Swift 中数组、字典、元组三者的区别

1、元组的简介

https://www.jianshu.com/p/498bb49be04d

2、数组、字典、元组三者的区别

https://www.jianshu.com/p/27054bb16c41

3、元组实践

https://www.jianshu.com/p/15262607659c