1. In the implementation of the lock-based stack's copy constructor, we locked the mutex of the other stack. Why? 2.  Why do we use load() and store() for atomic types? 3. What additional...

1. In the implementation of the lock-based stack's copy constructor, we locked the

mutex of the other stack. Why?

2.  Why do we use load() and store() for atomic types?

3. What additional operations are supported on std::atomic?

4. What are the benefits of TDD?