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Saving proper environments, to use in displaying nested error messages
author Adam Chlipala <adam@chlipala.net>
date Sat, 21 Apr 2012 14:57:00 -0400
parents b4480a56cab7
children
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line source
fun main n =
  case n of
      0 => error <xml>Zero is bad!</xml>
    | _ => return <xml/>