annotate demo/counter.ur @ 1228:7dfa67560916

Using multiple policies to check a written value
author Adam Chlipala <adamc@hcoop.net>
date Sun, 11 Apr 2010 16:46:38 -0400
parents 679b2fbbd4d0
children 4359e185d3af
rev   line source
adamc@416 1 fun counter n = return <xml><body>
adamc@416 2 Current counter: {[n]}<br/>
adamc@416 3 <a link={counter (n + 1)}>Increment</a><br/>
adamc@416 4 <a link={counter (n - 1)}>Decrement</a>
adamc@416 5 </body></xml>
adamc@416 6
adamc@416 7 fun main () = counter 0