//// [for-of34.ts]
for (var v of new StringIterator) { }

class StringIterator {
    next() {
        return v;
    }
    
    [Symbol.iterator]() {
        return this;
    }
}

//// [for-of34.js]
for (var v of new StringIterator) { }
class StringIterator {
    next() {
        return v;
    }
    [Symbol.iterator]() {
        return this;
    }
}