annotate demo/increment.ur @ 731:e0dd85ea58e1

Label exported symbols by effect-ness; factor out some common datatypes
author Adam Chlipala <adamc@hcoop.net>
date Thu, 16 Apr 2009 14:49:25 -0400
parents 3c6d535d3d8b
children 15ddd64a5113
rev   line source
adamc@648 1 sequence seq
adamc@648 2
adamc@648 3 fun increment () = nextval seq
adamc@648 4
adamc@648 5 fun main () =
adamc@648 6 src <- source 0;
adamc@648 7 return <xml><body>
adamc@648 8 <dyn signal={n <- signal src; return <xml>{[n]}</xml>}/>
adamc@648 9 <button value="Update" onclick={n <- increment (); set src n}/>
adamc@648 10 </body></xml>