Mercurial > urweb
view tests/sig_wild.ur @ 1887:2e6795cc992f
A fancier test for the new SQL constraints subtyping
author | Adam Chlipala <adam@chlipala.net> |
---|---|
date | Mon, 04 Nov 2013 16:00:48 -0500 |
parents | 71bafe66dbe1 |
children |
line wrap: on
line source
signature S = sig type t val x : t end structure M : S = struct type t = _ val x = 0 end