view tests/simplify.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 dd12d6d9e9a7
children
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fun main [r] (r : $([A = int] ++ ([B = float] ++ r))) : $([A = float] ++ ([B = int] ++ r)) = r