// struct ABC is expensive to copy and should be | |
// passed as a const referece. | |
struct ABC { | |
ABC(const ABC&); | |
int get(int) const; | |
}; | |
int f1(int n, const ABC& v1, const ABC& v2); // line 9 | |
int f1(int n, ABC v1); // line 11 | |
int f2( int n, const ABC& v2); // line 15 |