Checks whether ... is unused. It can only be used in functions.
Usage
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.
#> ℹ Please use `chk::chk_unused()` instead.
fun(1)
#> Warning: ... must be unused