view tests/open_functor.lac @ 213:0343557355fc

Explifying type classes
author Adam Chlipala <adamc@hcoop.net>
date Sat, 16 Aug 2008 14:45:23 -0400
parents 80ac94b54e41
children
line wrap: on
line source
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