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#ifndef BOOST_METAPARSE_GETTING_STARTED_7_HPP
#define BOOST_METAPARSE_GETTING_STARTED_7_HPP
// Automatically generated header file
// Definitions before section 6.2
#include "6_2.hpp"
// Definitions of section 6.2
#include <boost/mpl/minus.hpp>
template <class L, char Op, class R> struct eval_binary_op;
template <class L, class R> struct eval_binary_op<L, '+', R> : boost::mpl::plus<L, R>::type {};
template <class L, class R> struct eval_binary_op<L, '-', R> : boost::mpl::minus<L, R>::type {};
// query:
// eval_binary_op<boost::mpl::int_<11>, '+', boost::mpl::int_<2>>::type
// query:
// eval_binary_op<boost::mpl::int_<13>, '-', boost::mpl::int_<2>>::type
template <class S, class Item>
struct binary_op :
eval_binary_op<
S,
boost::mpl::at_c<Item, 0>::type::value,
typename boost::mpl::at_c<Item, 1>::type
>
{};
// query:
// binary_op<boost::mpl::int_<11>, boost::mpl::vector<boost::mpl::char_<'+'>, boost::mpl::int_<2>>>::type
using exp_parser13 =
build_parser<
foldl_start_with_parser<
sequence<one_of<plus_token, minus_token>, int_token>,
int_token,
boost::mpl::quote2<binary_op>
>
>;
// query:
// exp_parser13::apply<BOOST_METAPARSE_STRING("1 + 2 - 3")>::type
#endif
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