Ur/Web: demo/increment.ur annotate

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author	Adam Chlipala <adamc@hcoop.net>
date	Sat, 28 Mar 2009 11:15:42 -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>

Mercurial > urweb