乐知者 - Swift学习笔记 的评论
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link: http://bbs.lezhizhe.net/archives/301/
description: 数据类型1、直接声明变量或者常量，数据类型隐世定义let MyConst = 10var MyVarible = 12MyVarible = 302、显式声明变量的数据类型let implic...