By Nina Ranns
Class template argument deduction, or CTAD, is a C++17 feature that has divided the experts into those who consider it very helpful and those who wish it never came to be. What is it, how can it make your life easier, and what makes some wary of it? We explore the answers to all these questions while covering the history and the current state of CTAD, so you too can form your own opinion on the subject.