In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp: In instantiation of ‘static Transformed boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::pre(Exposed&) [with Exposed = boost::any; Transformed = std::map<std::basic_string<char>, boost::any>; Enable = void]’:
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:225:74:   required from ‘bool boost::spirit::qi::rule<Iterator, T1, T2, T3>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = std::map<std::basic_string<char>, boost::any>(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
./boost_1_41_0/boost/spirit/home/qi/reference.hpp:41:71:   required from ‘bool boost::spirit::qi::reference<Subject>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Subject = const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:39:71:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::call(const Component&, mpl_::true_) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; mpl_::true_ = mpl_::bool_<true>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:64:20:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::operator()(const Component&) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any]’
./boost_1_41_0/boost/fusion/algorithm/query/detail/any.hpp:37:19:   required from ‘bool boost::fusion::detail::linear_any(const First&, const Last&, F&, mpl_::false_) [with First = boost::fusion::cons_iterator<const boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >; Last = boost::fusion::cons_iterator<const boost::fusion::nil>; F = boost::spirit::qi::detail::alternative_function<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >, boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, boost::any>; mpl_::false_ = mpl_::bool_<false>]’
./boost_1_41_0/boost/fusion/algorithm/query/detail/any.hpp:55:63:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
./boost_1_41_0/boost/function/function_template.hpp:722:7:   required from ‘boost::function4<R, T1, T2, T3, T4>::function4(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1064:16:   required from ‘boost::function<R(T0, T1, T2, T3)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1105:5:   required from ‘typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type boost::function<R(T0, T1, T2, T3)>::operator=(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type = boost::function<bool(__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&, const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&)>&]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:178:15:   required from ‘boost::spirit::qi::rule<Iterator, T1, T2, T3>& boost::spirit::qi::rule<Iterator, T1, T2, T3>::operator=(const Expr&) [with Expr = boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, json::nullptr_t_&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::double_>&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::bool_>&>, 2l>; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = boost::any(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
rule.cpp:36:14:   required from ‘json::Grammar<Iterator>::Grammar() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >]’
rule.cpp:54:47:   required from here
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: error: no matching function for call to ‘std::map<std::basic_string<char>, boost::any>::map(boost::any&)’
         static Transformed pre(Exposed& val) { return Transformed(val); }
                                                                      ^
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: note: candidates are:
In file included from /usr/include/c++/4.8.2/map:61:0,
                 from rule.cpp:7:
/usr/include/c++/4.8.2/bits/stl_map.h:241:9: note: template<class _InputIterator> std::map<_Key, _Tp, _Compare, _Alloc>::map(_InputIterator, _InputIterator, const _Compare&, const allocator_type&)
         map(_InputIterator __first, _InputIterator __last,
         ^
/usr/include/c++/4.8.2/bits/stl_map.h:241:9: note:   template argument deduction/substitution failed:
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: note:   candidate expects 4 arguments, 1 provided
         static Transformed pre(Exposed& val) { return Transformed(val); }
                                                                      ^
In file included from /usr/include/c++/4.8.2/map:61:0,
                 from rule.cpp:7:
/usr/include/c++/4.8.2/bits/stl_map.h:224:9: note: template<class _InputIterator> std::map<_Key, _Tp, _Compare, _Alloc>::map(_InputIterator, _InputIterator)
         map(_InputIterator __first, _InputIterator __last)
         ^
/usr/include/c++/4.8.2/bits/stl_map.h:224:9: note:   template argument deduction/substitution failed:
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: note:   candidate expects 2 arguments, 1 provided
         static Transformed pre(Exposed& val) { return Transformed(val); }
                                                                      ^
In file included from /usr/include/c++/4.8.2/map:61:0,
                 from rule.cpp:7:
/usr/include/c++/4.8.2/bits/stl_map.h:180:7: note: std::map<_Key, _Tp, _Compare, _Alloc>::map(const std::map<_Key, _Tp, _Compare, _Alloc>&) [with _Key = std::basic_string<char>; _Tp = boost::any; _Compare = std::less<std::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::basic_string<char>, boost::any> >]
       map(const map& __x)
       ^
/usr/include/c++/4.8.2/bits/stl_map.h:180:7: note:   no known conversion for argument 1 from ‘boost::any’ to ‘const std::map<std::basic_string<char>, boost::any>&’
