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Catch UnboundNamed exceptions that arise from missing signature items
author Adam Chlipala <adam@chlipala.net>
date Fri, 21 Oct 2011 08:51:30 -0400
parents dc4c61363d0a
children
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fun id n = if n = 0 then 0 else 1 + id (n - 1)

fun main () : transaction page = return <xml><body>
  <button onclick={alert (show (id 3))}/>
</body></xml>