1[#before_4_1] 2['Definitions before section 4.1.] 3 4 #include <boost/metaparse/string.hpp> 5 #include <boost/metaparse/int_.hpp> 6 7 #include <boost/metaparse/build_parser.hpp> 8 9 using namespace boost::metaparse; 10 11 using exp_parser1 = build_parser<int_>; 12 #include <boost/metaparse/entire_input.hpp> 13 14 using exp_parser2 = build_parser<entire_input<int_>>; 15 #include <boost/metaparse/token.hpp> 16 17 using exp_parser3 = build_parser<entire_input<token<int_>>>; 18 #include <boost/metaparse/lit_c.hpp> 19 20 #include <boost/metaparse/sequence.hpp> 21 22 using exp_parser4 = build_parser<sequence<token<int_>, token<lit_c<'+'>>, token<int_>>>; 23 24 #include <metashell/formatter.hpp> 25 26 27