> commas(character())


> commas(letters[1])
a

> commas(letters[1:2])
a, b

> commas(letters[1:3])
a, b, c

> commas(letters[seq_len(MAX_COMMAS - 1)])
a, b, c, d, e

> commas(letters[seq_len(MAX_COMMAS)])
a, b, c, d, e, f

> commas(letters[seq_len(MAX_COMMAS + 1)])
a, b, c, d, e, ... (7 total)

> commas(letters[1:4], max_commas = 3)
a, b, ... (4 total)

> commas(letters, capped = TRUE)
a, b, c, d, e, ...

> commas(letters, fun = tick)
`a`, `b`, `c`, `d`, `e`, ... (26 total)

