example4_const_and_reference_bindings.cpp

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#include <iostream>
#include <map>
#include <string>

int main() {
    std::map<std::string, int> ages = {{"Alice", 30}, {"Bob", 25}, {"Charlie", 35}};

    for (const auto& [name, age] : ages) {
        std::cout << name << " is " << age << " years old." << std::endl;
    }

    return 0;
}