Check No Attributes — check_no_attributes • checkr

Checks an object has no attributes.

check_no_attributes(
  x,
  names = TRUE,
  class = TRUE,
  x_name = substitute(x),
  error = TRUE
)

Arguments

x: The object to check.
names: A flag specifying whether names should be considered an attribute.
class: A flag specifying whether class should be considered an attribute.
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).

See also

check_attributes

Examples

x <- 1
attributes(x) <- list(y = 2L)
check_no_attributes(x, error = FALSE)
#> Warning: `check_no_attributes()` was deprecated in checkr 0.5.1.
#> Please use chk::chk_null(attributes()) instead
#> Warning: x must not have attributes