pair
1. 示例
1 #include <iostream> 2 #include <utility> 3 4 int main() 5 { 6 auto p = std::make_pair(1, 3.14); 7 std::cout << '(' << std::get<0>(p) << ", " << std::get<1>(p) << ")\n"; 8 std::cout << '(' << std::get<int>(p) << ", " << std::get<double>(p) << ")\n"; 9 }
输出:
(1, 3.14) (1, 3.14)