generator_with_async_2.js

function* fetchStudentAddress() {
  var studentList = yield getStudentList();
  var studentInfo = yield getStudentInfo(studentList[0].id);
}

function getAddress(callback) {
  var getter = fetchStudentAddress();
  
  const go = (result) => {
    if(result.done) return; // generator depleted
    result.value.then((r) => {
      go(getter.next(r)); // pass result to next async
    })
  }
  
  go(getter.next());
}

getAddress(address => console.log(address)); // writes out address