async function getPersonInformation() {
	let obj;
	console.log('before get');
  	await getPerson().then(data => {
      console.log(data);
      obj = data;
  	});
  	console.log('after get ' + obj.name + ' information');
}

function getPerson() {
  return new Promise((resolve, reject) => {
    setTimeout(function() {
    	const p = {
          name: 'lrh',
          age: 18
    	};
      	resolve(p)
    })
  });
}

getPersonInformation();

function* helloWorldGenerator() {
  yield 'hello';
  yield 'world';
  return 'ending';
}

var hwg = helloWorldGenerator();
hwg.next();//{value: 'hello', done: false}
hwg.next();//{value: 'world', done: false}
hwg.next();//{value: 'ending',  done: true}
hwg.nexe();//{value: undefined, done: true}