fn add(a: &Self::BaseType, b: &Self::BaseType) -> Self::BaseType {
        [&a[0] + &b[0], &a[1] + &b[1]]
    }
Returns the component wise addition of `a` and `b`
crates/math/src/elliptic_curve/short_weierstrass/curves/bn_254/field_extension.rs