std tie code example
Example: tie in c++
// packing/unpacking tuples
#include <iostream> // std::cout
#include <tuple> // std::tuple, std::make_tuple, std::tie
int main ()
{
int myint;
char mychar;
std::tuple<int,float,char> mytuple;
mytuple = std::make_tuple (10, 2.6, 'a'); // packing values into tuple
std::tie (myint, std::ignore, mychar) = mytuple; // unpacking tuple into variables
std::cout << "myint contains: " << myint << '\n';
std::cout << "mychar contains: " << mychar << '\n';
return 0;
}