//******************************************************** // The following code example is taken from the book // C++ Move Semantics - The Complete Guide // by Nicolai M. Josuttis (www.josuttis.com) // http://www.cppmove.com // // The code is licensed under a // Creative Commons Attribution 4.0 International License // http://creativecommons.org/licenses/by/4.0/ //******************************************************** #include #include #include #include class Customer { private: std::string name; // name of the customer std::vector values; // some values of the customer public: Customer(const std::string& n) : name{n} { assert(!name.empty()); } std::string getName() const { return name; } void addValue(int val) { values.push_back(val); } friend std::ostream& operator<< (std::ostream& strm, const Customer& cust) { strm << '[' << cust.name << ": "; for (int val : cust.values) { strm << val << ' '; } strm << ']'; return strm; } };