#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let v = [10, 40, 30];
    assert_eq!(Some(& 40), v.get(1));
    assert_eq!(Some(& [10, 40] [..]), v.get(0..2));
    assert_eq!(None, v.get(3));
    assert_eq!(None, v.get(0..4));
}