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programming-in-haskell
ch04

/

ex3c.hs

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3 lines (3 loc) · 60 Bytes

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programming-in-haskell
ch04

/

ex3c.hs

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3 lines (3 loc) · 60 Bytes

1

2

3

safetail :: [a] -> [a]

safetail [] = []

safetail (_:xs) = xs

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