#[derive(Debug, Clone)]

#[derive(Clone)]

impl fmt::Debug for Subtype {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        if f.alternate() {
            f.debug_tuple("Subtype")
                .field(&self.0)
                .field(&self.1)
                .finish()
        } else {
            write!(f, "{}", self.1)
        }
    }
}