#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let arr = [0, 1, 2, 3, 4];
    assert_eq!(arr[..], [0, 1, 2, 3, 4]);
    assert_eq!(arr[..3], [0, 1, 2]);
    assert_eq!(arr[..= 3], [0, 1, 2, 3]);
    assert_eq!(arr[1..], [1, 2, 3, 4]);
    assert_eq!(arr[1..3], [1, 2]);
    assert_eq!(arr[1..= 3], [1, 2, 3]);
}