view tests/mproj.ur @ 1394:d328983dc5a6

Allow subqueries to reference aggregate-only columns of free tables; treat non-COUNT aggregate functions as possibly returning NULL
author Adam Chlipala <adam@chlipala.net>
date Sat, 15 Jan 2011 14:53:13 -0500
parents e571fb150a9f
children
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structure M : sig
    type t
    val x : t

    structure S : sig
        type u = t

        val eq : eq u
    end
end = struct
    type t = int
    val x = 0

    structure S = struct
        type u = t

        val eq = _
    end
end

val y = M.x = M.x