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annotate tests/dtfunctor.ur @ 1886:b7cd3c7c7edd

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Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
author Adam Chlipala <adam@chlipala.net>
date Mon, 04 Nov 2013 15:14:23 -0500
parents 21ecf340f05c
children
rev   line source
adam@1704 1 functor Make(M : sig end) = struct
adam@1704 2 datatype t = A | B
adam@1704 3 end
adam@1704 4
adam@1704 5 structure A = Make(struct end)
adam@1704 6 structure B = Make(struct end)
adam@1704 7
adam@1704 8 fun main (x : A.t) (y : B.t) : transaction page =
adam@1704 9 return <xml/>