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Start of kind polymorphism, up to the point where demo/hello elaborates with updated Basis/Top
author Adam Chlipala <adamc@hcoop.net>
date Sun, 22 Feb 2009 16:10:25 -0500
parents 71bafe66dbe1
children
line wrap: on
line source
structure M = struct
        signature S = sig
                type t
        end
end

structure N : M.S = struct
        type t = int
end

structure M' = struct
        type t = int
        val y = 42

        signature S = sig
                val x : t
        end
end

structure N' : M'.S = struct
        val x = 0
end

signature S = sig
        type t
        val y : t

        signature S = sig
                val x : t
        end
end

structure M'S : S = M'

structure V : M'S.S = struct
        val x = M'S.y
end

structure M'S' = M'S

structure V : M'S'.S = struct
        val x = M'S.y
end