31 lines
1.4 KiB
C++
31 lines
1.4 KiB
C++
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// fig19_23.cpp
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// C++20 text-formatting field width and precision placeholders.
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#include <format>
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#include <iostream>
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int main() {
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std::cout << "Demonstrating field width and precision placeholders:\n";
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double value{123.456};
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int width{8};
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for (int precision{0}; precision < 5; ++precision) {
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std::cout << std::format("{:{}.{}f}\n", value, width, precision);
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}
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}
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/**************************************************************************
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* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
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* Pearson Education, Inc. All Rights Reserved. *
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* *
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* DISCLAIMER: The authors and publisher of this book have used their *
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* best efforts in preparing the book. These efforts include the *
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* development, research, and testing of the theories and programs *
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* to determine their effectiveness. The authors and publisher make *
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* no warranty of any kind, expressed or implied, with regard to these *
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* programs or to the documentation contained in these books. The authors *
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* and publisher shall not be liable in any event for incidental or *
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* consequential damages in connection with, or arising out of, the *
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* furnishing, performance, or use of these programs. *
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**************************************************************************/
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