Check Unused

Checks whether ... is unused. It can only be used in functions.

check_unused(..., x_name = "...", error = TRUE)

Arguments

...

The arguments to check.

x_name

A string of the name of the object x.

error

A flag indicating whether to throw an informative error or immediately generate an informative message if the check fails.

Value

An invisible copy of x (if it doesn't throw an error).

Examples

fun <- function(...) check_unused(..., error = FALSE)
fun()
#> Warning: `check_unused()` was deprecated in checkr 0.5.1.
#> Please use `chk::chk_unused()` instead.
fun(1)
#> Warning: `check_unused()` was deprecated in checkr 0.5.1.
#> Please use `chk::chk_unused()` instead.
#> Warning: ... must be unused