/usr/include/c++/4.8.2/bits/stl_map.h:169:7: note: std::map<_Key, _Tp, _Compare, _Alloc>::map(const _Compare&, const allocator_type&) [with _Key = std::basic_string<char>; _Tp = boost::any; _Compare = std::less<std::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::basic_string<char>, boost::any> >; std::map<_Key, _Tp, _Compare, _Alloc>::allocator_type = std::allocator<std::pair<const std::basic_string<char>, boost::any> >]
       map(const _Compare& __comp,
       ^
/usr/include/c++/4.8.2/bits/stl_map.h:169:7: note:   no known conversion for argument 1 from ‘boost::any’ to ‘const std::less<std::basic_string<char> >&’
/usr/include/c++/4.8.2/bits/stl_map.h:160:7: note: std::map<_Key, _Tp, _Compare, _Alloc>::map() [with _Key = std::basic_string<char>; _Tp = boost::any; _Compare = std::less<std::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::basic_string<char>, boost::any> >]
       map()
       ^
/usr/include/c++/4.8.2/bits/stl_map.h:160:7: note:   candidate expects 0 arguments, 1 provided
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp: In instantiation of ‘static Transformed boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::pre(Exposed&) [with Exposed = boost::any; Transformed = std::vector<boost::any>; Enable = void]’:
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:225:74:   required from ‘bool boost::spirit::qi::rule<Iterator, T1, T2, T3>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = std::vector<boost::any>(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
./boost_1_41_0/boost/spirit/home/qi/reference.hpp:41:71:   required from ‘bool boost::spirit::qi::reference<Subject>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Subject = const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:39:71:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::call(const Component&, mpl_::true_) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; mpl_::true_ = mpl_::bool_<true>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:64:20:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::operator()(const Component&) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any]’
./boost_1_41_0/boost/fusion/algorithm/query/detail/any.hpp:37:19:   required from ‘bool boost::fusion::detail::linear_any(const First&, const Last&, F&, mpl_::false_) [with First = boost::fusion::cons_iterator<const boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > >; Last = boost::fusion::cons_iterator<const boost::fusion::nil>; F = boost::spirit::qi::detail::alternative_function<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >, boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, boost::any>; mpl_::false_ = mpl_::bool_<false>]’
./boost_1_41_0/boost/fusion/algorithm/query/detail/any.hpp:42:83:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
./boost_1_41_0/boost/function/function_template.hpp:722:7:   required from ‘boost::function4<R, T1, T2, T3, T4>::function4(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1064:16:   required from ‘boost::function<R(T0, T1, T2, T3)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1105:5:   required from ‘typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type boost::function<R(T0, T1, T2, T3)>::operator=(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type = boost::function<bool(__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&, const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&)>&]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:178:15:   required from ‘boost::spirit::qi::rule<Iterator, T1, T2, T3>& boost::spirit::qi::rule<Iterator, T1, T2, T3>::operator=(const Expr&) [with Expr = boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, json::nullptr_t_&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::double_>&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::bool_>&>, 2l>; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = boost::any(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
rule.cpp:36:14:   required from ‘json::Grammar<Iterator>::Grammar() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >]’
rule.cpp:54:47:   required from here
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: error: no matching function for call to ‘std::vector<boost::any>::vector(boost::any&)’
         static Transformed pre(Exposed& val) { return Transformed(val); }
                                                                      ^
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: note: candidates are:
In file included from /usr/include/c++/4.8.2/vector:64:0,
                 from ./boost_1_41_0/boost/spirit/home/support/attributes.hpp:35,
                 from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
/usr/include/c++/4.8.2/bits/stl_vector.h:398:9: note: template<class _InputIterator> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&)
         vector(_InputIterator __first, _InputIterator __last,
         ^
/usr/include/c++/4.8.2/bits/stl_vector.h:398:9: note:   template argument deduction/substitution failed:
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: note:   candidate expects 3 arguments, 1 provided
         static Transformed pre(Exposed& val) { return Transformed(val); }
                                                                      ^
In file included from /usr/include/c++/4.8.2/vector:64:0,
                 from ./boost_1_41_0/boost/spirit/home/support/attributes.hpp:35,
