Method has

src/ifcparse/variantarray.h:212–214

    template<typename T>
    bool has(std::size_t index) const {
        return index < size() && size_and_indices_[index + 1] == ::impl::TypeIndex<T, Types...>::value;
    }

    template<typename T>
    const T& get(std::size_t index) const {