Object Destructuring in C++

#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    cin >> n;
    map<int, int> connect;
    for (int i = 0; i < n; i++) {
        int a, b;
        cin >> a >> b;
        connect[a] = b;
    }
    // object destructuring
    for (auto [a, b] : connect) {
        cout << a << " " << b << '\n';
    }
    return 0;
}