annotate demo/increment.ur @ 1719:0bafdfae2ac7

Saving proper environments, to use in displaying nested error messages
author Adam Chlipala <adam@chlipala.net>
date Sat, 21 Apr 2012 14:57:00 -0400
parents ed06e25c70ef
children e6bc6bbd7a32
rev   line source
adamc@648 1 sequence seq
adamc@648 2
adamc@648 3 fun increment () = nextval seq
adamc@648 4
adamc@782 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@908 9 <button value="Update" onclick={n <- rpc (increment ()); set src n}/>
adamc@648 10 </body></xml>