// Test1.txt #include namespace A { class X : public Y { public: X(const std::string s = "") : myString(s) {} void say(const std::string& msg) { std::cout << "\n " << myString << "is \"" << msg << "\""; } size_t myCount() { size_t count = 0; for(size_t i = 0; i < myString.size(); ++i) ++count; return count; } private: std::string myString; }; }