#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(iter_array_chunks)]
fn main() {
    let x = [1, 2, 3, 4, 5].into_iter().array_chunks::<2>();
    let mut rem = x.into_remainder().unwrap();
    assert_eq!(rem.next(), Some(5));
    assert_eq!(rem.next(), None);
}