Mega Code Archive
A friend function
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#include <iostream>
using namespace std;
class MyClass {
int a, b;
public:
MyClass(int i, int j) { a=i; b=j; }
friend int friendFunction(MyClass x); // a friend function
};
// friendFunction() is a not a member function of any class.
int friendFunction(MyClass x)
{
/* Because friendFunction() is a friend of MyClass, it can
directly access a and b. */
int max = x.a < x.b ? x.a : x.b;
return max;
}
int main()
{
MyClass n(18, 111);
cout << "friendFunction(n) is " << friendFunction(n) << "\n";
return 0;
}
friendFunction(n) is 18
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