| accessors | Generics for accessing the year, month and month-day of an object |
| fymd | Construct dates from character and numeric input |
| fymd.character | Construct dates from character and numeric input |
| fymd.default | Construct dates from character and numeric input |
| fymd.numeric | Construct dates from character and numeric input |
| get_mday | Generics for accessing the year, month and month-day of an object |
| get_month | Generics for accessing the year, month and month-day of an object |
| get_year | Generics for accessing the year, month and month-day of an object |
| get_ymd | Generics for accessing the year, month and month-day of an object |
| is_leap | Is value a leap year? |
| is_leap_year | Is value a leap year? |