Fact
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| Language | F# |
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| Owner | Orion Blastar |
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| Visibility | Public |
open System
let rec fact x =
if x < 1 then 1
else x * fact (x - 1)
(* // can also be written using pattern matching syntax:
let rec fact = function
| n when n < 1 -> 1
| n -> n * fact (n - 1) *)
Console.WriteLine(fact 6)
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