// 使用元组描述一个人的信息
var one = ("1001", "张三", 30, 90)
// 给元素加上元素名称,之后可以通过元素名称访问元素
var two = (id:"1001", name:"张三", OC_score:80, iOS_score:90)
var one: (String, String, Int, Int)
var two: (id: String, name: String, OC_score: Int, iOS_score: Int)
// 写法一:
let error = (404, "Not Found")
//下标访问
print(error.0)
print(error.1)
// 写法二:
let error = (errorCode : 404, errorInfo : "Not Found")
//别名访问
print(error.errorCode)
print(error.errorInfo)
// 写法三:
//定义元组变量接收元素的值
let (errorCode, errorInfo) = (404, "Not Found")
print(errorCode)
print(errorInfo)