Set names on `<birthdays>` class

If the modifying the names invalidates the `<birthdays>` object the subsetting will return a data frame with the other attributes of the class preserved.

Usage

# S3 method for birthdays
names(x) <- value

Arguments

x

an R object.

value

a character vector of up to the same length as x, or NULL.

Value

An `<birthdays>` object or a `data.frame`