25     Negative,  enumerator
69                 Sign::Negative => {  in insert_next()
121                     Sign::Positive => Sign::Negative,  in expr_to_discriminant()
122                     Sign::Negative => Sign::Positive,  in expr_to_discriminant()
170                 Sign::Negative  in neg()
186             Sign::Negative => {  in checked_succ()
191                         sign: Sign::Negative,  in checked_succ()
209         if self.sign == Sign::Negative {  in fmt()
218         if self.sign == Sign::Negative {  in to_tokens()
231             Sign::Negative  in from_str()
247         use self::Sign::{Negative, Positive};  in cmp()
249             (Negative, Negative) => self.magnitude.cmp(&other.magnitude).reverse(),  in cmp()
250             (Negative, Positive) => Ordering::Less, // negative < positive  in cmp()
251             (Positive, Negative) => Ordering::Greater, // positive > negative  in cmp()