Like
splitOn after stripping leading, trailing, and repeated
separators. Therefore,
".a..b." with
. as the
separator would be parsed as
["a","b"]. In other words, its
like parsing words from whitespace separated text.
>>> wordsBy' p xs = Stream.toList $ Stream.wordsBy p Fold.toList (Stream.fromList xs)
>>> wordsBy' (== ',') ""
[]
>>> wordsBy' (== ',') ","
[]
>>> wordsBy' (== ',') ",a,,b,"
["a","b"]
words = wordsBy isSpace