michael@0: a = function() {
michael@0:   b = newGlobal()
michael@0: };
michael@0: c = [0, 0]
michael@0: c.sort(a)
michael@0: function d() {
michael@0:   yield arguments[4]
michael@0: }
michael@0: b.iterate = d
michael@0: f = Proxy.create(b)
michael@0: e = Iterator(f, true)
michael@0: for (p in f) {
michael@0:   e.next()
michael@0: }