5 lines
215 B
Scala
5 lines
215 B
Scala
val fac: Int => Int = Y[Int, Int](f => i => if (i <= 0) 1 else f(i - 1) * i)
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fac(6) //> res0: Int = 720
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val fib: Int => Int = Y[Int, Int](f => i => if (i < 2) i else f(i - 1) + f(i - 2))
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fib(6) //> res1: Int = 8
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