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Hi all, This is my first post here. Basically I want to use friend classes across namespace. eg: [CODE]#include <iostream> namespace NamespaceA { class ClassA { public: friend class ClassB; void print( ) { std::cout<<std::endl<<data<<std::endl; } private: int data; }; }; namespace NamespaceB { class ClassB { public: ClassB() { …
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