Question: 5. The node class is defined as follows: 1. template 2. class node 3. public: 4 // TYPEDEF typedef Item value_type; // CONSTRUCTOR node( const

5. The node class is defined as follows: 1. template 2.

5. The node class is defined as follows: 1. template 2. class node 3. public: 4 // TYPEDEF typedef Item value_type; // CONSTRUCTOR node( const Item& init_data = Item(), node* init-link = NULL ) { 7 8 9 10. data_field link-field init_data; init-link; - = 12. 13. 14 15. 16. void set_data(const Item& new_data) /I MODIFICATION MEMBER FUNCTIONS Item& data){ return data_field; } node* link) { return link field; } data field - new_data; void set_link (node* new_link) link_field-new_link; 18. 19. 20. 21. 22. 23. private: 24. 25. 26. J; /I CONST MEMBER FUNCTIONS const Item& data() const return data_field; const node* link() const return link field; Item data field node* link_ field; Write the implementation of a const forward iterator for this class. Use inline functions in your implementation. The iterator is a template class

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