Foldermain.cpp
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上传日期:2022-06-29
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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 "Folder.h"
- #include <string>
- using std::string;
- int main()
- {
- string s1("contents1");
- string s2("contents2");
- string s3("contents3");
- string s4("contents4");
- string s5("contents5");
- string s6("contents6");
- // all new messages, no copies yet
- Message m1(s1);
- Message m2(s2);
- Message m3(s3);
- Message m4(s4);
- Message m5(s5);
- Message m6(s6);
- Folder f1; // use to make point it is not Folder f1() that declare
- Folder f2; // a function returning a Folder!
- m1.save(f1); m3.save(f1); m5.save(f1);
- m1.save(f2);
- m2.save(f2); m4.save(f2); m6.save(f2);
- m1.debug_print();
- f2.debug_print();
- // create some copies
- Message c1(m1);
- Message c2(m2), c4(m4), c6(m6);
- m1.debug_print();
- f2.debug_print();
- // now some assignments
- m2 = m3;
- m4 = m5;
- m6 = m3;
- m1 = m5;
- m1.debug_print();
- f2.debug_print();
- // finally, self-assignment
- m2 = m2;
- m1 = m1;
- m1.debug_print();
- f2.debug_print();
- return 0;
- }