id summary reporter owner description type status milestone component version severity resolution keywords cc 2599 corner case in boost::fusion::all martin.voelkle@… danmarsden "when using a sequence containing exactly 4 elements, boost::fusion::all returns always false, because unrolled_all lacks a specialization for 4 elements. " Bugs closed Boost 1.38.0 fusion Boost 1.35.0 Problem fixed