It's worth noting, however, that unique_ptr was introduced in C++11 because it relies on move semantics, which were not introduced until then. auto_ptr is not q

It's worth noting, however, that unique_ptr was introduced in C++11 because it relies on move semantics, which were not introduced until then. auto_ptr is not quite the same. See http://www.drdobbs.com/cpp/c11-uniqueptr/240002708 http://www.drdobbs.com/cpp/c11-uniqueptr/240002708