C++ Friend Function can access private and protected members (variables and methods) of the classes in which it is declared as friend. A global function, or a member function of another class can be declared as a friend function in this class. Syntax The syntax to declare a friend function ...
A friend function can access the private and protected data of a class. We declare a friend function using the friend keyword inside the body of the class.Syntaxclass className { friend returnType functionName(arguments); } C++ CopyThe keyword “friend” is placed only in the function ...
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It could be used in a stand alone functions, methods of different class, complete class,template functionor even template class. You could also have non-member function with friend modifier. In that case, that function will not have “this” as a pointer, and that function would have access...
Syntax friend-declaration: friendfunction-declaration friendfunction-definition friendelaborated-type-specifier;; friendsimple-type-specifier; friendtypename-specifier; frienddeclarations If you declare afriendfunction that wasn't previously declared, that function is exported to the enclosing...
Class member functions can be declared as friends in other classes. Consider the following example: C++ // classes_as_friends1.cpp// compile with: /cclassB;classA{public:intFunc1( B& b );private:intFunc2( B& b ); };classB{private:int_b;// A::Func1 is a friend function to cla...
Class member functions can be declared as friends in other classes. Consider the following example: C++ // classes_as_friends1.cpp// compile with: /cclassB;classA{public:intFunc1( B& b );private:intFunc2( B& b ); };classB{private:int_b;// A::Func1 is a friend function to cla...
Syntaxfriend function-declaration (1) friend function-definition (2) friend elaborated-class-specifier ; (3) friend simple-type-specifier ; friend typename-specifier ; (4) (since C++11) Description1) Designates a function or several functions as friends of this class class Y { int data...
Accessing the private member should work because int main() is a friend function of class Test. Code sample and logs Code sample m.cpp: export module m; export class Test { private: int privateMember; friend int main(); }; u.cpp: import m; int main() { Test t; t.privateMember =...
The friend declaration appears in aclass bodyand grants a function or another class access to private and protected members of the class where the friend declaration appears. Syntax friendfunction-declaration(1) friendfunction-definition(2)