Make syntactically valid unique names

Coerces x to character and returns syntactically valid, unique identifiers. Empty strings are replaced with "NA" before deduplication. If x already has no duplicates it is returned unchanged.

Usage

unique_id(x)

Arguments

x

any input that can be coerced to character.

Value

A character vector of unique, syntactically valid names of the same length as x.

See also

Other tidyfun utility functions: ensure_list(), in_range(), tf_arg(), tf_zoom()

Examples

unique_id(c("a", "a", "b"))
#> [1] "a"   "a.1" "b"  
unique_id(c(1, 1, 2))
#> [1] "X1"   "X1.1" "X2"