Whilst wandering the web this morning: On the behaviour of copy(-ing) constructors in C++ 11: http://scottmeyers.blogspot.co.uk/2012/10/copying-constructors-in-c11.html The "Rule of Three" becomes the "Rule of Five" in C++11: http://stackoverflow.com/questions/4782757/rule-of-three-becomes-rule-of-five-with-c11 And the "Safe Bool Idiom": http://stackoverflow.com/questions/6242768/is-the-safe-bool-idiom-obsolete-in-c11<!>