gistfile1.hh

#include <iostream>
using std::cout;
using std::endl;

int main() {
    // Make the struct immutable so that public access is safe.
    const struct AutoFoo {
        ~AutoFoo() {
            // On destruction, do something with the members.
            cout << x << ", " << y << endl;
        }
        int x, y;
    } af = {
        // Initialize the members without explicit constructor.
        1, 2
    };
    
    return 0;
}