#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(array_windows)]
fn main() {
    let slice = [0, 1, 2, 3];
    let mut iter = slice.array_windows::<2>();
    assert_eq!(iter.next(), Some(& [0, 1]));
    assert_eq!(iter.next(), Some(& [1, 2]));
    assert_eq!(iter.next(), Some(& [2, 3]));
    assert_eq!(iter.next(), None);
}