27 lines
1.3 KiB
C++
27 lines
1.3 KiB
C++
// fig20_07.cpp
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// [[nodiscard]] attribute.
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[[nodiscard("Do not ignore! Otherwise, you won't know the cube of x.")]]
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int cube(int x) {
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return x * x * x;
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}
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int main() {
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cube(10); // generates a compiler warning
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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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