include <iostream>

include <string>

class MessageService { private: std::string message;

public: explicit MessageService(const std::string &msg) : message(msg) {} void print() const noexcept { std::cout << message << '\n'; } [[nodiscard]] const std::string& getMessage() const noexcept { return message; } };

void mainApp() { const std::string message = "I Love C++"; MessageService service(message); service.print(); }

int main() { mainApp(); return 0; }