xing heng HunterXing

## LiftingStateUp.tsx
import { useState } from "react";

interface UserProps {
  name: string,
  age?: number,
  isLogin: boolean
}
type User = UserProps | null

function App() {

## cloudSettings
// Empty

## cloudSettings
// Empty

## cloudSettings
{"lastUpload":"2020-07-28T14:40:27.200Z","extensionVersion":"v3.4.3"}

## cloudSettings
{"lastUpload":"2020-03-15T14:10:37.342Z","extensionVersion":"v3.4.3"}

## cloudSettings
{"lastUpload":"2019-12-27T05:29:34.154Z","extensionVersion":"v3.4.3"}

## cloudSettings
{"lastUpload":"2019-12-19T04:14:38.170Z","extensionVersion":"v3.4.3"}

## cloudSettings
{"lastUpload":"2019-04-18T07:32:00.079Z","extensionVersion":"v3.2.8"}

## cloudSettings
{"lastUpload":"2019-04-18T00:44:19.285Z","extensionVersion":"v3.2.8"}
	import { useState } from "react";

	interface UserProps {
	name: string,
	age?: number,
	isLogin: boolean
	}
	type User = UserProps \| null

	function App() {