fn main() {
    let x = "hello"/&;
    let v = "hello"/&;
    let mut y : str/& = "there"/&;

    log(debug, x);
    log(debug, y);

    assert x[0] == 'h' as u8;
    assert x[4] == 'o' as u8;

    let z : str/& = "thing"/&;
    assert v == x;
    assert x != z;

    let a = "aaaa"/&;
    let b = "bbbb"/&;
    let c = "cccc"/&;
    let cc = "ccccc"/&;

    log(debug, a);

    assert a < b;
    assert a <= b;
    assert a != b;
    assert b >= a;
    assert b > a;

    log(debug, b);

    assert a < c;
    assert a <= c;
    assert a != c;
    assert c >= a;
    assert c > a;

    log(debug, c);

    assert c < cc;
    assert c <= cc;
    assert c != cc;
    assert cc >= c;
    assert cc > c;

    log(debug, cc);
}