Applying the && Modifier to Class Member Functions
Explore how to apply the && modifier to C++ class member functions to restrict their use to rvalue objects. Understand why using std::move can prevent compiler optimizations like return value optimization and learn best practices for returning objects efficiently.
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In addition to being applied to objects, we can also add the && modifier to a member function of a class, just as we can apply a const modifier to a member function. As with the const modifier, a member function that has the && ...