C++ 11, Example of auto for function declaration Jul 4, 2013 loginacrocontext, email, display_nameacrocontext, first_name, last_name 1 2 template <class T> auto add(T t, U u) -> decltype(t + u) is equal to 1 2 template <class T> decltype((*(T*)0) + (*(U*)0)) add(T t, U u);