Bitwise or of adjacent elements

#[test]
fn t1() {
    let start = std::time::Instant::now();
    let val = Solution::or_array(vec![1, 3, 7, 15]);
    let expected = vec![3, 7, 15];
    log_result!(val == expected, "t1", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t2() {
    let start = std::time::Instant::now();
    let val = Solution::or_array(vec![8, 4, 2]);
    let expected = vec![12, 6];
    log_result!(val == expected, "t2", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t3() {
    let start = std::time::Instant::now();
    let val = Solution::or_array(vec![5, 4, 9, 11]);
    let expected = vec![5, 13, 11];
    log_result!(val == expected, "t3", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t4() {
    let start = std::time::Instant::now();
    let val = Solution::or_array(vec![0, 0]);
    let expected = vec![0];
    log_result!(val == expected, "t4", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t5() {
    let start = std::time::Instant::now();
    let val = Solution::or_array(vec![100, 50]);
    let expected = vec![118];
    log_result!(val == expected, "t5", start, &expected, &val);
    assert_eq!(val, expected);
}