[Rust] The HSL model constructor of Color class

impl Color {
    // Constructor for HSL model
    pub fn from_hsl(h: u16, s: f64, l: f64) -> Color {
        if !Self::is_valid_hue(h) {
            panic!("Invalid Hue value {} in HSL model", h);
        }

        if !Self::is_valid_ratio(s) {
            panic!("Invalid Saturation value {} in HSL model", s);
        }

        if !Self::is_valid_ratio(l) {
            panic!("Invalid Lightness value {} in HSL model", l);
        }

        Color::HSL{ h: h, s: s, l: l }
    }
}

impl Color {
    fn is_valid_hue(n: u16) -> bool {
        n < 360
    }
}