str_wrap_n(string = "a bb ccc dddd eeee ffffff", n = 2)
str_wrap_n(string = "a bb ccc dddd eeee ffffff", n = 4)
str_wrap_n(string = "a bb ccc dddd eeee ffffff", n = 8)
str_wrap_n(string = c("a bb", "a bb ccc"), n = 2)
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