Ur/Web: tests/dynClass.ur annotate

Fix a read-after-free bug using a timestamp check

author	Adam Chlipala <adam@chlipala.net>
date	Thu, 19 Nov 2015 13:18:58 -0500
parents	2b2d07946e65
children

rev	line source
adam@1751	1 style date
adam@1751	2 style topic
adam@1643	3
adam@1643	4 fun main () : transaction page =
adam@1643	5 toggle <- source False;
adam@1643	6 return <xml>
adam@1643	7 <head>
adam@1751	8 <link rel="stylesheet" type="text/css" href="http://adam.chlipala.net/style.css"/>
adam@1643	9 </head>
adam@1643	10 <body>
adam@1751	11 <button dynClass={b <- signal toggle;
adam@1751	12 return (if b then date else topic)}
adam@1751	13 dynStyle={b <- signal toggle;
adam@1751	14 return (if b then
adam@1751	15 STYLE "width: 500px"
adam@1751	16 else
adam@1751	17 STYLE "width: 200px")}
adam@2012	18 onclick={fn _ => b <- get toggle; set toggle (not b)}/>
adam@1643	19
adam@1751	20 <button dynStyle={b <- signal toggle;
adam@1751	21 return (if b then
adam@1751	22 STYLE "width: 200px"
adam@1751	23 else
adam@1751	24 STYLE "width: 100px")}/>
adam@1751	25 <button dynClass={b <- signal toggle;
adam@1751	26 return (if b then
adam@1751	27 topic
adam@1751	28 else
adam@1751	29 date)}/>
adam@1643	30 </body>
adam@1643	31 </xml>

Mercurial > urweb