Function Approx

tutorials/external/catch.hpp:3352–3354

    template<typename T>
    Vector::ApproxMatcher<T> Approx( std::vector<T> const& comparator ) {
        return Vector::ApproxMatcher<T>( comparator );
    }

    template<typename T>
    Vector::UnorderedEqualsMatcher<T> UnorderedEquals(std::vector<T> const& target) {