view tests/parseInt.ur @ 2095:d9f918b79b5a

List.mem
author Adam Chlipala <adam@chlipala.net>
date Tue, 23 Dec 2014 14:41:23 -0500
parents 4798ad652c94
children
line wrap: on
line source
fun main () : transaction page =
    s <- source "";
    return <xml><body>
      <ctextbox source={s}/>
      <button onclick={n <- get s;
                       case read n of
                           None => alert "Invalid"
                         | Some n => alert (show (n + 1))}/>
    </body></xml>