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Polymorphism with a friend function in C++...

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Including header file in class that is a friend...

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Is it possible to declare a friend function as static?...

C++ operator overloading with "friend" keyword...

Why can't I call a template friend function with explicit template arguments?...

Are non-template friends of template classes instantiated?...

C++ Derived classes cannot modify a base class' attributes but an external class can...

friend operator<< of a template class, with additional default template parameter...

Why am I getting the error 'cannot access private member declared in class' even though I ha...

Friend methods as Constant...

C++ overloading operator+ using a class and a int parameter as template...

Compiler error when declaring a friend function with a typedef'ed return type...

public friend swap member function...

How to make a templated class a friend of another templated class...

Why are friend functions "available" for derived classes only when using public inheritanc...

A template friend function inside a template class...

Friend Function needs a Helper Function...

Why gcc cannot detect friend class namespace from its forward declaration?...

Friendship and Operator+= overloading...

Can't spot the mistake in using "friend" function of another class C++...

Remove friend class dependency in the following case...

Why does compiler need the assembly file name when compiling the friend assembly?...

C++: Member is inaccessible - using friend function to allow one class to modify another class membe...

Private function as friend of other class...

Friend function with a definition - template or non-template?...