view tests/mutual.ur @ 1489:4437b008e0ab

Narrow Maybe match case.
author Karn Kallio <kkallio@eka>
date Wed, 06 Jul 2011 18:54:23 -0430
parents 61a1f5c5ae2c
children
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datatype foo = A | B of bar
and bar = C | D of foo

val q = B (D A)

fun main () = return <xml>
  {case q of
       B (D A) => <xml>Good</xml>
     | _ => <xml>Bad</xml>}
</xml>