8     fn is_zero(&self) -> bool;  in is_zero()  method
12     ($t:ty, $is_zero:expr) => {
15             fn is_zero(&self) -> bool {
16                 $is_zero(*self)
42     fn is_zero(&self) -> bool {  in is_zero()  method
49     fn is_zero(&self) -> bool {  in is_zero()  method
56     fn is_zero(&self) -> bool {  in is_zero()  method
64         N <= 32 && self.iter().all(IsZero::is_zero)  in is_zero()
77     fn is_zero(&self) -> bool {  in is_zero()  method
84     fn is_zero(&self) -> bool {  in is_zero()  method
100             fn is_zero(&self) -> bool {