This is not a question about using GCC, please don't send such questions to this list. Please try a general C++ forum such as http://stackoverflow.com/ (The answer is that your code is not valid C++, you can't write a unique_ptr to a stream, but I'm not going to explain how to fix it because that's off-topic on this mailing list.) On 5 July 2015 at 14:40, <papa@xxxxxxxxxxx> wrote: > Can anyone, pleeese, tell me why this extractor operator is not causing this > error: > C:\tmp\adfs\main.cpp|20|error: no match for 'operator<<' (operand types are > 'std::wostream {aka std::basic_ostream<wchar_t>}' and > 'std::unique_ptr<jme::Name>')| > > namespace abc{ > class MyClass{ > private: > int nuestro; > public: > MyClass(){} > virtual MyClass(){} > friend std::wostream& operator<<( std::wostream& os, const abc::Name& obj > ); > };//class > > }//namespace abc > > cpp file > ~~~~~~~~ > namespace abc{ > std::wostream& operator<<(abc::wostream& os, const abc::Name& obj) { > return os << obj.getFirstName() << " " > << obj.getMiddleName() << " " > << obj.getLastName(); > }//operator<< > } // namespace > > --- > This email has been checked for viruses by Avast antivirus software. > http://www.avast.com >
