a.cpp

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#include <iostream>
#include <string>

const std::string getName()
{
    return "John Doe";
}

void printName(const std::string &name)
{
    std::cout << "Name: " << name << std::endl;
}

int main()
{
    // const reference to a temporary object
    const std::string &name = getName();
    std::cout << "Stored name: " << name << std::endl;

    // Passing temporary object to a function expecting a const reference
    printName(getName());

    return 0;
}