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//Download by http://www.NewXing.com /* * 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 <iostream> using std::cout; using std::endl; using std::cin; #include <string> using std::string; template <class T> T min(T a, T b) { return a < b ? a : b; } // swap parameter values template <typename T> inline void swap(T& val1, T& val2) { T tmp = val1; val1 = val2; val2 = tmp; } int main() { string s1("hello"), s2("world"), s3("hiya"); cout << s1 << " " << s2 << endl; // print hello world swap(s1, s3); cout << s1 << " " << s2 << endl; // print hiya world double d1 = 3.14, d2 = 2.7, d3 = 1.4; cout << d1 << " " << d2 << endl; // print 3.14 2.7 swap(d3, d2); cout << d1 << " " << d3 << endl; // print 3.14 2.7 { short s1, s2; int i1, i2; cin >> s1 >> s2; cin >> i1 >> i2; min(i1, i2); // ok: instantiate min(int, int) min(s1, s2); // ok: instantiate min(short, short) // now print the results cout << min(i1, i2) << endl; cout << min(s1, s2) << endl; } return 0; }