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New posts in friend-function

Friend function from another namespace

c++ friend-function

How do we declare a friend function with a class template into .h file and define them into a .cpp file (not all in one header file)?

C++ friend function template overloading and SFINAE different behaviors in clang++, g++, vc++ (C++14 mode)

How to fix previously-working injected template friend function?

"undefined reference to `operator>>(std::istream&, Complex<int>&)" for template Complex<T>

Clang: a friend function defined within a class

Friend function - member is inaccessible [duplicate]

c++ friend-function

Member function of incomplete class as friend = formally valid?

c++ friend friend-function

c++ error : (private data member) was not declared in this scope

c++ friend-function

Operator overloading on an enum nested in a class

Bilateral friend functions in C++: how to make it compile?

c++ friend-function

Why does friendship seem transitive with befriended function templates?

Difference between friends defined in-class and outside: bug or feature? [duplicate]

Are friend functions inherited? and why would a base class FRIEND function work on a derived class object?

Operator overloading in Fortran with no object creation such as in friend functions (C++)

overloading operator<< to output object members without using friend function

Error on MSVC when trying to declare std::make_unique as friend of my templated class

Friending template function from multiple classes

How to resolve "class must be used when declaring a friend" error?

What is the namespace of a friend-defined function?