sequence.hpp

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#ifndef SEQUENCE_HPP_
#define SEQUENCE_HPP_

class sequence
{
public:
  sequence(int start = 0, int step = 1) : value_(start), step_(step) {}
  int operator()()
  {
    int result(value_);
    value_ = value_ + step_;
    return result;
  }
private:
  int value_;
  int const step_;
};

#endif

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