Check Object Attributes
check_length(x, expected, strict = TRUE)check_lengths(x, expected)
check_dimension(x, expected)
check_names(x, expected)
check_dimnames(x, expected, margin = c(1, 2))
An object to be checked.
An appropriate expected value.
Throw an error, if any.
Other check:
check-graph,
check-matrix,
check-missing,
check-numeric,
check-type