#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let slice = ['l', 'o', 'r', 'e', 'm'];
    let mut iter = slice.chunks_exact(2);
    assert_eq!(iter.next(), Some(& ['l', 'o'] [..]));
    assert_eq!(iter.next(), Some(& ['r', 'e'] [..]));
    assert_eq!(iter.next(), None);
}