Andrei: > A better solution is to define something like > > auto c = new Classify!Container; > > which transforms a value into a class object. > > With this, the question becomes a matter of choosing the right default: > do we want values most of the time and occasional references, or vice > versa? I think most of the time you need references, as witnessed by the > many '&'s out there in code working on STL containers.
I agree that most times a reference is better. This brings back the need for a very good (efficient, syntactically readable, and even if not safe, able to spot most common errors, and RAII-safe) way to allocate class instances in-place, on the stack or inside another struct/class. Bye, bearophile
