#include <iostream>
#include <string>
std::string foo(const char* const s)
{
std::string out(s);
std::cout << "address: " << (void*)(&out) << std::endl;
return out;
}
int main()
{
std::string s = foo("abc");
std::cout << "address: " << (void*)(&s) << std::endl;
}