#include #include #include using namespace std; class Person { public: Person(string n, int a) : name{n}, age{a} {} void print(ostream & os) { os << "name: " << name << "\nage: " << age; } private: string name; int age; } int main() { Person p1{"Pontus", 30}; ostringstream oss{}; p1.print(cout); p1.print(oss); if( oss.str() == "name: Pontus\nage: 30" ) { cout << "Rätt" << endl; } else { cout << "Fel" << endl; } }