Created
February 1, 2012 16:06
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Generate all interleavings in two lists (Haskell)
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interleave :: [a] -> [a] -> [[a]] | |
interleave [] [] = [] | |
interleave as [] = [as] | |
interleave [] bs = [bs] | |
interleave as bs = [ (head as):arest | arest <- interleave (tail as) bs ] | |
++ [ (head bs):brest | brest <- interleave as (tail bs) ] |
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