C++11 - Understanding SFINAE Feb 25, 2016 loginacrocontext, email, display_nameacrocontext, first_name, last_name SFINAE(substution failure is not an error) is hard to understand at glance but following article explains the concept of SFINAE eaiser way with a clear example. http://www.bfilipek.com/2016/02/notes-on-c-sfinae.html