Check one date_calendar() object occurs after another

Source: R/validate_primitives.R

Check one date_calendar() object occurs after another

chk_dates(start_date, end_date)

Arguments

start_date

A date_calendar() string for the earlier date.

end_date

A date_calendar() string for the later date.

Value

Either a single character string describing the error encountered, or NULL if no errors are found.