annotate tests/subs_sig.ur @ 1421:3dab4696d116

Subqueries may always return NULL
author Adam Chlipala <adam@chlipala.net>
date Thu, 03 Feb 2011 21:04:12 -0500
parents 71bafe66dbe1
children
rev   line source
adamc@65 1 signature S = sig
adamc@65 2 type t
adamc@65 3 end
adamc@65 4
adamc@65 5 structure S : S = struct
adamc@65 6 type t = int
adamc@65 7 end