Template-uri

template<typename T>
T maxim(T a, T b) {
  return (a > b) ? a : b;
}

cout << maxim(3, 7) << endl;         // 7 (int)
cout << maxim(3.14, 2.71) << endl;   // 3.14 (double)
cout << maxim('a', 'z') << endl;     // z (char)

template<typename T>
class Pereche {
public:
  T primul, al_doilea;
  Pereche(T a, T b) : primul(a), al_doilea(b) {}
  T suma() { return primul + al_doilea; }
};

Pereche<int> pi(3, 4);
cout << pi.suma() << endl;  // 7

Pereche<double> pd(1.5, 2.5);
cout << pd.suma() << endl;  // 4.0