chk (version 0.4.0)

chk_used: Check ... Used

Description

Checks if is ... used using

length(list(...)) != 0L

Usage

chk_used(...)
vld_used(...)

Arguments

...

Additional arguments.

Value

The chk_ function throws an informative error if the test fails.

The vld_ function returns a flag indicating whether the test was met.

Functions

• vld_used: Validate ... Used

See Also

Other chk_ellipsis: chk_unused()

Examples

# NOT RUN {
# chk_used
fun <- function(x, ...) {
  chk_used(...)
  x
}
try(fun(1))
fun(1, 2)
# vld_used
fun <- function(x, ...) {
  vld_used(...)
}
fun(1)
fun(1, 2)
# }