Ur/Web: tests/rpcN.ur annotate

Tutorial: link to demo and manual

author	Adam Chlipala <adam@chlipala.net>
date	Sun, 17 Jul 2011 14:49:52 -0400
parents	5891f47d7cff
children

rev	line source
adamc@614	1 table t : { A : int }
adamc@614	2
adamc@614	3 fun main () : transaction page =
adamc@614	4 let
adamc@614	5 fun count a = r <- oneRow (SELECT COUNT( * ) AS N FROM t WHERE t.A = {[a]});
adamc@614	6 return r.N
adamc@614	7 in
adamc@614	8 s <- source 0;
adamc@614	9 return <xml><body>
adamc@614	10 <button value="Get It On!"
adamc@614	11 onclick={n <- count 3;
adamc@614	12 set s n}/><br/>
adamc@614	13 <br/>
adamc@614	14 Current: <dyn signal={n <- signal s; return <xml>{[n]}</xml>}/>
adamc@614	15 </body></xml>
adamc@614	16 end

Mercurial > urweb