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// tuple example
#include <iostream> // std::cout
#include <tuple> // std::tuple, std::get, std::tie, std::ignore
int main ()
{
std::tuple<int,char> foo (10,'x');
auto bar = std::make_tuple ("test", 3.1, 14, 'y');
std::get<2>(bar) = 100; // access element
int myint; char mychar;
std::tie (myint, mychar) = foo; // unpack elements
std::tie (std::ignore, std::ignore, myint, mychar) = bar; // unpack (with ignore)
mychar = std::get<3>(bar);
std::get<0>(foo) = std::get<2>(bar);
std::get<1>(foo) = mychar;
std::cout << "foo contains: ";
std::cout << std::get<0>(foo) << ' ';
std::cout << std::get<1>(foo) << '\n';
return 0;
}
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