#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let slice: &[char] = &['l', 'o', 'r', 'e', 'm', '!'];
    let chunks: &[[char; 1]] = unsafe { slice.as_chunks_unchecked() };
    assert_eq!(chunks, & [['l'], ['o'], ['r'], ['e'], ['m'], ['!']]);
    let chunks: &[[char; 3]] = unsafe { slice.as_chunks_unchecked() };
    assert_eq!(chunks, & [['l', 'o', 'r'], ['e', 'm', '!']]);
}