Trait num_traits::ops::checked::CheckedMul   
                   
                       [−]
                   
               [src]
pub trait CheckedMul: Sized + Mul<Self, Output=Self> {
    fn checked_mul(&self, v: &Self) -> Option<Self>;
}Performs multiplication that returns None instead of wrapping around on underflow or
overflow.
Required Methods
fn checked_mul(&self, v: &Self) -> Option<Self>
Multiplies two numbers, checking for underflow or overflow. If underflow
or overflow happens, None is returned.