rust 个例

fn main() {
let a = [4,3,2,1];

// 通过索引和值的方式迭代数组 `a`
for (i,v) in a.iter().enumerate() {
println!(“第{}个元素是{}”,i+1,v);
}
}

================================================================

fn main() {
let names = [String::from(“liming”),String::from(“hanmeimei”)];
for _name in &names {
// do something with name…
}

println!(“{:?}”, names);

let numbers = [1, 2, 3];
// numbers中的元素实现了 Copy，因此无需转移所有权
for _n in numbers {
// do something with name…
}

println!(“{:?}”, numbers);
}