Mercurial > urweb

sequence seq

fun increment () = nextval seq

fun main () =
    src <- source 0;
    return <xml><body>
      <dyn signal={n <- signal src; return <xml>{[n]}</xml>}/>
      <button value="Update" onclick={n <- increment (); set src n}/>
    </body></xml>
author	Adam Chlipala <adamc@hcoop.net>
date	Sun, 31 May 2009 15:25:27 -0400
parents	a44daa674810
children	ed06e25c70ef