Assert that x is of a specified length n

x is of a specified length n

assert_length(
  x,
  n,
  message = "%s must be of length %s",
  name = deparse(substitute(x))
)

Arguments

x	Vector to check length of
n	Required length of x
message	Message to output if x is not of length n
name	Name

Details

x is of a specified length n