view demo/increment.ur @ 845:6725d73c3c31

Mark current as effectful; add List functions
author Adam Chlipala <adamc@hcoop.net>
date Tue, 09 Jun 2009 11:12:34 -0400
parents a44daa674810
children ed06e25c70ef
line wrap: on
line source
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>