#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let a = [1, 2, 3];
    let b = [2, 3, 4];
    let mut zipped = a
        .into_iter()
        .map(|x| x * 2)
        .skip(1)
        .zip(b.into_iter().map(|x| x * 2).skip(1));
    assert_eq!(zipped.next(), Some((4, 6)));
    assert_eq!(zipped.next(), Some((6, 8)));
    assert_eq!(zipped.next(), None);
}