Question: What is copy elision? What is (named) return value optimization? What do they imply? In what situations can they occur? What are limitations? If you were referenced to this question, you’re probably looking for the introduction. For a technical ...
Question: The following is an anti-pattern: Using a std::move can even produce worst code (see here) However, what should I do in the following situation: Answer: For the second snippet, return returns the result of the std::make_pair() function. That’s an ...