8 lines
185 B
Text
8 lines
185 B
Text
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fp.fact = ($n) -> {
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if($n < 0) {
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throw fn.withErrorMessage($LANG_ERROR_INVALID_ARGUMENTS, n must be >= 0)
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}
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return fn.arrayReduce(fn.arrayGenerateFrom(fn.inc, $n), 1L, fn.mul)
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}
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