Function wstring

include/boost/filesystem/path.hpp:386–386

    const std::string&  string(const codecvt_type&) const { return m_pathname; }

    const std::wstring  wstring() const { return wstring(codecvt()); }
    const std::wstring  wstring(const codecvt_type& cvt) const
    { 
      std::wstring tmp;