is_scalar_NA | R Documentation |
Check whether an object is a scalar NA
is_scalar_NA(x, error_on_null = T)
x |
(obj) An object to check. |
erro_on_null |
(lgl) Whether to throw an error on NULL, or treat as TRUE. |
Logical scalar.
is_scalar_NA(NA)
is_scalar(1:3)
is_scalar_NA(c(1, NA))
is_scalar_NA(c(NA, 1))
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