006Rust入门代码笔记之六

//有错代码

use core::slice;

fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) {

let len = slice.len();

assert!(mid <= len);

(&mut slice[..mid], &mut slice[mid..])

//上面一行中第二个slice有error: second mutable borrow occurs here

assert_eq!(b, &mut [4, 5, 6]);

}