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gsscoder/factorial.fsx

Created December 29, 2019 06:19
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F# script to calculate factorial of a number
Raw
factorial.fsx
// $ dotnet fsi factorial.fsx 10
// 3628800
let rec factorial n : int64 =
match n with
| 0L -> 1L
| n -> n * factorial(n - 1L)
printfn "%d" (factorial (fsi.CommandLineArgs.[1] |> int64))
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