langs a-z
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6
Task/Combinations/Standard-ML/combinations.ml
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6
Task/Combinations/Standard-ML/combinations.ml
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@ -0,0 +1,6 @@
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fun comb (0, _ ) = [[]]
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| comb (_, [] ) = []
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| comb (m, x::xs) = map (fn y => x :: y) (comb (m-1, xs)) @
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comb (m, xs)
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;
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comb (3, [0,1,2,3,4]);
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