view tests/open_functor.ur @ 2160:72fe1cc704c5

Tag NULLs with their types in SQL, to help the DBMS do type inference
author Adam Chlipala <adam@chlipala.net>
date Sat, 04 Jul 2015 19:24:26 -0400
parents 71bafe66dbe1
children
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signature S = sig
        type t
        val x : t
end

functor F (M : S) : S where type t = M.t = struct
        type t = M.t
        val x = M.x
end

structure M = F(struct
        type t = int
        val x = 0
end)

open M