* installing *source* package 'mrgsolve' ...
** this is package 'mrgsolve' version '2.0.1'
** package 'mrgsolve' successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: 'g++.exe (GCC) 14.3.0'
make[1]: Entering directory '/d/temp/2026_05_26_09_36_26_21221/RtmpuwrGcf/R.INSTALL19d9ec5bf773ca/mrgsolve/src'
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c LSODA.cpp -o LSODA.o
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c RcppExports.cpp -o RcppExports.o
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c dataobject.cpp -o dataobject.o
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c datarecord.cpp -o datarecord.o
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c devtran.cpp -o devtran.o
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c dsl-preprocess.cpp -o dsl-preprocess.o
In file included from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/fusion/support/tag_of.hpp:17,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/fusion/support/is_sequence.hpp:12,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/fusion/sequence/intrinsic_fwd.hpp:13,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/fusion/sequence/intrinsic/begin.hpp:14,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/fusion/container/list/cons.hpp:16,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/fusion/include/cons.hpp:11,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/support/detail/make_cons.hpp:16,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/support/make_component.hpp:15,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/support/meta_compiler.hpp:17,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/meta_compiler.hpp:14,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/action/action.hpp:14,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/action.hpp:14,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi.hpp:14,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/include/qi.hpp:16,
                 from dsl-preprocess.cpp:22:
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of 'assert_arg' [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of 'assert_not_arg' [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/proto/transform/default.hpp:21,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/phoenix/core/meta_grammar.hpp:17,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/phoenix/core/is_nullary.hpp:15,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/phoenix/core/actor.hpp:20,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/support/make_component.hpp:17:
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/get_pointer.hpp:48:40: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from D:/rtools45/x86_64-w64-mingw32.static.posix/lib/gcc/x86_64-w64-mingw32.static.posix/14.3.0/include/c++/memory:78,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/config/no_tr1/memory.hpp:21,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/get_pointer.hpp:14:
D:/rtools45/x86_64-w64-mingw32.static.posix/lib/gcc/x86_64-w64-mingw32.static.posix/14.3.0/include/c++/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
In file included from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/smart_ptr/shared_ptr.hpp:17,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/shared_ptr.hpp:17,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/string/symbols.hpp:30,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/string.hpp:15,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi.hpp:28:
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/smart_ptr/detail/shared_count.hpp:294:33: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  294 |     explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) )
      |                                 ^~~~~~~~
D:/rtools45/x86_64-w64-mingw32.static.posix/lib/gcc/x86_64-w64-mingw32.static.posix/14.3.0/include/c++/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/smart_ptr/shared_ptr.hpp:354:31: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  354 |     explicit shared_ptr( std::auto_ptr<Y> & r ): px(r.get()), pn()
      |                               ^~~~~~~~
D:/rtools45/x86_64-w64-mingw32.static.posix/lib/gcc/x86_64-w64-mingw32.static.posix/14.3.0/include/c++/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/smart_ptr/shared_ptr.hpp:365:22: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  365 |     shared_ptr( std::auto_ptr<Y> && r ): px(r.get()), pn()
      |                      ^~~~~~~~
D:/rtools45/x86_64-w64-mingw32.static.posix/lib/gcc/x86_64-w64-mingw32.static.posix/14.3.0/include/c++/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/smart_ptr/shared_ptr.hpp:423:34: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  423 |     shared_ptr & operator=( std::auto_ptr<Y> & r )
      |                                  ^~~~~~~~
D:/rtools45/x86_64-w64-mingw32.static.posix/lib/gcc/x86_64-w64-mingw32.static.posix/14.3.0/include/c++/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/smart_ptr/shared_ptr.hpp:430:34: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  430 |     shared_ptr & operator=( std::auto_ptr<Y> && r )
      |                                  ^~~~~~~~
D:/rtools45/x86_64-w64-mingw32.static.posix/lib/gcc/x86_64-w64-mingw32.static.posix/14.3.0/include/c++/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/smart_ptr/shared_ptr.hpp: In member function 'boost::shared_ptr<T>& boost::shared_ptr<T>::operator=(std::auto_ptr<_Up>&&)':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/smart_ptr/shared_ptr.hpp:432:38: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  432 |         this_type( static_cast< std::auto_ptr<Y> && >( r ) ).swap( *this );
      |                                      ^~~~~~~~
D:/rtools45/x86_64-w64-mingw32.static.posix/lib/gcc/x86_64-w64-mingw32.static.posix/14.3.0/include/c++/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
In file included from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/assert.hpp:35,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:20,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:9,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:18,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/detail/parse_auto.hpp:14,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/auto.hpp:16,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi.hpp:15:
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:34:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:31:
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:34:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:40:7:   required from 'struct boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:34:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:34:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/int.hpp:20,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/lambda_fwd.hpp:23,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/aux_/na_spec.hpp:18,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/if.hpp:19,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/mpl/eval_if.hpp:17,
                 from D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/support/detail/make_cons.hpp:15:
