Created
November 16, 2009 22:33
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| middleList xs@(_:_:_:_) = | |
| let n = length xs | |
| en = if n < 5 then 1 else 2 * (n `div` 4) | |
| in take (if odd n then 1 else 2) $ drop en xs | |
| middleList xs = xs |
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