标签:mamicode element img 操作 HERE print color pre 常用类
常用类型操作,
如python中的list,turple,dictory等,
更方常编程常用数据的处理。
fn main() { let v = vec![1, 2, 3, 4, 5]; let third: &i32 = &v[2]; println!("The third element is {}", third); match v.get(2) { Some(third) => println!("The element is {}", third), None => println!("There is no element"), } match v.get(20) { Some(twenty) => println!("The element is {}", twenty), None => println!("There is no element"), } }
标签:mamicode element img 操作 HERE print color pre 常用类
原文地址:https://www.cnblogs.com/aguncn/p/11405307.html