id summary reporter owner description type status milestone component version severity resolution keywords cc 5093 BOOST_FUSION_DEFINE_STRUCT does not allow zero members cadabra Christopher Schmidt " {{{ #include #include // Fail BOOST_FUSION_DEFINE_STRUCT(, foo1,); // OK BOOST_FUSION_DEFINE_STRUCT(, foo2, (int, i)); int main(){ return 0; } }}} " Feature Requests closed Boost 1.47.0 fusion Boost 1.45.0 Problem fixed