-
- // Open and close book files
- void open(const std::string &fName);
- void close();
-
- // Testing if a book is opened
- bool is_open() const;
-
- // The file name of the currently active book
- const std::string file_name() const;
-
- // Get a book move for a given position
- Move get_move(const Position &pos) const;