Class validator for `<birthdays>`

Class validator for `<birthdays>`

Usage

validate_birthdays(x)

Arguments

x

A `birthdays` object

Value

Returns input invisibly, using for validation side-effects.

Examples

df = data.frame(
  name = c("kevin", "stacey"),
  birthday = c(as.Date("2001-01-01"), as.Date("2002-01-02"))
)
birthdays <- birthdays(df)
validate_birthdays(birthdays)