#include <iostream> using namespace std; template < class T1, class T2> class Pair { public: T1 first; T2 second; Pair(const T1& x,const T2&y): first(x),second(y){} }; int main() { Pair <double,int> p1(3.14,7); Pair <int,double> p2(9,4.4); cout << "p1:" << p1.first << " " << p1.second << endl; cout << "p2:" << p2.first << " " << p2.second << endl; };
Der Pre-Compiler erstellt (Namen nur illustrativ):
class Pair_di { public: double first; int second; Pair_di(const double & x,const int &y): first(x),second(y){} }; class Pair_id { public: int first; . Pair_di p1(3.14,7); Pair_id p2(9,4.4); ..