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view tests/parseInt.ur @ 1735:ec47f49c6aa3

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In simplifying constructors for error messages, unfold constructor synonyms from modules
author Adam Chlipala <adam@chlipala.net>
date Wed, 02 May 2012 08:23:30 -0400
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>