fig19_11.cpp

来自「这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to pr」· C++ 代码 · 共 54 行

// Fig. 19.11: fig19_11.cpp
// Using a dynamically allocated ostringstream object.
#include <iostream>

using std::cout;
using std::endl;

#include <string>

using std::string;

#include <sstream>

using std::ostringstream;

int main()
{
   ostringstream outputString;
   string s1( "Output of several data types " ),
          s2( "to an ostringstream object:" ),
          s3( "\n        double: " ),
          s4( "\n           int: " ),
          s5( "\naddress of int: " );
   double d = 123.4567;
   int i = 22;

   outputString << s1 << s2 << s3 << d << s4 << i << s5 << &i;
   cout << "outputString contains:\n" << outputString.str();

   outputString << "\nmore characters added";
   cout << "\n\nafter additional stream insertions,\n"
        << "outputString contains:\n" << outputString.str() 
        << endl;

   return 0;
}



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