example3_references_const.cpp

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#include <iostream>

void printValue(const int& value) {
    std::cout << "The value is: " << value << std::endl;
    // value = 10; // This would cause a compilation error
}

int main() {
    int number = 42;
    const int& constRef = number;

    std::cout << "Original number: " << number << std::endl;
    std::cout << "Const reference: " << constRef << std::endl;

    number = 100;
    std::cout << "After modifying original:" << std::endl;
    std::cout << "Original number: " << number << std::endl;
    std::cout << "Const reference: " << constRef << std::endl;

    printValue(number);

    return 0;
}