Wow, I was going to guess that was illegal anyways, but cppref validates that behavior[0]. 0: http://en.cppreference.com/w/cpp/language/default_arguments http:

Wow, I was going to guess that was illegal anyways, but cppref validates that behavior[0]. 0: http://en.cppreference.com/w/cpp/language/default_arguments http://en.cppreference.com/w/cpp/language/default_arguments