id summary reporter owner description type status milestone component version severity resolution keywords cc 6364 boost::optional has bad documentation Ben Longbons Fernando Cacciola "boost::optional's documentation says that operator unspecified_bool_type is equivalent to (get() != 0), when in fact it is equivalent to (get_ptr() != 0) Also, since is_initialized() is deprecated, it should indicated to use operator unspecified_bool_type() instead." Bugs closed To Be Determined optional Boost 1.48.0 Problem fixed