lst-0004-book.cpp
// https://godbolt.org/z/zG7zYGf3K
// … as before …
int main() {
using std::tie; using std::ignore;
string lastName {};
int birthYear {};
tie(ignore, lastName, ignore, birthYear) = president(2015);
cout << lastName << ' ' << birthYear << '\n'; // Output: Obama 1961
}