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  1. factorial n = factorial_helper 1 n
  2.  
  3. factorial_helper prod 0 = prod
  4. factorial_helper prod n = factorial_helper (prod*n) (n-1)
  5.  
  6.  
  7. main = print (factorial 5)
Success #stdin #stdout 0s 6224KB
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120
https://ideone.com/hj4VfO
language:
Haskell (ghc 8.4.4)
created:
10 years ago
visibility:
public

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