Returning an object in C++

Question

I am learning C++ from a background of mostly C and Java and I am curious on what is the best way to return an object in C++ without having to copy the object. From my understa

Answer 1

Rvalue refernces will be much faster, as they are an intrinsic language feature, rather than a reference counting class. Using a smart or shared pointer here will give no gain, and greatly decrease clarity. However, the rvalue references are a part of the language designed for this kind of thing. Use the rvalue reference.