struct insert_into_hash_table { // Function takes a constant Book as a parameter, inserts that book indexed by // the book's ISBN into a hash table, and returns nothing. void operator()(const Book& book) { TO-DO (8) /// ///// // Write the lines of code to insert the key (book's ISBN) and value // ("book") pair into "my_hash_table". // //// END-TO-DO (8) |||/// } std::unordered_map& my_hash_table; };

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