Friend

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Fragment notatki:

Friend  by declaring a ”friendly” code we allow accessing protected and private members of the class class A { friend C::theMethodNoArg(); // specific method (if overloaded, then with specific args) friend class B; // concerns whole declaration of B // declarations inside B also can access // non-public A members friend fun(); // specific function (if overloaded, then with specific args) }  friendship is not inherited  friendship is not transitive  friendship is declared in any section of a class (even private) class M { friend void f() { … } }; is equivalent to: class M { friend void f(); }; void f() { … } ... zobacz całą notatkę

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