id summary reporter owner description type status milestone component version severity resolution keywords cc 4226 operator safe bool Domagoj Šarić Neil Groves "The current implementation uses member function pointers which has known efficiency problems with the MSVC++ compilers. Either the solution from shared_ptr<> should be copied again or a reusable utility class/function/macro should be exctracted/created... Relevant recent boost.devel discussions: http://article.gmane.org/gmane.comp.lib.boost.devel/203037/match=operator_bool http://article.gmane.org/gmane.comp.lib.boost.devel/200191/match=safe+bool" Feature Requests closed Boost 1.46.0 range Boost 1.44.0 Optimization fixed