view tests/showTime.ur @ 1648:bd7edca0aec1

Discuss a subtlety in the semantics of <dyn>
author Adam Chlipala <adam@chlipala.net>
date Thu, 29 Dec 2011 10:04:09 -0500
parents 438561303d02
children
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fun main () : transaction page =
    tm <- now;
    s <- source tm;
    return <xml><body>
      <b>Server:</b> {[tm]}<br/>
      <b>Client:</b> <dyn signal={v <- signal s; return (txt v)}/>
      <button value="Recalculate" onclick={tm <- now; set s tm}/>
    </body></xml>