class greg_weekday {
public:
  // types
  typedef boost::date_time::weekdays weekday_enum;

  // construct/copy/destruct
  greg_weekday(unsigned short);

  // public member functions
  unsigned short as_number() const;
  const char * as_short_string() const;
  const char * as_long_string() const;
  const wchar_t * as_short_wstring() const;
  const wchar_t * as_long_wstring() const;
  weekday_enum as_enum() const;
};