g2log wchar

std::string narrow(const std::wstring &s)
{
    size_t len = WideCharToMultiByte(CP_UTF8, 0, s.c_str(), -1, nullptr, 0, nullptr, nullptr);

    char* buf = new char[len];

    WideCharToMultiByte(CP_UTF8, 0, s.c_str(), -1, buf, len, nullptr, nullptr);

    std::string ret(buf);

    delete[] buf;

    return ret;
}

inline std::ostream& operator<<(std::ostream& out, const std::wstring& str)
{
        out << unicode::narrow(str);
    return out;
}

int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow)
{
    g2LogWorker w("test", "..\\log\\");
    g2::initializeLogging(&w);
    LOG(INFO) << "風林火山";
    return 0;
}