You can look at #combinations:atATimeDo: (found in 1.2.1). This method does "combinations" ( http://en.wikipedia.org/wiki/Combination ), but not permutations ( http://en.wikipedia.org/wiki/Permutations ). Runar Jordahl 2010/11/15 Tudor Girba <tudor.girba@gmail.com>:

Hi,

Is there an implementation of permutations and combinations of a collection?

Cheers, Doru

-- www.tudorgirba.com

"Presenting is storytelling."

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