不可变变量
let s = String::from("abc");
let ss =&mut s; //cannot borrow as mutable
可变变量
let mut s = String::from("abc");
let mut ss =&mut s;
let s = String::from("abc");
let ss =&mut s; //cannot borrow as mutable
let mut s = String::from("abc");
let mut ss =&mut s;
本文标题:rust 所有权
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