enum color {
    red = 0xff0000,
    green = 0x00ff00,
    blue = 0x0000ff,
    black = 0x000000,
    white = 0xFFFFFF,
}

fn main() {
    assert uint::to_str(red as uint, 10u) == #fmt["%?", red];
    assert uint::to_str(green as uint, 10u) == #fmt["%?", green];
    assert uint::to_str(white as uint, 10u) == #fmt["%?", white];
}

