std::get(std::tuple)

From Cppreference

Extracts the Ith element element from the tuple. I is an integer value in [0, sizeof...(Types)).

[edit] Parameters

[edit] Return value

1) Reference to the Ith element of t.

2) Rvalue reference to the Ith element of t, unless the element is of lvalue reference type, in which case lvalue reference is returned.

3) Const reference to the Ith element of t.

[edit] Exceptions

[edit] Example

#include <iostream>
#include <string>
#include <tuple>
 
int main()
{
    auto t = std::make_tuple(1, "Foo", 3.14);
    std::cout << "(" << std::get<0>(t) << ", " << std::get<1>(t)
              << ", " << std::get<2>(t) << ")\n";
}

Output:

(1, Foo, 3.14)

[edit] See also