mod colors {
    pub enum Color<'a> {
        Red,
        Blue,
        Other(&'a str),
    }
}

type Color = colors::Color<'static>;

fn main() {
    let _s = "Hmm".to_string();
    let mut _c: Color = colors::Color::Red;

    // Fails as &_s is not 'static:
    //_c = colors::Color::Other(&_s)

    // Succeeds
    _c = colors::Color::Other("okay");
}