annotate tests/pcase.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 71bafe66dbe1
children
rev   line source
adamc@173 1 val flip = fn x : int => case x of 0 => 1 | _ => 0
adamc@173 2
adamc@173 3 val zero = flip 1
adamc@173 4 val one = flip 0
adamc@173 5
adamc@173 6 val flipS = fn x : string => case x of "" => "Hello world!" | _ => ""
adamc@173 7
adamc@173 8 val s1 = flipS ""
adamc@173 9 val s2 = flipS "Boop"