Class CSVRunner

libs/coding/csv_reader.hpp:96–128

};

class CSVRunner
{
public:
  explicit CSVRunner(CSVReader && reader);

  class Iterator
  {
  public:
    using iterator_category = std::input_iterator_tag;
    using value_type = CSVReader::Row;

    explicit Iterator(CSVReader & reader, bool isEnd = false);
    Iterator(Iterator const & other);
    Iterator & operator++();
    Iterator operator++(int);
    // Checks whether both this and other are equal. Two CSVReader iterators are equal if both of
    // them are end-of-file iterators or not and both of them refer to the same CSVReader.
    bool operator==(Iterator const & other) const;
    bool operator!=(Iterator const & other) const;
    CSVReader::Row & operator*();

  private:
    CSVReader & m_reader;
    std::optional<CSVReader::Row> m_current;
  };

  // Warning: It reads first line.
  Iterator begin();
  Iterator end();

private:
  CSVReader m_reader;
};
}  // namespace coding