TheArtOfHPC_vol3_cppf08programming/Code/object/stream.cpp

/****************************************************************
 ****
 **** This file belongs with the course
 **** Introduction to Scientific Programming in C++/Fortran2003
 **** copyright 2017/8 Victor Eijkhout eijkhout@tacc.utexas.edu
 ****
 **** stream.cxx : simulate an integer stream
 ****
 ****************************************************************/

#include <iostream>
using std::cout;

//codesnippet integerstream
class Stream {
private:
  int last_result{0};
public:
  int next() {
    return last_result++; };
};

int main() {
  Stream ints;
  cout << "Next: "
       << ints.next() << '\n';
  cout << "Next: "
       << ints.next() << '\n';
  cout << "Next: "
       << ints.next() << '\n';
  //codesnippet end
  return 0;
}