| 123456789101112131415161718192021222324252627282930313233343536373839404142434445 |
- #ifndef BOOST_METAPARSE_GETTING_STARTED_5_HPP
- #define BOOST_METAPARSE_GETTING_STARTED_5_HPP
- // Automatically generated header file
- // Definitions before section 4.2
- #include "4_2.hpp"
- // Definitions of section 4.2
- #include <boost/metaparse/transform.hpp>
- #include <boost/mpl/plus.hpp>
- #include <boost/mpl/at.hpp>
- template <class Vector>
- struct eval_plus :
- boost::mpl::plus<
- typename boost::mpl::at_c<Vector, 0>::type,
- typename boost::mpl::at_c<Vector, 2>::type
- > {};
- // query:
- // eval_plus<
- // boost::mpl::vector<
- // mpl_::integral_c<int, 11>,
- // mpl_::char_<'+'>,
- // mpl_::integral_c<int, 2>
- // >>::type
- #include <boost/mpl/quote.hpp>
- using exp_parser6 =
- build_parser<
- transform<
- sequence<int_token, plus_token, int_token>,
- boost::mpl::quote1<eval_plus>
- >
- >;
- // query:
- // exp_parser6::apply<BOOST_METAPARSE_STRING("11 + 2")>::type
- #endif
|
