摘要: 当一个变量有几种确定的取值情况下,可以将它定义为枚举类型。如性别选择(男/女) 通过 枚举名::枚举值 来访问获取枚举值 1.无参数枚举类型 #[derive(Debug)] enum Sex{ //无参数枚举类型 male, female, } fn main(){ let lilei = Sex 阅读全文
posted @ 2022-01-06 16:49 echo-efun 阅读(404) 评论(0) 推荐(0)
摘要: 结构体 //定义结构体Studentstruct Student{ name:&'static str, score:i32, } fn main(){ let score = 59; let username ="zhangsan"; let mut student = Student{ scor 阅读全文
posted @ 2022-01-06 09:49 echo-efun 阅读(108) 评论(0) 推荐(0)