// fig15_07.cpp // Constrained multiply abbreviated function template. #include #include // Numeric concept aggregates std::integral and std::floating_point template concept Numeric = std::integral || std::floating_point; // abbreviated function template with constrained auto auto multiply(Numeric auto first, Numeric auto second) { return first * second; } int main() { std::cout << "Product of 5 and 3: " << multiply(5, 3) << "\nProduct of 7.25 and 2.0: " << multiply(7.25, 2.0) << "\nProduct of 5 and 7.25: " << multiply(5, 7.25) << "\n"; } /************************************************************************** * (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. * **************************************************************************/