view tests/open_functor.ur @ 1505:8c851e5508a7

Tutorial: up to First-Class Polymorphism
author Adam Chlipala <adam@chlipala.net>
date Sun, 17 Jul 2011 11:00:04 -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