Knuth shuffle: Difference between revisions
Content added Content deleted
(→{{header|Scheme}}: Fixed major error in first version (no base case for recursion)) |
m (Added forgotten argument in replaceAt (code didn't compile).) |
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replaceAt :: Int -> a -> [a] -> [a] |
replaceAt :: Int -> a -> [a] -> [a] |
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replaceAt i c = let (a,b) = splitAt i l in a++x:(drop 1 b) |
replaceAt i c l = let (a,b) = splitAt i l in a++x:(drop 1 b) |
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swapElems :: (Int, Int) -> [a] -> [a] |
swapElems :: (Int, Int) -> [a] -> [a] |
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