annotate tests/urlifyVariant.ur @ 2160:72fe1cc704c5

Tag NULLs with their types in SQL, to help the DBMS do type inference
author Adam Chlipala <adam@chlipala.net>
date Sat, 04 Jul 2015 19:24:26 -0400
parents 02533f681ad2
children
rev   line source
adam@1730 1 datatype t = T of variant [A = t]
adam@1730 2
adam@1730 3 fun main (x : t) : transaction page = return <xml><body>
adam@1730 4 <a link={main x}>Go</a>
adam@1730 5 </body></xml>