#include using namespace std ; int main() { int x1 = 10 ; int y1 = 30 ; //Need to initialize rvalue references int&& x1R ; int&& x2R ; //Have it "point" to x1 int& x1L ; //Initialize x3R with RValue //use move int&& x3R = x1 ; x3R = x1 ; return 0 ; }