Created
March 12, 2013 22:49
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| def Y = { le -> ({ f -> f(f) })({ f -> le { x -> f(f)(x) } }) } | |
| def factorial = Y { fac -> | |
| { n -> n <= 2 ? n : n * fac(n - 1) } | |
| } | |
| assert 2432902008176640000 == factorial(20G) |
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