#include <iostream>
#include <string>
using namespace std;
 
void foo(string&& bar){
    string* temp = &bar;
 //   bar = "wo";
    cout << *temp << " @:" << temp << endl;
    cout << "bar = " << bar <<endl;
}
 
int main() {
	// your code goes here
	string a = "hello";
	string& ra = a;
	string* tmp = &ra;
//	string b(std::move(a));
	cout<< *tmp << "@:" << tmp << "  " << a << "@:" << &a << endl;
	foo(std::move(a));
	cout << "a = " << a << endl;
	return 0;
}

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