id summary reporter owner description type status milestone component version severity resolution keywords cc 9137 mpl::and_ returns false Agustín K-ballo Bergé Aleksey Gurtovoy "The following snippet fails to compile: {{{ #include #include int main() { using namespace boost::mpl; static_assert(and_::value, ""?""); //fires } }}} See also the following thread at the mailing list http://lists.boost.org/Archives/boost/2013/09/206333.php" Bugs new Boost 1.55.0 mpl Boost Development Trunk Problem dwalker07@…