#include <iostream>

#include <tuple> // Required for std::tuple

#include <string>

using MyTuple = std::tuple<int, double, std::string>;

/*

* Returning multiple values from a function by binding them in a single

* tuple object.

*/

MyTuple GetMyTuple()

{

// Creating a tuple of int, double and string

MyTuple result(7, 9.8, "text");

// Returning tuple object

return result;

}

int main()

{

// Get tuple object from a function

MyTuple result = GetMyTuple();

// Get values from tuple

int iVal = std::get<0>(result);

double dVal = std::get<1>(result);

std::string strVal = std::get<2>(result);

// Print values

std::cout << "int value = " << iVal << std::endl;

std::cout << "double value = " << dVal << std::endl;

std::cout << "string value = " << strVal << std::endl;

// Get 4th int value from tuple Will cause compile error

// because this tuple has only 3 elements

// int iVal2 = std::get<4>(result); // Compile error

// Wrong cast will force compile time error

// std::string strVal2 = std::get<0>(result); // Compile error

int i = 1;

const int const_i = 1;

// Compile error because i is not compile time contant

// double dVal2 = std::get<i>(result);

double dVal3 = std::get<const_i>(result);

return 0;

}