24     Negative,  enumerator
68                 Sign::Negative => {  in insert_next()
120                     Sign::Positive => Sign::Negative,  in expr_to_discriminant()
121                     Sign::Negative => Sign::Positive,  in expr_to_discriminant()
169                 Sign::Negative  in neg()
185             Sign::Negative => {  in checked_succ()
190                         sign: Sign::Negative,  in checked_succ()
208         if self.sign == Sign::Negative {  in fmt()
217         if self.sign == Sign::Negative {  in to_tokens()
230             Sign::Negative  in from_str()
246         use self::Sign::{Negative, Positive};  in cmp()
248             (Negative, Negative) => self.magnitude.cmp(&other.magnitude).reverse(),  in cmp()
249             (Negative, Positive) => Ordering::Less, // negative < positive  in cmp()
250             (Positive, Negative) => Ordering::Greater, // positive > negative  in cmp()