annotate tests/sig_wild.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@77 1 signature S = sig
adamc@77 2 type t
adamc@77 3 val x : t
adamc@77 4 end
adamc@77 5
adamc@77 6 structure M : S = struct
adamc@77 7 type t = _
adamc@77 8 val x = 0
adamc@77 9 end