These are weekday methods for the arithmetic generics.
Also check out the examples on the
weekday() page for more advanced
# S3 method for clock_weekday add_days(x, n, ...)
A weekday vector.
[integer / clock_duration]
An integer vector to be converted to a duration, or a duration corresponding to the arithmetic function being used. This corresponds to the number of duration units to add.
nmay be negative to subtract units of duration.
These dots are for future extensions and must be empty.