Ticket #7315: list_operator.cpp

#include <boost/fusion/include/adapt_struct.hpp>
#include <boost/spirit/include/qi.hpp>

#include <iostream>
#include <list>

namespace qi = boost::spirit::qi;

// Error
struct foo
{
   std::list<int> l;
};

BOOST_FUSION_ADAPT_STRUCT(
   foo,
   (std::list<int>, l)
)

// Using this instead of the above it works
/* struct foo
   : std::list<int> {}; */

int main(int argc, char** argv) {
    std::string input("1,2,3");

    // Error
    qi::rule<std::string::iterator, foo()> rule =
        qi::int_ % ","
        ;

    // Works, should be equivalent
    /* qi::rule<std::string::iterator, foo()> rule =
        qi::int_ >> *("," >> qi::int_)
        ; */

    // Also works
    /* qi::rule<std::string::iterator, foo()> rule =
            qi::int_ % ","
        >>  qi::eps
        ; */

    std::string::iterator iter = input.begin();
    bool r = qi::parse(iter, input.end(), rule);

    std::cout << (r ? "true" : "false") << std::endl;
}