id summary reporter owner description type status milestone component version severity resolution keywords cc 12094 Operator > changes attribute type mikhail.strelnikov@… Joel de Guzman "Following code should compile, but it does not. {{{ #include #include using namespace boost::spirit::x3; auto r = rule{} = +char_; int main() { std::string input = """"; std::string output; auto b = std::begin(input); auto e = std::end(input); parse(b, e, 'a' > (r | r), output); } }}} " Bugs closed To Be Determined spirit Boost 1.61.0 Problem fixed