C++ tuple

tuple

• C++11

• <tuple> 라이브러리

  #include <iostream>
  #include <tuple>
  
  std::tuple<int, double> getTuple()
  {
    return (std::make_tuple(10, 3.14));
  }
  
  int     main()
  {
    using namespace std;
  
    tuple<int, double>    my_tp = getTuple();
    cout << get<0>(my_tp) << endl;
    cout << get<1>(my_tp) << endl;
  }
  
  /* stdout stderr
  10
  3.14
  */

• C++17

  • 다음과 같이 작성 가능

    #include <iostream>
    #include <tuple>
    
    std::tuple<int, double> getTuple()
    {
      return (std::make_tuple(10, 3.14));
    }
    
    int     main()
    {
      using namespace std;
    
      auto [a, d] = getTuple();
      cout << a << endl;  // 10
      cout << d << endl;  // 3.14
    }
    
    /* stdout stderr
    10
    3.14
    */