// fig08_04.cpp // Using the swap function to swap two strings. #include #include #include int main() { std::string s1{"one"}; std::string s2{"two"}; std::cout << fmt::format("Before swap:\ns1: {}; s2: {}", s1, s2); s1.swap(s2); // swap strings std::cout << fmt::format("\n\nAfter swap:\ns1: {}; s2: {}", s1, s2); } /************************************************************************** * (C) Copyright 1992-2022 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * **************************************************************************/