R/check-scalar-hasDuplicates.R
check-scalar-hasDuplicates.Rd
Does the input have duplicates?
hasDuplicates(x, .xname = getNameInParent(x)) hasNoDuplicates(x, .xname = getNameInParent(x))
x | Object. |
---|---|
.xname | Name of object defined in |
TRUE
on success;
FALSE
on failure, with cause set.
Updated 2019-08-10.
#> [1] TRUE#> [1] TRUE#> [1] FALSE #> Cause: 'c("a", "b")' has no duplicates.#> [1] FALSE #> Cause: 'c("a", "a", "b", "b")' has duplicates at positions 2, 4.