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view tests/broad_unif.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 71bafe66dbe1
children
line wrap: on
line source
structure M = struct
        type t = int
        val f = fn x => x
        val y = f 0
end

signature S = sig
        type t
        val f : t -> t
end

structure M : S = struct
        type t = int
        val f = fn x => x
end