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view tests/urlifyVariant.ur @ 1887:2e6795cc992f

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A fancier test for the new SQL constraints subtyping
author Adam Chlipala <adam@chlipala.net>
date Mon, 04 Nov 2013 16:00:48 -0500
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>