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guard.hs

guard.hs 76 B
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123456 
  1. -- Slide 10/78
    2. 

  2. 

  3. sign n
    4. 

  4.     | n < 0 = -1
    5. 

  5.     | n > 0 = 1
    6. 

  6.     | otherwise = 0
    7.