This is the fastest way to find out whether the elements of a character vector are empty strings.
stri_isempty(str)character vector or an object coercible to
Returns a logical vector of the same length as str.
Missing values are handled properly.
Other length: stri_length,
stri_numbytes, stri_width
# NOT RUN {
stri_isempty(letters[1:3])
stri_isempty(c(',', '', 'abc', '123', '\u0105\u0104'))
stri_isempty(character(1))
# }
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