48 lines
2.1 KiB
C++
48 lines
2.1 KiB
C++
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// fig19_18.cpp
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// flags member function.
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#include <format>
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#include <iostream>
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int main() {
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int integerValue{1000};
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double doubleValue{0.0947628};
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// display flags value, int and double values (original format)
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std::cout << std::format("flags value: {}\n", std::cout.flags())
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<< "int and double in original format:\n"
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<< integerValue << '\t' << doubleValue << "\n\n";
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// save original format, then change the format
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auto originalFormat{std::cout.flags()};
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std::cout << std::showbase << std::oct << std::scientific;
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// display flags value, int and double values (new format)
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std::cout << std::format("flags value: {}\n", std::cout.flags())
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<< "int and double in new format:\n"
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<< integerValue << '\t' << doubleValue << "\n\n";
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std::cout.flags(originalFormat); // restore format
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// display flags value, int and double values (original format)
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std::cout << std::format("flags value: {}\n", std::cout.flags())
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<< "int and double in original format:\n"
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<< integerValue << '\t' << doubleValue << "\n";
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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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