Mercurial > urweb

view demo/increment.ur @ 1774:27fdd78bd2f5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Avoid redundant rollbacks
author Adam Chlipala <adam@chlipala.net>
date Sat, 02 Jun 2012 10:54:49 -0400
parents ed06e25c70ef
children e6bc6bbd7a32
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 <- rpc (increment ()); set src n}/>
    </body></xml>