view tests/showTime.ur @ 2001:16f5f136a807

uw_register_transactional() can return error codes
author Adam Chlipala <adam@chlipala.net>
date Thu, 17 Apr 2014 17:41:24 -0400
parents 438561303d02
children
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line source
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>