// Fig. 18.12: Fig18_12.cpp
// Demonstrating input from an istringstream object.
#include <iostream>
using std::cout;
using std::endl;

#include <string>
using std::string;

#include <sstream>
using std::istringstream;

int main()
{
   string input( "Input test 123 4.7 A" );
   istringstream inputString( input );
   string string1;
   string string2;
   int integer;
   double double1;
   char character;

   inputString >> string1 >> string2 >> integer >> double1 >> character;

   cout << "The following items were extracted\n"
      << "from the istringstream object:" << "\nstring: " << string1
      << "\nstring: " << string2 << "\n   int: " << integer
      << "\ndouble: " << double1 << "\n  char: " << character;

   // attempt to read from empty stream
   long value;
   inputString >> value;

   // test stream results
   if ( inputString.good() )
      cout << "\n\nlong value is: " << value << endl;
   else
      cout << "\n\ninputString is empty" << endl;

   return 0;
} // end main

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