                 from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
/usr/include/c++/4.8.2/bits/stl_vector.h:310:7: note: std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = boost::any; _Alloc = std::allocator<boost::any>]
       vector(const vector& __x)
       ^
/usr/include/c++/4.8.2/bits/stl_vector.h:310:7: note:   no known conversion for argument 1 from ‘boost::any’ to ‘const std::vector<boost::any>&’
/usr/include/c++/4.8.2/bits/stl_vector.h:295:7: note: std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = boost::any; _Alloc = std::allocator<boost::any>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = boost::any; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<boost::any>]
       vector(size_type __n, const value_type& __value = value_type(),
       ^
/usr/include/c++/4.8.2/bits/stl_vector.h:295:7: note:   no known conversion for argument 1 from ‘boost::any’ to ‘std::vector<boost::any>::size_type {aka long unsigned int}’
/usr/include/c++/4.8.2/bits/stl_vector.h:256:7: note: std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = boost::any; _Alloc = std::allocator<boost::any>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<boost::any>]
       vector(const allocator_type& __a)
       ^
/usr/include/c++/4.8.2/bits/stl_vector.h:256:7: note:   no known conversion for argument 1 from ‘boost::any’ to ‘const allocator_type& {aka const std::allocator<boost::any>&}’
/usr/include/c++/4.8.2/bits/stl_vector.h:248:7: note: std::vector<_Tp, _Alloc>::vector() [with _Tp = boost::any; _Alloc = std::allocator<boost::any>]
       vector()
       ^
/usr/include/c++/4.8.2/bits/stl_vector.h:248:7: note:   candidate expects 0 arguments, 1 provided
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp: In instantiation of ‘static Transformed boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::pre(Exposed&) [with Exposed = boost::any; Transformed = std::basic_string<char>; Enable = void]’:
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:225:74:   required from ‘bool boost::spirit::qi::rule<Iterator, T1, T2, T3>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = std::basic_string<char>(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
./boost_1_41_0/boost/spirit/home/qi/reference.hpp:41:71:   required from ‘bool boost::spirit::qi::reference<Subject>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Subject = const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:39:71:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::call(const Component&, mpl_::true_) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; mpl_::true_ = mpl_::bool_<true>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:64:20:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::operator()(const Component&) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any]’
./boost_1_41_0/boost/fusion/algorithm/query/detail/any.hpp:37:19:   required from ‘bool boost::fusion::detail::linear_any(const First&, const Last&, F&, mpl_::false_) [with First = boost::fusion::cons_iterator<const boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > >; Last = boost::fusion::cons_iterator<const boost::fusion::nil>; F = boost::spirit::qi::detail::alternative_function<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >, boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, boost::any>; mpl_::false_ = mpl_::bool_<false>]’
./boost_1_41_0/boost/fusion/algorithm/query/detail/any.hpp:42:83:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
./boost_1_41_0/boost/function/function_template.hpp:913:38:   required from ‘void boost::function4<R, T1, T2, T3, T4>::assign_to(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&]’
./boost_1_41_0/boost/function/function_template.hpp:722:7:   required from ‘boost::function4<R, T1, T2, T3, T4>::function4(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1064:16:   required from ‘boost::function<R(T0, T1, T2, T3)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1105:5:   required from ‘typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type boost::function<R(T0, T1, T2, T3)>::operator=(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type = boost::function<bool(__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&, const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&)>&]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:178:15:   required from ‘boost::spirit::qi::rule<Iterator, T1, T2, T3>& boost::spirit::qi::rule<Iterator, T1, T2, T3>::operator=(const Expr&) [with Expr = boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, json::nullptr_t_&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::double_>&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::bool_>&>, 2l>; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = boost::any(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
rule.cpp:36:14:   required from ‘json::Grammar<Iterator>::Grammar() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >]’
rule.cpp:54:47:   required from here
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: error: no matching function for call to ‘std::basic_string<char>::basic_string(boost::any&)’
         static Transformed pre(Exposed& val) { return Transformed(val); }
                                                                      ^
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: note: candidates are:
In file included from /usr/include/c++/4.8.2/string:52:0,
                 from /usr/include/c++/4.8.2/bits/locale_classes.h:40,
                 from /usr/include/c++/4.8.2/bits/ios_base.h:41,
