view tests/onerror.ur @ 1501:841b08995259

Module system tutorial
author Adam Chlipala <adam@chlipala.net>
date Sat, 16 Jul 2011 11:48:11 -0400
parents b4480a56cab7
children
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fun main n =
  case n of
      0 => error <xml>Zero is bad!</xml>
    | _ => return <xml/>