32 impl<'a, 'b> Sub<&'b BigInt> for &'a BigInt {  implementation
36     fn sub(self, other: &BigInt) -> BigInt {  in sub()
48 impl<'a> Sub<BigInt> for &'a BigInt {  implementation
52     fn sub(self, other: BigInt) -> BigInt {  in sub()
57 impl<'a> Sub<&'a BigInt> for BigInt {  implementation
61     fn sub(self, other: &BigInt) -> BigInt {  in sub()
66 impl Sub<BigInt> for BigInt {  implementation
70     fn sub(self, other: BigInt) -> BigInt {  in sub()
75 impl<'a> SubAssign<&'a BigInt> for BigInt {  implementation
77     fn sub_assign(&mut self, other: &BigInt) {  in sub_assign()
90 impl Sub<u32> for BigInt {  implementation
94     fn sub(self, other: u32) -> BigInt {  in sub()
106 impl SubAssign<u32> for BigInt {  implementation
118     fn sub(self, other: BigInt) -> BigInt {  in sub()
127     fn sub(self, other: BigInt) -> BigInt {  in sub()
136     fn sub(self, other: BigInt) -> BigInt {  in sub()
141 impl Sub<u64> for BigInt {  implementation
145     fn sub(self, other: u64) -> BigInt {  in sub()
158 impl SubAssign<u64> for BigInt {  implementation
166 impl Sub<u128> for BigInt {  implementation
170     fn sub(self, other: u128) -> BigInt {  in sub()
183 impl SubAssign<u128> for BigInt {  implementation
195 impl Sub<i32> for BigInt {  implementation
199     fn sub(self, other: i32) -> BigInt {  in sub()
206 impl SubAssign<i32> for BigInt {  implementation
220     fn sub(self, other: BigInt) -> BigInt {  in sub()
228 impl Sub<i64> for BigInt {  implementation
232     fn sub(self, other: i64) -> BigInt {  in sub()
239 impl SubAssign<i64> for BigInt {  implementation
253     fn sub(self, other: BigInt) -> BigInt {  in sub()
261 impl Sub<i128> for BigInt {  implementation
265     fn sub(self, other: i128) -> BigInt {  in sub()
273 impl SubAssign<i128> for BigInt {  implementation
287     fn sub(self, other: BigInt) -> BigInt {  in sub()
295 impl CheckedSub for BigInt {  implementation
297     fn checked_sub(&self, v: &BigInt) -> Option<BigInt> {  in checked_sub()