Trait core::num::One  
            
                [−]
            
        [src]
pub trait One: Sized {
    fn one() -> Self;
}Types that have a "one" value.
This trait is intended for use in conjunction with Mul, as an identity:
x * T::one() == x.
Required Methods
fn one() -> Self
The "one" (usually, multiplicative identity) for this type.