                 from /usr/include/c++/4.8.2/iomanip:40,
                 from ./boost_1_41_0/boost/proto/debug.hpp:15,
                 from ./boost_1_41_0/boost/proto/proto.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/support/meta_compiler.hpp:17,
                 from ./boost_1_41_0/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
/usr/include/c++/4.8.2/bits/basic_string.h:532:9: note: template<class _InputIterator> std::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&)
         basic_string(_InputIterator __beg, _InputIterator __end,
         ^
/usr/include/c++/4.8.2/bits/basic_string.h:532:9: note:   template argument deduction/substitution failed:
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:409:70: note:   candidate expects 3 arguments, 1 provided
         static Transformed pre(Exposed& val) { return Transformed(val); }
                                                                      ^
In file included from /usr/include/c++/4.8.2/string:53:0,
                 from /usr/include/c++/4.8.2/bits/locale_classes.h:40,
                 from /usr/include/c++/4.8.2/bits/ios_base.h:41,
                 from /usr/include/c++/4.8.2/iomanip:40,
                 from ./boost_1_41_0/boost/proto/debug.hpp:15,
                 from ./boost_1_41_0/boost/proto/proto.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/support/meta_compiler.hpp:17,
                 from ./boost_1_41_0/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
/usr/include/c++/4.8.2/bits/basic_string.tcc:219:5: note: std::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::basic_string<_CharT, _Traits, _Alloc>::size_type, _CharT, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]
     basic_string<_CharT, _Traits, _Alloc>::
     ^
/usr/include/c++/4.8.2/bits/basic_string.tcc:219:5: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/4.8.2/bits/basic_string.tcc:212:5: note: std::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]
     basic_string<_CharT, _Traits, _Alloc>::
     ^
/usr/include/c++/4.8.2/bits/basic_string.tcc:212:5: note:   no known conversion for argument 1 from ‘boost::any’ to ‘const char*’
/usr/include/c++/4.8.2/bits/basic_string.tcc:205:5: note: std::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, std::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]
     basic_string<_CharT, _Traits, _Alloc>::
     ^
/usr/include/c++/4.8.2/bits/basic_string.tcc:205:5: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/4.8.2/bits/basic_string.tcc:193:5: note: std::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::basic_string<_CharT, _Traits, _Alloc>&, std::basic_string<_CharT, _Traits, _Alloc>::size_type, std::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]
     basic_string<_CharT, _Traits, _Alloc>::
     ^
/usr/include/c++/4.8.2/bits/basic_string.tcc:193:5: note:   candidate expects 4 arguments, 1 provided
/usr/include/c++/4.8.2/bits/basic_string.tcc:183:5: note: std::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::basic_string<_CharT, _Traits, _Alloc>&, std::basic_string<_CharT, _Traits, _Alloc>::size_type, std::basic_string<_CharT, _Traits, _Alloc>::size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]
     basic_string<_CharT, _Traits, _Alloc>::
     ^
/usr/include/c++/4.8.2/bits/basic_string.tcc:183:5: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/4.8.2/bits/basic_string.tcc:169:5: note: std::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]
     basic_string<_CharT, _Traits, _Alloc>::
     ^
/usr/include/c++/4.8.2/bits/basic_string.tcc:169:5: note:   no known conversion for argument 1 from ‘boost::any’ to ‘const std::basic_string<char>&’
/usr/include/c++/4.8.2/bits/basic_string.tcc:177:5: note: std::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]
     basic_string<_CharT, _Traits, _Alloc>::
     ^
/usr/include/c++/4.8.2/bits/basic_string.tcc:177:5: note:   no known conversion for argument 1 from ‘boost::any’ to ‘const std::allocator<char>&’
In file included from /usr/include/c++/4.8.2/string:52:0,
                 from /usr/include/c++/4.8.2/bits/locale_classes.h:40,
                 from /usr/include/c++/4.8.2/bits/ios_base.h:41,
                 from /usr/include/c++/4.8.2/iomanip:40,
                 from ./boost_1_41_0/boost/proto/debug.hpp:15,
                 from ./boost_1_41_0/boost/proto/proto.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/support/meta_compiler.hpp:17,
                 from ./boost_1_41_0/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
/usr/include/c++/4.8.2/bits/basic_string.h:437:7: note: std::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]
       basic_string()
       ^
/usr/include/c++/4.8.2/bits/basic_string.h:437:7: note:   candidate expects 0 arguments, 1 provided
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp: In instantiation of ‘static void boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::post(Exposed&, const Transformed&, mpl_::true_) [with Exposed = boost::any; Transformed = std::map<std::basic_string<char>, boost::any>; Enable = void; mpl_::true_ = mpl_::bool_<true>]’:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:424:67:   required from ‘static void boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::post(Exposed&, const Transformed&) [with Exposed = boost::any; Transformed = std::map<std::basic_string<char>, boost::any>; Enable = void]’
