// let xxx = function() {}
// function fn1() {}
// (function(){})()
// function fn2(() => {})
// function Fn1() {
// }
// new Fn1()

class Person1{
    name2:string;
    age2:number;
    constructor(x:string,y:number) {
        this.name2 = x;
        this.age2 = y;
    }
}

let p2 = new Person1('图图',3)