michael@0: // The first call to yield* passes one arg to "next".
michael@0: 
michael@0: function Iter() {
michael@0:     function next() {
michael@0:         if (arguments.length != 1)
michael@0:             throw Error;
michael@0:         return { value: 42, done: true }
michael@0:     }
michael@0: 
michael@0:     this.next = next;
michael@0:     this[std_iterator] = function () { return this; }
michael@0: }
michael@0: 
michael@0: function* delegate(iter) { return yield* iter; }
michael@0: 
michael@0: var iter = delegate(new Iter());
michael@0: assertDeepEq(iter.next(), {value:42, done:true});
michael@0: 
michael@0: if (typeof reportCompare == "function")
michael@0:     reportCompare(true, true);