Mercurial > urweb
view tests/include.ur @ 1357:a0f0823a54a0
Allow SQL aggregation over nullable types
author | Adam Chlipala <adam@chlipala.net> |
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date | Tue, 21 Dec 2010 17:01:51 -0500 |
parents | 71bafe66dbe1 |
children |
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signature S = sig type t val x : t end signature S' = sig include S val y : t end signature S'' = sig type u include S' where type t = int type v end