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:525:74:   required from ‘void boost::spirit::traits::post_transform(Exposed&, const Transformed&) [with Exposed = boost::any; Transformed = std::map<std::basic_string<char>, boost::any>]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:240:55:   required from ‘bool boost::spirit::qi::rule<Iterator, T1, T2, T3>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = std::map<std::basic_string<char>, boost::any>(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
./boost_1_41_0/boost/spirit/home/qi/reference.hpp:41:71:   required from ‘bool boost::spirit::qi::reference<Subject>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Subject = const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:39:71:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::call(const Component&, mpl_::true_) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; mpl_::true_ = mpl_::bool_<true>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:64:20:   [ skipping 9 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
./boost_1_41_0/boost/function/function_template.hpp:722:7:   required from ‘boost::function4<R, T1, T2, T3, T4>::function4(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1064:16:   required from ‘boost::function<R(T0, T1, T2, T3)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1105:5:   required from ‘typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type boost::function<R(T0, T1, T2, T3)>::operator=(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type = boost::function<bool(__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&, const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&)>&]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:178:15:   required from ‘boost::spirit::qi::rule<Iterator, T1, T2, T3>& boost::spirit::qi::rule<Iterator, T1, T2, T3>::operator=(const Expr&) [with Expr = boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, json::nullptr_t_&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::double_>&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::bool_>&>, 2l>; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = boost::any(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
rule.cpp:36:14:   required from ‘json::Grammar<Iterator>::Grammar() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >]’
rule.cpp:54:47:   required from here
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:419:32: error: ‘assign_to’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
             assign_to(attr, val); 
                                ^
In file included from ./boost_1_41_0/boost/spirit/home/qi/auxiliary/attr.hpp:18:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/auxiliary.hpp:19,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:15,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/qi/detail/assign_to.hpp:104:5: note: ‘template<class T> void boost::spirit::traits::assign_to(const T&, boost::fusion::unused_type)’ declared here, later in the translation unit
     assign_to(T const&, unused_type)
     ^
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp: In instantiation of ‘static void boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::post(Exposed&, const Transformed&, mpl_::true_) [with Exposed = boost::any; Transformed = std::vector<boost::any>; Enable = void; mpl_::true_ = mpl_::bool_<true>]’:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:424:67:   required from ‘static void boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::post(Exposed&, const Transformed&) [with Exposed = boost::any; Transformed = std::vector<boost::any>; Enable = void]’
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:525:74:   required from ‘void boost::spirit::traits::post_transform(Exposed&, const Transformed&) [with Exposed = boost::any; Transformed = std::vector<boost::any>]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:240:55:   required from ‘bool boost::spirit::qi::rule<Iterator, T1, T2, T3>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = std::vector<boost::any>(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
./boost_1_41_0/boost/spirit/home/qi/reference.hpp:41:71:   required from ‘bool boost::spirit::qi::reference<Subject>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Subject = const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:39:71:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::call(const Component&, mpl_::true_) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; mpl_::true_ = mpl_::bool_<true>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:64:20:   [ skipping 10 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
./boost_1_41_0/boost/function/function_template.hpp:722:7:   required from ‘boost::function4<R, T1, T2, T3, T4>::function4(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1064:16:   required from ‘boost::function<R(T0, T1, T2, T3)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1105:5:   required from ‘typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type boost::function<R(T0, T1, T2, T3)>::operator=(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type = boost::function<bool(__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&, const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&)>&]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:178:15:   required from ‘boost::spirit::qi::rule<Iterator, T1, T2, T3>& boost::spirit::qi::rule<Iterator, T1, T2, T3>::operator=(const Expr&) [with Expr = boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, json::nullptr_t_&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::double_>&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::bool_>&>, 2l>; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = boost::any(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
