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view tests/urlifyVariant.ur @ 1742:fca4a6d05ac1

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More diagnostic information about some type class resolution failures
author Adam Chlipala <adam@chlipala.net>
date Fri, 04 May 2012 10:33:04 -0400
parents 02533f681ad2
children
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datatype t = T of variant [A = t]

fun main (x : t) : transaction page = return <xml><body>
  <a link={main x}>Go</a>
</body></xml>