#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let x = &[0, 1, 2];
    if let Some((first, elements)) = x.split_first_chunk::<2>() {
        assert_eq!(first, & [0, 1]);
        assert_eq!(elements, & [2]);
    }
    assert_eq!(None, x.split_first_chunk::< 4 > ());
}