Queue-assign.cpp
资源名称:CppPrimer.rar [点击查看]
上传用户:qdkongtiao
上传日期:2022-06-29
资源大小:356k
文件大小:2k
源码类别:
书籍源码
开发平台:
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
- */
- #include <stdexcept>
- #include <cstddef>
- #include <list>
- using std::list;
- #include <vector>
- using std::vector;
- #include <iostream>
- using std::cout; using std::endl;
- class SmallInt {
- public:
- SmallInt(int i = 0): val(i)
- { if (i < 0 || i > 255)
- throw std::out_of_range("Bad SmallInt initializer");
- }
- operator int() { return val; }
- private:
- std::size_t val;
- };
- #include "MS_Queue.h"
- int main()
- {
- short a[4] = { 0, 3, 6, 9 };
- // instantiates Queue<int>::Queue(short *, short *)
- Queue<int> qi(a, a + 4); // copies elements from a into qi
- cout << qi << endl;
- vector<int> vi(a, a + 4);
- // instantiates Queue<int>::assign(vector<int>::iterator,
- // vector<int>::iterator)
- qi.assign(vi.begin(), vi.end());
- cout << qi << endl;
- list<SmallInt> li; // give |li| some values
- li.assign(vi.begin(), vi.end());
- qi.assign(li.begin(), li.end());
- cout << qi << endl;
- }