#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let v = &mut [0, 0, 0, 0, 0];
    let mut count = 1;
    let (remainder, chunks) = v.as_rchunks_mut();
    remainder[0] = 9;
    for chunk in chunks {
        *chunk = [count; 2];
        count += 1;
    }
    assert_eq!(v, & [9, 1, 1, 2, 2]);
}