view tests/parseInt.ur @ 1795:d28adceef22a

Allow type class instances with hypotheses via local ('let') definitions
author Adam Chlipala <adam@chlipala.net>
date Wed, 25 Jul 2012 14:04:59 -0400
parents 4798ad652c94
children
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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>