Check Whole Numeric Scalar
Checks if whole numeric scalar using
is.numeric(x) && length(x) == 1L && (is.integer(x) || vld_true(all.equal(x, trunc(x))))
chk_wnum(x, x_name = NULL) vld_wnum(x)
x |
The object to check. |
x_name |
A string of the name of object x or NULL. |
The chk_
function throws an informative error if the test fails.
The vld_
function returns a flag indicating whether the test was met.
vld_wnum
: Validate Double
# chk_wnum chk_wnum(1) try(chk_wnum(1.1)) # vld_wnum vld_wnum(1) vld_wnum(double(0)) vld_wnum(NA_real_) vld_wnum(c(1,1)) vld_wnum(1L)
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