class MyClass { template<class T1> friend void fun(MyClass<T1> &myclass); template<class T1> friend ostream& operator<<(ostream& os, MyClass<T1>& myclass); public: T ta; MyClass(T a) { ta = a; } }; template<class T1> void fun(MyClass<T1> &myclass) { cout << myclass.ta << endl; } template<class T1> ostream& operator<<(ostream& os, MyClass<T1>& myclass) { os << myclass.ta << endl; return os; } void test() { MyClass<int> myclass(20); fun(myclass); cout << myclass; }
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