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6 days ago · A friend function is a non-member function or ordinary function of a class, which is declared as a friend using the keyword “friend” inside the class. By declaring a function as a friend, all the access permissions are given to the function.
In this tutorial, we will learn to create friend functions and friend classes in C++ with the help of examples. Friend function allows us to access private class members from the outer class.
C++ Friend function. If a function is defined as a friend function in C++, then the protected and private data of a class can be accessed using the function. By using the keyword friend compiler knows the given function is a friend function.
C++ Friend Functions - 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. Even though the prototypes for friend functions appear in the class definition, friends are not member functions.
This tutorial will teach you how to use the friend function in C++. A standard function, not a member function of a class, has no privilege to access private data members, but a friend function can access any private data members. A friend function can also be used for function overloading.
Apr 25, 2024 · Syntax. 1,2) A function friend declaration. 3-5) A class friend declaration. Description. 1) Designates a function or several functions as friends of this class:
In this tutorial, we will learn to create friend functions and friend classes in C++ with the help of examples. Friend function allows us to access private class members from the outer class.