rule.cpp:36:14:   required from ‘json::Grammar<Iterator>::Grammar() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >]’
rule.cpp:54:47:   required from here
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:419:32: error: ‘assign_to’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
             assign_to(attr, val); 
                                ^
In file included from ./boost_1_41_0/boost/spirit/home/qi/auxiliary/attr.hpp:18:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/auxiliary.hpp:19,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:15,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/qi/detail/assign_to.hpp:104:5: note: ‘template<class T> void boost::spirit::traits::assign_to(const T&, boost::fusion::unused_type)’ declared here, later in the translation unit
     assign_to(T const&, unused_type)
     ^
In file included from ./boost_1_41_0/boost/spirit/home/qi/string/tst.hpp:14:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/string/symbols.hpp:16,
                 from ./boost_1_41_0/boost/spirit/home/qi/string.hpp:15,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:26,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/qi/string/detail/tst.hpp: In instantiation of ‘static T* boost::spirit::qi::detail::tst_node<Char, T>::find(boost::spirit::qi::detail::tst_node<Char, T>*, Iterator&, Iterator, Filter) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Filter = boost::spirit::qi::tst_pass_through; Char = char; T = void*]’:
./boost_1_41_0/boost/spirit/home/qi/string/tst.hpp:58:56:   required from ‘T* boost::spirit::qi::tst<Char, T>::find(Iterator&, Iterator, Filter) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Filter = boost::spirit::qi::tst_pass_through; Char = char; T = void*]’
./boost_1_41_0/boost/spirit/home/qi/string/symbols.hpp:226:53:   required from ‘bool boost::spirit::qi::symbols<Char, T, Lookup, Filter>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Char = char; T = void*; Lookup = boost::spirit::qi::tst<char, void*>; Filter = boost::spirit::qi::tst_pass_through]’
./boost_1_41_0/boost/spirit/home/qi/reference.hpp:41:71:   required from ‘bool boost::spirit::qi::reference<Subject>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Subject = boost::spirit::qi::symbols<char, void*>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:39:71:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::call(const Component&, mpl_::true_) const [with Component = boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; mpl_::true_ = mpl_::bool_<true>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:64:20:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::operator()(const Component&) const [with Component = boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any]’
./boost_1_41_0/boost/fusion/algorithm/query/detail/any.hpp:37:19:   [ skipping 9 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
./boost_1_41_0/boost/function/function_template.hpp:132:42:   required from ‘static R boost::detail::function::function_obj_invoker4<FunctionObj, R, T0, T1, T2, T3>::invoke(boost::detail::function::function_buffer&, T0, T1, T2, T3) [with FunctionObj = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&]’
./boost_1_41_0/boost/function/function_template.hpp:913:38:   required from ‘void boost::function4<R, T1, T2, T3, T4>::assign_to(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&]’
./boost_1_41_0/boost/function/function_template.hpp:722:7:   required from ‘boost::function4<R, T1, T2, T3, T4>::function4(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1064:16:   required from ‘boost::function<R(T0, T1, T2, T3)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1105:5:   required from ‘typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type boost::function<R(T0, T1, T2, T3)>::operator=(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type = boost::function<bool(__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&, const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&)>&]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:178:15:   required from ‘boost::spirit::qi::rule<Iterator, T1, T2, T3>& boost::spirit::qi::rule<Iterator, T1, T2, T3>::operator=(const Expr&) [with Expr = boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, json::nullptr_t_&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::double_>&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::bool_>&>, 2l>; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = boost::any(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
rule.cpp:36:14:   required from ‘json::Grammar<Iterator>::Grammar() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >]’
rule.cpp:54:47:   required from here
./boost_1_41_0/boost/spirit/home/qi/string/detail/tst.hpp:69:24: warning: converting ‘false’ to pointer type ‘void**’ [-Wconversion-null]
                 return false;
                        ^
In file included from ./boost_1_41_0/boost/spirit/home/qi/action/action.hpp:16:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/action.hpp:14,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:14,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp: In instantiation of ‘static void boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::post(Exposed&, const Transformed&, mpl_::true_) [with Exposed = boost::any; Transformed = std::basic_string<char>; Enable = void; mpl_::true_ = mpl_::bool_<true>]’:
