Function github_issue_223

test/github_issues.cpp:261–288

}

void github_issue_223()
{
    namespace bp = boost::parser;

    // failing case
    {
        std::vector<char> v;
        const auto parser = *('x' | bp::char_('y'));
        bp::parse("xy", parser, bp::ws, v);

        BOOST_TEST(v.size() == 1);
        BOOST_TEST(v == std::vector<char>({'y'}));

        // the assert fails since there are two elements in the vector: '\0'
        // and 'y'. Seems pretty surprising to me
    }

    // working case
    {
        const auto parser = *('x' | bp::char_('y'));
        const auto result = bp::parse("xy", parser, bp::ws);

        BOOST_TEST(result->size() == 1);
        BOOST_TEST(*(*result)[0] == 'y');

        // success, the vector has only one 'y' element
    }
}

namespace github_issue_248_ {
    namespace bp = boost::parser;