view demo/increment.ur @ 684:f0224c7f12bb

Expunging nullable fields
author Adam Chlipala <adamc@hcoop.net>
date Sun, 29 Mar 2009 14:13:50 -0400
parents 3c6d535d3d8b
children 15ddd64a5113
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>