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:424:67:   required from ‘static void boost::spirit::traits::transform_attribute<Exposed, Transformed, Enable>::post(Exposed&, const Transformed&) [with Exposed = boost::any; Transformed = std::basic_string<char>; Enable = void]’
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:525:74:   required from ‘void boost::spirit::traits::post_transform(Exposed&, const Transformed&) [with Exposed = boost::any; Transformed = std::basic_string<char>]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:240:55:   required from ‘bool boost::spirit::qi::rule<Iterator, T1, T2, T3>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = std::basic_string<char>(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
./boost_1_41_0/boost/spirit/home/qi/reference.hpp:41:71:   required from ‘bool boost::spirit::qi::reference<Subject>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; Subject = const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:39:71:   required from ‘bool boost::spirit::qi::detail::alternative_function<Iterator, Context, Skipper, Attribute>::call(const Component&, mpl_::true_) const [with Component = boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; Context = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >; Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >; Attribute = boost::any; mpl_::true_ = mpl_::bool_<true>]’
./boost_1_41_0/boost/spirit/home/qi/detail/alternative_function.hpp:64:20:   [ skipping 10 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
./boost_1_41_0/boost/function/function_template.hpp:913:38:   required from ‘void boost::function4<R, T1, T2, T3, T4>::assign_to(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&]’
./boost_1_41_0/boost/function/function_template.hpp:722:7:   required from ‘boost::function4<R, T1, T2, T3, T4>::function4(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1064:16:   required from ‘boost::function<R(T0, T1, T2, T3)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, int>::type = int]’
./boost_1_41_0/boost/function/function_template.hpp:1105:5:   required from ‘typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type boost::function<R(T0, T1, T2, T3)>::operator=(Functor) [with Functor = boost::spirit::qi::detail::parser_binder<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<boost::spirit::qi::symbols<char, void*> >, boost::fusion::cons<boost::spirit::qi::real_parser_impl<double, boost::spirit::qi::real_policies<double> >, boost::fusion::cons<boost::spirit::qi::bool_parser_impl<>, boost::fusion::nil> > > > > > >, mpl_::bool_<false> >; R = bool; T0 = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T1 = const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&; T2 = boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&; T3 = const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&; typename boost::enable_if_c<boost::type_traits::ice_not<boost::is_integral<Functor>::value>::value, boost::function<R(T0, T1, T2, T3)>&>::type = boost::function<bool(__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, const __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >&, boost::spirit::context<boost::fusion::cons<boost::any&, boost::fusion::nil>, boost::fusion::vector0<> >&, const boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >&)>&]’
./boost_1_41_0/boost/spirit/home/qi/nonterminal/rule.hpp:178:15:   required from ‘boost::spirit::qi::rule<Iterator, T1, T2, T3>& boost::spirit::qi::rule<Iterator, T1, T2, T3>::operator=(const Expr&) [with Expr = boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<const boost::proto::exprns_::expr<boost::proto::tag::bitwise_or, boost::proto::argsns_::list2<boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::map<std::basic_string<char>, boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::vector<boost::any>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >, std::basic_string<char>(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type>&>, 2l>&, json::nullptr_t_&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::double_>&>, 2l>&, const boost::spirit::terminal<boost::spirit::tag::bool_>&>, 2l>; Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >; T1 = boost::any(); T2 = boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>; T3 = boost::fusion::unused_type]’
rule.cpp:36:14:   required from ‘json::Grammar<Iterator>::Grammar() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char> >]’
rule.cpp:54:47:   required from here
./boost_1_41_0/boost/spirit/home/support/attributes.hpp:419:32: error: ‘assign_to’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
             assign_to(attr, val); 
                                ^
In file included from ./boost_1_41_0/boost/spirit/home/qi/auxiliary/attr.hpp:18:0,
                 from ./boost_1_41_0/boost/spirit/home/qi/auxiliary.hpp:19,
                 from ./boost_1_41_0/boost/spirit/home/qi.hpp:15,
                 from ./boost_1_41_0/boost/spirit/include/qi.hpp:16,
                 from rule.cpp:2:
./boost_1_41_0/boost/spirit/home/qi/detail/assign_to.hpp:104:5: note: ‘template<class T> void boost::spirit::traits::assign_to(const T&, boost::fusion::unused_type)’ declared here, later in the translation unit
     assign_to(T const&, unused_type)
     ^