Use istream_iterator to loop through a string defined by char pointer : istream iterator « STL Algorithms Iterator « C++ Tutorial

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C++ Tutorial » STL Algorithms Iterator » istream iterator

30.5.3.Use istream_iterator to loop through a string defined by char pointer

#include <iostream>

#include <iterator> 

#include <string>

#include <sstream>

using std::cout;

using std::endl;

using std::istream_iterator;

using std::istringstream;

using std::string;



template <typename Iter> 



double mySum(Iter begin, Iter end) { 

  double sum = 0.0;

  

  for( ; begin != end ;)

    sum += *begin++;

  return sum;

} 



int main() {



  char* stock_ticker = "4.5 6.75 8.25 7.5 5.75";

  

  istringstream ticker(stock_ticker);

  istream_iterator<double> begin(ticker);

  istream_iterator<double> end;



  cout << stock_ticker << endl ;

  

  cout << mySum (begin, end) << endl; 

  return 0;

}

4.5 6.75 8.25 7.5 5.75
32.75

30.5.istream iterator
	30.5.1.	Taking the sum of values from a stream
	30.5.2.	Use istream_iterator to loop through a string
	30.5.3.	Use istream_iterator to loop through a string defined by char pointer
	30.5.4.	Read words from standard input, sort and print out without duplicates
	30.5.5.	Read string from keyboard and save to vector directly
	30.5.6.	istream_iterator reads and displays characters from cin until a period is received.
	30.5.7.	Advance istream_iterator

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