Figlet.Linebreaker.chunkify

You're seeing just the function chunkify, go back to Figlet.Linebreaker module for more information.
Link to this function

chunkify(charlist, breakables)

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'this is a test' -> ['this', 'is', 'a', 'test'] String.split("this is a big-old test", ~r/ |-/) ["this", "is", "a", "big", "old", "test"] ["this", "is", "a", "big-", "old", "test"]