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Factorial

Calculates the factorial for positive integers

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// calculates the factorial:
// n! = 1 * 2 * 3 * ... * n
// the factorial only exists for positive integers
let rec factorial n =
    match n with
    | 0 | 1 -> 1
    | _ -> n * factorial (n - 1)
val factorial : n:int -> int

Full name: Script.factorial
val n : int
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More information

Link:http://fssnip.net/R
Posted:13 years ago
Author:Stefan Knoblauch
Tags: fac , factorial