SpiritX3 example on C++Now2015 Pace41(in PDF)

page41.cpp

#include <boost/config/warning_disable.hpp>
#include <boost/spirit/home/x3.hpp>

namespace x3 = boost::spirit::x3;

int main() {
    using x3::char_;

    std::string input( "cosmic pizza" );
    auto iter = input.begin();
    auto end_iter = input.end();

    std::string result1;
    std::string result2;

    parse(iter, end_iter,
          *(~char_(' ')) >> ' ' >> *char_,
          result1,
          result2);
}