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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 644558d9c756
children
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line source
con func a b = a -> b

signature S = sig
    con funcy a b = a -> b
end

structure M : S = struct
    con funcy = func
end