Can't use public nested class as private method parameter
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In the following code: class Outer { private: void f_private(Outer::Inner in); // Wrong public: class Inner {}; void f_public(Outer::Inner in); // OK }; f_private() cannot use nested class Outer::Inner as parameter type. But it's ok to do so in f_public() . Can someone explain to me in what rule this is based on, and what's the benefit it?
c++ inner-classes access-modifiers public-members
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