#include #include #include "point.h" double f(int i, double d){return i + d;} int main(){ double e = 3.14; double d = f(5, e); int i = 5, k = i + 8; bool b = Point{1,2} == Point{3,4}; double *pe = &3.14; // error: Cannot take the address of a 3.14 double *pd = &f(5, e); // error: Cannot take the address of a f(5, e) int *pi = &(i + 8); // error: Cannot take the address of (i + 8) }