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:17: note: in a call to non-static member function 'boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >::~ReadableIteratorConcept()'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3: note: in expansion of macro 'BOOST_concept'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |   ^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:106:7:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:106:7:   required from 'struct boost_concepts::IncrementableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:121:3:   required from 'struct boost_concepts::SinglePassIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  121 |   BOOST_concept(SinglePassIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::incrementable_traversal_tag]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost_concepts::IncrementableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:112:7:   required from 'struct boost_concepts::IncrementableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:121:3:   required from 'struct boost_concepts::SinglePassIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  121 |   BOOST_concept(SinglePassIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost_concepts::IncrementableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:121:3:   required from 'struct boost_concepts::SinglePassIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  121 |   BOOST_concept(SinglePassIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:126:7:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:126:7:   required from 'struct boost_concepts::SinglePassIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::single_pass_traversal_tag]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag> >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag>'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag>]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag> >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag> >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag>)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:142:7:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag>]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:142:7:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::forward_traversal_tag]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:17: note: in a call to non-static member function 'boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >::~ForwardTraversalConcept()'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3: note: in expansion of macro 'BOOST_concept'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |   ^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:34:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:34:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::CopyConstructible<TT>::~CopyConstructible() [with TT = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:40:7:   required from 'struct boost_concepts::ReadableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:32:3:   required from 'struct boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   32 |   BOOST_concept(ReadableIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ReadableIteratorConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:34:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost_concepts::ReadableIterator<Iterator>::~ReadableIterator() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:40:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   40 |       BOOST_CONCEPT_USAGE(ReadableIterator)
      |       ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::incrementable_traversal_tag]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost_concepts::IncrementableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost_concepts::IncrementableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:112:7:   required from 'struct boost_concepts::IncrementableIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:121:3:   required from 'struct boost_concepts::SinglePassIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  121 |   BOOST_concept(SinglePassIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost_concepts::IncrementableIterator<Iterator>::~IncrementableIterator() [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:112:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  112 |       BOOST_CONCEPT_USAGE(IncrementableIterator)
      |       ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:121:3:   required from 'struct boost_concepts::SinglePassIterator<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  121 |   BOOST_concept(SinglePassIterator,(Iterator))
      |                 ^~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::single_pass_traversal_tag]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversal<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/iterator/iterator_concepts.hpp:133:3:   required from 'struct boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >'
  133 |   BOOST_concept(ForwardTraversal,(Iterator))
      |                 ^~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::DefaultConstructible<TT>::~DefaultConstructible() [with TT = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:137:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  137 |     BOOST_CONCEPT_USAGE(DefaultConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag>]':
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag> >]'
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag>'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag>]'
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag> >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::forward_traversal_tag> >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >::value'
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >'
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost_concepts::ForwardTraversalConcept<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >)>'
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:35:9:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, skip_flag, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/spirit/home/qi/parse.hpp:201:32:   required from 'bool boost::spirit::qi::phrase_parse(Iterator&, Iterator, const Expr&, const Skipper&, Attr&) [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; Expr = ExprGrammar<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; Skipper = boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0>; Attr = boost::variant<ast::Nil, ast::Number, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_wrapper<ast::UnaryExpr>, boost::recursive_wrapper<ast::BinaryExpr>, boost::recursive_wrapper<ast::FuncCall> >]'
  201 |         return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip, attr);
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dsl-preprocess.cpp:460:38:   required from here
  460 |       bool cond_ok = qi::phrase_parse(cfirst, clast, grammar, asc::space, cond_result);
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::forward_traversal_tag]'
   37 |       ~model()
      |       ^
D:/RCompile/CRANpkg/lib/4.6/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c housemodel-mread-source.cpp -o housemodel-mread-source.o
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c mrgsolve.cpp -o mrgsolve.o
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c mrgsolve_init.cpp -o mrgsolve_init.o
g++ -std=gnu++20  -I"D:/RCompile/recent/R-4.6.0/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c odeproblem.cpp -o odeproblem.o
g++ -std=gnu++20 -shared -s -static-libgcc -o mrgsolve.dll tmp.def LSODA.o RcppExports.o dataobject.o datarecord.o devtran.o dsl-preprocess.o housemodel-mread-source.o mrgsolve.o mrgsolve_init.o odeproblem.o -LD:/RCompile/recent/R-4.6.0/bin/x64 -lRlapack -LD:/RCompile/recent/R-4.6.0/bin/x64 -lRblas -lgfortran -lquadmath -Ld:/rtools45/x86_64-w64-mingw32.static.posix/lib/x64 -Ld:/rtools45/x86_64-w64-mingw32.static.posix/lib -LD:/RCompile/recent/R-4.6.0/bin/x64 -lR
make[1]: Leaving directory '/d/temp/2026_05_26_09_36_26_21221/RtmpuwrGcf/R.INSTALL19d9ec5bf773ca/mrgsolve/src'
make[1]: Entering directory '/d/temp/2026_05_26_09_36_26_21221/RtmpuwrGcf/R.INSTALL19d9ec5bf773ca/mrgsolve/src'
make[1]: Leaving directory '/d/temp/2026_05_26_09_36_26_21221/RtmpuwrGcf/R.INSTALL19d9ec5bf773ca/mrgsolve/src'
installing to d:/Rcompile/CRANpkg/lib/4.6/00LOCK-mrgsolve/00new/mrgsolve/libs/x64
** R
** data
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* MD5 sums
packaged installation of 'mrgsolve' as mrgsolve_2.0.1.zip
* DONE (mrgsolve)