Mercurial > urweb
view tests/sig_wild.ur @ 715:1db127b245ed
Use FOREIGN KEY in Tree demo
author | Adam Chlipala <adamc@hcoop.net> |
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date | Thu, 09 Apr 2009 15:51:50 -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