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Type: shuffle :: Int -> Pattern a -> Pattern a

shuffle takes a number and a pattern as input, divides the pattern into the given number of parts, and returns a new pattern as a random permutation of the parts, picking one of each per cycle. This could also be called "sampling without replacement". For example:

d1 $ sound $ shuffle 3 "bd sn hh"

... will sometimes play "sn bd hh" or "hh sn bd", but will never play "bd sn bd" or "hh hh hh", because that isn't a permutation of the three parts.

See also: scramble