// fig07_14.cpp // C++20: Creating std::arrays from string literals with to_array. #include #include #include int main() { // lambda to display a collection of items const auto display{ [](const auto& items) { for (const auto& item : items) { std::cout << fmt::format("{} ", item); } } }; // initializing an array with a string literal // creates a one-element array const auto array1{std::array{"abc"}}; std::cout << fmt::format("array1.size() = {}\narray1: ", array1.size()); display(array1); // use lambda to display contents // creating std::array of characters from a string literal const auto array2{std::to_array("C++20")}; std::cout << fmt::format("\n\narray2.size() = {}\narray2: ", array2.size()); display(array2); // use lambda to display contents std::cout << '\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. * **************************************************************************/