/**

结构体常量和类常量的存储属性

*/

struct Person {

var name: String

var age: Int

}

// 结构体常量对象，它本身是一个常量，其次它对应的对象不可以被修改

let p = Person.init(name: "zhangsan",age: 10)

// 不能修改了吧

// p.name = "lisi"

// p.age = 10

let p1 = Person.init(name: "lisi",age: 1)

// 这个地方就不能修改了

// p = p1

class People {

var name: String = "zhangsan"

var age: Int = 10

}

// 类 常量对象，它本身是一个常量，其次它对应的对象可以通过它来进行修改

let people = People.init()

people.name = "lisi"

people.age = 10

let people1: People = People.init()

// people = people1

/**

结构体或者枚举：值

类：引用

*/