#ifndef VECTOR_UTIL_H #define VECTOR_UTIL_H 1 #include template class make_vector { private: std::vector vec; public: typedef make_vector mv; typedef std::vector sv; mv& operator<< (const T& val) { vec.push_back(val); return *this; } operator const sv&() const { return vec; } friend sv& operator+= ( sv& vec1, const mv& vec2) { sv temp_vec = vec2; vec1.insert(vec1.end(), temp_vec.begin(), temp_vec.end()); return vec1; } }; #endif