direction.hh

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#ifndef VCSN_MISC_DIRECTION_HH
# define VCSN_MISC_DIRECTION_HH

# include <iosfwd>
# include <string>

namespace vcsn
{
  enum class direction
  {
    forward,
    backward,
  };

  std::string to_string(direction d);

  std::istream& operator>>(std::istream& is, direction& d);

  std::ostream& operator<<(std::ostream& os, direction d);
};

#endif // !VCSN_MISC_DIRECTION_HH