Stuff

// in the header file...class MyClass {   public:      MyClass();      ~MyClass();      MyClass operator << ( const string& );      MyClass operator >> ( const string& );}// in the .cpp file...MyClass::MyClass() {}MyClass::~MyClass() {}MyClass operator << ( const string& ) {   // this causes an error: 'MyClass operator<<(const std::string&)' must take exactly two arguments}MyClass operator >> ( const string& ) {   // same error}