Quick sort in rust

quicksort.rs

pub fn quick_sort<T: Ord + Copy>(slice: &mut [T]) {
    if slice.len() <= 1 {
        return;
    }
    let p = slice[0];
    let (mut left, mut right): (Vec<T>, Vec<T>) = slice[1..].iter().partition(|&x| *x < p);
    quick_sort(&mut left);
    quick_sort(&mut right);
    slice.copy_from_slice(&[left, vec![p], right].concat());
}

#[test]
fn test_quick_sort() {
    let mut v = vec![4, 2, 3, 1, 3, 8];
    quick_sort(&mut v);
    assert_eq!(v, &[1, 2, 3, 3, 4, 8]);
}