Chapter 38

Question 1

Is template compatible with friend functions

Answer 1

Yes

Question 2

What is friend function

Answer 2

A friend function of a class is defined outside that class’ scope but it has the right to access all private and protected members of the class.

Question 3

Does ordinary function or class declared as friend of class template becomes friend of each instantiation of that template class

Answer 3

Yes

Question 4

What is game of class template friend function instantiation

Answer 4

When a friend function of template class instantiated, then its instance is friend with instance of template class. This applies both for specific type parameter and different type parameters.

Question 5

Does all kind of specialization also become friends in the relationship of template and friend function

Answer 5

Yes