Question: 3. (10 points) The following code defines the overloading assignment operator for bag class with a linked list. What will happen if we do a

3. (10 points) The following code defines the overloading assignment operator

3. (10 points) The following code defines the overloading assignment operator for bag class with a linked list. What will happen if we do a self-assignment with this code, e.g., b b (b is an object of class bag)? If the result is inaccurate, find if anything is missed. void bag::operator-(const bag& source) node *tail_ptr; II Needed for argument to list_copy list_clear(head_ptr); many-nodes 0; list_copy(source.head_ptr, head_ptr, tail_ptr); many_nodes source.many_nodes; Here, many_nodes is a private member in the bag class to record the number of nodes in the list. You can also find both precondition and postcondition of list_clear and list_copy in our textbook (page 256)

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