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struct search_within_hash_table { // Function takes no parameters, searches a hash table for a book with an ISBN // matching the target ISBN, and returns a pointer to that found book if such // a book is found, nullptr otherwise. Book* operator()(const Book& unused) { // TO-DO (21) | // Write the lines of code to search for the Book within "my_hash_table" // with an ISBN matching "target_isbn". Return a pointer to that book // immediately upon finding it, or a null pointer when you know the book is // not in the container. // // NOTE: Do not implement a linear search, i.e., do not loop from beginning // to end. ///// END-TO–DO (21) |||/ } std::unordered_map& my_hash_table; const std::string target_isbn;

struct search_within_hash_table { // Function takes no parameters, searches a hash table for a book with an ISBN // matching the target ISBN, and returns a pointer to that found book if such // a book is found, nullptr otherwise. Book* operator()(const Book& unused) { // TO-DO (21) | // Write the lines of code to search for the Book within "my_hash_table" // with an ISBN matching "target_isbn". Return a pointer to that book // immediately upon finding it, or a null pointer when you know the book is // not in the container. // // NOTE: Do not implement a linear search, i.e., do not loop from beginning // to end. ///// END-TO–DO (21) |||/ } std::unordered_map& my_hash_table; const std::string target_isbn;

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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struct search_within_hash_table { // Function takes no parameters, searches a hash table for a book with an ISBN // matching the target ISBN, and returns a pointer to that found book if such // a book is found, nullptr otherwise. Book* operator()(const Book& unused) { //// TO-DO (21) ||| (/ //// // Write the lines of code to search for the Book within "my_hash_table" // with an ISBN matching "target_isbn". Return a pointer to that book // immediately upon finding it, or a null pointer when you know the book is // not in the container. // // NOTE: Do not implement a linear search, i.e., do not loop from beginning // to end. ///// END-TO-DO (21) |||// //// } std::unordered_map<std::string, Book>& my_hash_table; const std::string target_isbn; };
Transcribed Image Text:struct search_within_hash_table { // Function takes no parameters, searches a hash table for a book with an ISBN // matching the target ISBN, and returns a pointer to that found book if such // a book is found, nullptr otherwise. Book* operator()(const Book& unused) { //// TO-DO (21) ||| (/ //// // Write the lines of code to search for the Book within "my_hash_table" // with an ISBN matching "target_isbn". Return a pointer to that book // immediately upon finding it, or a null pointer when you know the book is // not in the container. // // NOTE: Do not implement a linear search, i.e., do not loop from beginning // to end. ///// END-TO-DO (21) |||// //// } std::unordered_map<std::string, Book>& my_hash_table; const std::string target_isbn; };
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