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Hoobie/Factorial.scala

Created March 16, 2020 18:59
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Factorial.scala
def factorial(n: Int): Int = if (n > 1) n * factorial(n - 1) else 1
@scala.annotation.tailrec
def tailFactorial(n: Int, acc: Int = 1): Int =
if (n == 1) acc
else tailFactorial(n - 1, n * acc)
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