#[test]
fn seq_compare() {
    assert!("hello".to_string() < "hellr".to_string());
    assert!("hello ".to_string() > "hello".to_string());
    assert!("hello".to_string() != "there".to_string());
    assert!(vec![1, 2, 3, 4] > vec![1, 2, 3]);
    assert!(vec![1, 2, 3] < vec![1, 2, 3, 4]);
    assert!(vec![1, 2, 4, 4] > vec![1, 2, 3, 4]);
    assert!(vec![1, 2, 3, 4] < vec![1, 2, 4, 4]);
    assert!(vec![1, 2, 3] <= vec![1, 2, 3]);
    assert!(vec![1, 2, 3] <= vec![1, 2, 3, 3]);
    assert!(vec![1, 2, 3, 4] > vec![1, 2, 3]);
    assert_eq!(vec![1, 2, 3], vec![1, 2, 3]);
    assert!(vec![1, 2, 3] != vec![1, 1, 3]);
}