258     fn add(self, rhs: Delta) -> Self::Output {  in add()
261         let res = self.inner + rhs.value;  in add()
278     fn sub(self, rhs: Delta) -> Self::Output {  in sub()
281         let res = self.inner - rhs.value;  in sub()
358     fn add(self, rhs: Self) -> Self {  in add()
360             value: self.value + rhs.value,  in add()
367     fn add_assign(&mut self, rhs: Self) {  in add_assign()
368         self.value += rhs.value;  in add_assign()
376     fn sub(self, rhs: Self) -> Self::Output {  in sub()
378             value: self.value - rhs.value,  in sub()
385     fn sub_assign(&mut self, rhs: Self) {  in sub_assign()
386         self.value -= rhs.value;  in sub_assign()
394     fn mul(self, rhs: i64) -> Self::Output {  in mul()
396             value: self.value * rhs,  in mul()
403     fn mul_assign(&mut self, rhs: i64) {  in mul_assign()
404         self.value *= rhs;  in mul_assign()
412     fn div(self, rhs: Self) -> Self::Output {  in div()
415             self.value / rhs.value  in div()
421             unsafe { bindings::div64_s64(self.value, rhs.value) }  in div()