error: request for member 'result' in '(args#0 % (args#1 % (args#2 % (args#3 % (args#4 % (args#5 % (args#6 % (args#7 % (& annex::fold)->annex::functors::fold::operator()<fold::test_method()::<lambda()>::<lambda(auto:1, auto:2)>, int>((* & std::forward<fold::test_method()::<lambda()>::<lambda(auto:1, auto:2)> >((* & functor))), 0).annex::fold_type<Functor, Unit>::operator Unit<fold::test_method()::<lambda()>::<lambda(auto:1, auto:2)>, int>()))))))))', which is of non-class type 'int'
 { return (args % ... % annex::fold(std::forward<Functor>(functor), 0)).result(); }
                                                                               ^