#include <iostream>
struct Mystruct { int a, b; };
Mystruct *sum_struct(const Mystruct *x, const Mystruct *y)
{
Mystruct *ret= new Mystruct(); //note the use of keyword new here. Also note that ret is a pointer now
ret->a = x->a + y->a; //note the use of ret->a instead of ret.a since ret is a pointer now
ret->b = x->b + y->b; //note the use of ret->a instead of ret.a since ret is a pointer now
std::cout << ret->a << "--" << ret->b << "--\n"; //note the use of ret->a instead of ret.a since ret is a pointer now. Show 6--7--
return ret;
}
int main()
{
Mystruct o, p, *q;
p.a = 1; p.b = 2;
o.a = 5; o.b = 5;
q = sum_struct(&o, &p);
std::cout << q->a << "--" << q->b << "--\n"; // shows 6--7--
//use delete
delete q;
}
