Ur/Web: tests/ms.ur annotate

Tutorial: hyperlinks for metaprogramming and row types

author	Adam Chlipala <adam@chlipala.net>
date	Wed, 20 Jul 2011 08:14:49 -0400
parents	17393c5e2b90
children

rev	line source
adam@1447	1 table ms : {Client : client, Channel : channel xbody}
adam@1447	2
adam@1447	3 val hitMe =
adam@1447	4 me <- self;
adam@1447	5 ch <- oneRowE1 (SELECT (ms.Channel)
adam@1447	6 FROM ms
adam@1447	7 WHERE ms.Client = {[me]});
adam@1447	8
adam@1447	9 s <- source 0;
adam@1447	10 send ch <xml>
adam@1447	11 <dyn signal={n <- signal s; return <xml>{[n]}</xml>}/>
adam@1447	12 <button value="Inc" onclick={n <- get s; set s (n + 1)}/>
adam@1447	13 </xml>
adam@1447	14
adam@1447	15 fun main' () =
adam@1447	16 me <- self;
adam@1447	17 ch <- channel;
adam@1447	18 dml (INSERT INTO ms (Client, Channel) VALUES ({[me]}, {[ch]}));
adam@1447	19
adam@1447	20 s <- source <xml/>;
adam@1447	21
adam@1447	22 return <xml><body onload={let
adam@1447	23 fun loop () =
adam@1447	24 x <- recv ch;
adam@1447	25 set s x;
adam@1447	26 loop ()
adam@1447	27 in
adam@1447	28 loop ()
adam@1447	29 end}>
adam@1447	30 <button value="Another" onclick={rpc hitMe}/>
adam@1447	31 <dyn signal={signal s}/>
adam@1447	32 </body></xml>
adam@1447	33
adam@1447	34 fun main () =
adam@1447	35 return <xml><body><form><submit action={main'}/></form></body></xml>

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