Avoid the Copy

gistfile1.txt

class JumboFactory {
  ...
  Jumbo getJumboByCopy() const & {
    //Deep copy
    return theJumboObject;
  }
  Jumbo getJumboByCopy() && { // *this is an r-value
    //Move
    return std::move(theJumboObject);
  }
  ...
 private:
  Jumbo theJumboObject;
};
 
JumboFactory myJF;
Jumbo myJumboA = myJF.getJumboByCopy();           // Deep copy
Jumbo myJumboB = JumboFactory().getJumboByCopy(); // Move