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view tests/stringToTime.ur @ 1690:a7b70c7b3f1a

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Avoid 'not fully determined' errors for fancy tasks
author Adam Chlipala <adam@chlipala.net>
date Sat, 03 Mar 2012 16:20:54 -0500
parents 252e05bf199d
children
line wrap: on
line source
fun main () : transaction page =
    s <- source "";
    return <xml><body>
      <ctextbox source={s}/>
      <button onclick={v <- get s; alert (show (readError v : time))}/>
      <button onclick={v <- get s; case read v : option time of
                                       None => alert "Invalid"
                                     | Some tm => alert (show tm)}/>
    </body></xml>