sml/nj enumerating solutions

Posted by john on Stack Overflow See other posts from Stack Overflow or by john
Published on 2010-04-25T12:37:39Z Indexed on 2010/04/25 12:43 UTC
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smlnj

i need help enumerating all possible combinations of length n given a list of strings.

example, if my list was ["r","b","g"] and int 2 answer:

r r, r b, r g, b r, b b, b g, g r, g b, g g,

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