// fig08_12.cpp
// Using an ostringstream object.
#include <iostream>
#include <sstream> // header for string stream processing
#include <string>

int main() {
   std::ostringstream output; // create ostringstream object

   const std::string string1{"Output of several data types "};
   const std::string string2{"to an ostringstream object:"};
   const std::string string3{"\ndouble: "};
   const std::string string4{"\n   int: "};

   constexpr double d{123.4567};
   constexpr int i{22};

   // output strings, double and int to ostringstream 
   output << string1 << string2 << string3 << d << string4 << i;

   // call str to obtain string contents of the ostringstream
   std::cout << "output contains:\n" << output.str();

   // add additional characters and call str to output string
   output << "\nmore characters added";
   std::cout << "\n\noutput now contains:\n" << output.str() << '\n';
}



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