231       for (typename GMap2::Dart_range::iterator it=amap.darts().begin(),
232              itend=amap.darts().end(); it!=itend; ++it)
582     Dart_range& darts()             { return mdarts;}  in darts()  function
583     Dart_const_range& darts() const { return mdarts; }  in darts()  function
590       if (darts().begin() == darts().end()) return null_handle;  in first_dart()
595       if (darts().begin() == darts().end()) return null_handle;  in first_dart()
606       CGAL_assertion(darts().is_used(i));  in dart_handle()
607       return mdarts.iterator_to(darts()[i]);  in dart_handle()
611       CGAL_assertion(darts().is_used(i));  in dart_handle()
612       return mdarts.iterator_to(darts()[i]);  in dart_handle()
789       for ( typename Dart_const_range::const_iterator it(darts().begin()),  in are_all_faces_closed()
790               itend(darts().end()); it!=itend; ++it)  in are_all_faces_closed()
983         for ( typename Dart_range::const_iterator it(darts().begin()),  in unmark_all()
984                itend(darts().end()); it!=itend; ++it)  in unmark_all()
1054       for (auto it=darts().begin(), itend=darts().end(); it!=itend; ++it)  in orient()
1073       for ( typename Dart_const_range::const_iterator it(darts().begin()),  in is_without_boundary()
1074              itend(darts().end()); it!=itend; ++it)  in is_without_boundary()
1084       for ( typename Dart_const_range::const_iterator it(darts().begin()),  in is_without_boundary()
1085              itend(darts().end()); it!=itend; ++it)  in is_without_boundary()
1103       for ( typename Dart_range::iterator it(darts().begin());  in close()
1104            it!=darts().end(); ++it)  in close()
1153       for ( typename Dart_range::const_iterator it(darts().begin()),  in is_valid()
1154              itend(darts().end()); it!=itend; ++it)  in is_valid()
1169                         <<darts().index(it)<< std::endl;  in is_valid()
1182                           <<darts().index(it)<< std::endl;  in is_valid()
1212       for ( typename Dart_range::iterator it(darts().begin()),  in correct_invalid_attributes()
1213              itend(darts().end()); it!=itend; ++it)  in correct_invalid_attributes()
1250       for ( typename Dart_range::const_iterator it=darts().begin();
1251            it!=darts().end(); ++it)
1253         os << " dart " << darts().index(it)<<"; alpha[i]=";
1256           os << darts().index(alpha(it, i)) << ",\t";
1282       for ( typename Dart_range::const_iterator it1(darts().begin()),  in display_orbits()
1283              itend(darts().end()); it1!=itend; ++it1)  in display_orbits()
1290             aos << darts().index(it2) << " - " << std::flush;  in display_orbits()
1760       for ( typename Dart_range::const_iterator it(darts().begin()),  in count_marked_cells()
1761              itend(darts().end()); it!=itend; ++it)  in count_marked_cells()
1788         for ( typename Dart_range::const_iterator it(darts().begin()),  in count_marked_cells()
1789                itend(darts().end()); it!=itend; ++it)  in count_marked_cells()
1930       for ( typename Dart_range::iterator it(darts().begin()),  in erase_marked_darts()
1931              itend(darts().end()); it!=itend; )  in erase_marked_darts()
2401       for ( typename Dart_range::iterator it=darts().begin();
2402             it!=darts().end(); ++it)
2415       typename Dart_range::iterator it2=amap.darts().begin();
2416       for ( typename Dart_range::iterator it=darts().begin();
2417             it!=darts().end(); ++it, ++it2)
2431       if ( res==amap.null_handle ) res = amap.darts().begin();
2668       Dart_const_handle d1=darts().begin();
2671              Dart_range::const_iterator it(map2.darts().begin()),
2672              itend(map2.darts().end()); it!=itend; ++it)
2799       for (typename Dart_const_range::const_iterator it=darts().begin(),
2800              itend=darts().end();
2810       for (typename Dart_const_range::const_iterator it=darts().begin(),
2811              itend=darts().end();