Mercurial > urweb
view tests/sig_wild.ur @ 709:0406e9cccb72
FOREIGN KEY, without ability to link NULL to NOT NULL (and with some lingering problems in row inference)
author | Adam Chlipala <adamc@hcoop.net> |
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date | Tue, 07 Apr 2009 18:47:47 -0400 |
parents | 71bafe66dbe1 |
children |
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signature S = sig type t val x : t end structure M : S = struct type t = _ val x = 0 end