char_queue.h
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上传日期:2022-06-29
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Visual C++
- /*
- * This file contains code from "C++ Primer, Fourth Edition", by Stanley B.
- * Lippman, Jose Lajoie, and Barbara E. Moo, and is covered under the
- * copyright and warranty notices given in that book:
- *
- * "Copyright (c) 2005 by Objectwrite, Inc., Jose Lajoie, and Barbara E. Moo."
- *
- *
- * "The authors and publisher have taken care in the preparation of this book,
- * but make no expressed or implied warranty of any kind and assume no
- * responsibility for errors or omissions. No liability is assumed for
- * incidental or consequential damages in connection with or arising out of the
- * use of the information or programs contained herein."
- *
- * Permission is granted for this code to be used for educational purposes in
- * association with the book, given proper citation if and when posted or
- * reproduced.Any commercial use of this code requires the explicit written
- * permission of the publisher, Addison-Wesley Professional, a division of
- * Pearson Education, Inc. Send your request for permission, stating clearly
- * what code you would like to use, and in what specific way, to the following
- * address:
- *
- * Pearson Education, Inc.
- * Rights and Contracts Department
- * 75 Arlington Street, Suite 300
- * Boston, MA 02216
- * Fax: (617) 848-7047
- */
- #ifndef QUEUE_CHAR_H
- #define QUQUE_CHAR_H
- #include "MS_Queue.h"
- #include <stdexcept>
- #include <iostream>
- #include <string>
- //NB: if change the Queue interface must also change this file!
- template<> class Queue<char*>; // declares specialization for Queue<char*>
- template<> class Queue<const char*> {
- friend std::ostream& operator<<
- (std::ostream&, const Queue<const char*>&);
- public:
- // no copy control: Synthesized versions work for this class
- // similarly, no need for explicit default constructor either
- void push(const char*);
- void pop() {real_queue.pop();}
- bool empty() const {return real_queue.empty();}
- // Note: return type does not match template parameter type
- std::string front() {return real_queue.front();}
- const std::string &front() const
- {return real_queue.front();}
- private:
- Queue<std::string> real_queue; // forward calls to real_queue
- };
- inline
- void Queue<const char*>::push(const char* val)
- {
- return real_queue.push(val);
- }
- #endif