Function serialize

src/ifcparse/IfcEntityInstanceData.h:181–187

    template <typename T, typename std::enable_if<is_contiguous_container<T>::value && !is_contiguous_container<typename T::value_type>::value, int>::type = 0>
    bool serialize(std::string& val, const T& t) {
        auto s = sizeof(typename T::value_type) * t.size();
        val.resize(s + 1);
        val[0] = TypeEncoder::encode_type<T>();
        memcpy(val.data() + 1, t.data(), s);
        return true;
    }

    template <typename T, typename std::enable_if<is_contiguous_container<T>::value&& is_contiguous_container<typename T::value_type>::value, int>::type = 0>
    bool serialize(std::string& val, const T& t) {