export template <class Ch, class Tr, class In, class Ef, typename SgF>
basic_istream<Ch, Tr> &dataScanStatus(                                
                                basic_istream<Ch, Tr> &is,            
                                Ef &un_format, bool mandatory, SgF status) {
        ios_base::iostate state = ios_base::goodbit;  // good               
        In eos;                                                             

                (use_facet<Edifact_get<Ch, Tr, In> >(is.getloc()).*status)
                                (is, eos, is, state, un_format, mandatory);
        return is;                                                         
}                                                                          

template istream &dataScanStatus<char, char_traits<char>,
                 istreambuf_iterator<char, char_traits<char> >, ElementFormat,
                Typedefines<char>::SetGetElementFormat>(                      
                                                istream &is, ElementFormat &un_format,                                                                          
                                bool mandatory, istreambuf_iterator<char, char_traits<char> >                                                                   
                           (Edifact_get<char>::*sgef)(                          
                                           istreambuf_iterator<char, char_traits<char> > begin,                                                                 
                                           istreambuf_iterator<char, char_traits<char> > end,                                                                   
                                           basic_ios<char> &s, ios_base::iostate &r,                                                                            
                                           ElementFormat &token, bool mandatory));                                                                              

export template <class Ch, class Tr, class In>
basic_istream<Ch, Tr> &begin_of_element(      
                                basic_istream<Ch, Tr> &is, ElementFormat &un_element,                                                                           
                                bool mandatory) {                               
        return dataScanStatus(is, un_element, mandatory,                        
                                        &Edifact_get<Ch, Tr, In>::begin_of_element);                                                                            
}                                                                               

template istream &begin_of_element<char, char_traits<char>,
                 istreambuf_iterator<char, char_traits<char> > >(
                                                 istream &is, ElementFormat &un_element,                                                                        
                                bool mandatory);

                                                                          
xing.class.cc:313:   instantiated from here                                     
xing.class.cc:307: error: no matching function for call to ‘dataScanStatus(std::basic_istream<char, std::char_traits<char> >&, Edifact::ElementFormat&, bool&, std::istreambuf_iterator<char, std::char_traits<char> > (Edifact::Edifact_get<char, std::char_traits<char>, std::istreambuf_iterator<char, std::char_traits<char> > >::*)(std::istreambuf_iterator<char, std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char> >, std::basic_ios<char, std::char_traits<char> >&, std::_Ios_Iostate&, Edifact::ElementFormat&, bool))’

xing.class.cc: In function ‘std::basic_istream<_CharT, _Traits>& Edifact::dataScanStatus(std::basic_istream<_CharT, _Traits>&, Ef&, bool, SgF) [with Ch = char,Tr = std::char_traits<char>, In = std::istreambuf_iterator<char, std::char_traits<char> >, Ef = Edifact::ElementFormat, SgF = std::istreambuf_iterator<char, std::char_traits<char> > (Edifact::Edifact_get<char, std::char_traits<char>, std::istreambuf_iterator<char, std::char_traits<char> > >::*)(std::istreambuf_iterator<char, std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char> >, std::basic_ios<char, std::char_traits<char> >&, std::_Ios_Iostate&, Edifact::ElementFormat&, bool)]’:
xing.class.cc:262:   instantiated from here
xing.class.cc:248: error: invalid conversion from ‘const Edifact::Edifact_get<char, std::char_traits<char>, std::istreambuf_iterator<char, std::char_traits<char> > >*’ to ‘Edifact::Edifact_get<char, std::char_traits<char>, std::istreambuf_iterator<char, std::char_traits<char> > >*’

xing.class.cc: In function ‘std::basic_istream<_CharT, _Traits>& Edifact::control(std::basic_istream<_CharT, _Traits>&, In (Edifact::Edifact_get<Ch, Tr, In>::*)(In, In, std::basic_ios<_CharT, _Traits>&, std::_Ios_Iostate&)) [with Ch = char, Tr = std::char_traits<char>, In = std::istreambuf_iterator<char, std::char_traits<char> >]’:
xing.class.cc:282:   instantiated from here
xing.class.cc:271: error: invalid conversion from ‘const Edifact::Edifact_get<char, std::char_traits<char>, std::istreambuf_iterator<char, std::char_traits<char> > >*’ to ‘Edifact::Edifact_get<char, std::char_traits<char>, std::istreambuf_iterator<char, std::char_traits<char> > >*’