45 lines
1.9 KiB
C++
45 lines
1.9 KiB
C++
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// fig08_12.cpp
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// Using an ostringstream object.
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#include <iostream>
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#include <sstream> // header for string stream processing
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#include <string>
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int main() {
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std::ostringstream output; // create ostringstream object
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const std::string string1{"Output of several data types "};
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const std::string string2{"to an ostringstream object:"};
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const std::string string3{"\ndouble: "};
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const std::string string4{"\n int: "};
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constexpr double d{123.4567};
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constexpr int i{22};
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// output strings, double and int to ostringstream
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output << string1 << string2 << string3 << d << string4 << i;
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// call str to obtain string contents of the ostringstream
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std::cout << "output contains:\n" << output.str();
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// add additional characters and call str to output string
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output << "\nmore characters added";
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std::cout << "\n\noutput now contains:\n" << output.str() << '\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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