Shot down!</xml>))
adamc@425 6 0;
adamc@425 7 return <xml>Result: {[v]}</xml>