2 use super::Sign::{Minus, NoSign, Plus};
118             (Plus, Plus) => BigInt::from(&self.data & &other.data),  in bitand()
119             (Plus, Minus) => self.clone() & other,  in bitand()
120             (Minus, Plus) => other.clone() & self,  in bitand()
150             (Plus, Plus) => {  in bitand_assign()
156             (Plus, Minus) => {  in bitand_assign()
160             (Minus, Plus) => {  in bitand_assign()
162                 self.sign = Plus;  in bitand_assign()
258             (Plus, Plus) => BigInt::from(&self.data | &other.data),  in bitor()
259             (Plus, Minus) => other.clone() | self,  in bitor()
260             (Minus, Plus) => self.clone() | other,  in bitor()
290             (Plus, Plus) => self.data |= &other.data,  in bitor_assign()
291             (Plus, Minus) => {  in bitor_assign()
296             (Minus, Plus) => {  in bitor_assign()
428             (Plus, Plus) => {  in bitxor_assign()
434             (Plus, Minus) => {  in bitxor_assign()
439             (Minus, Plus) => {  in bitxor_assign()
445                 self.sign = Plus;  in bitxor_assign()