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December 11, 2016 23:52
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Can this be done using Applicative?
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| val l = (1 to 20) | |
| val isEven = (i: Int) => i % 2 == 0 | |
| val isLtTen = (i: Int) => i < 10 | |
| val isGtTen = (i: Int) => i > 10 | |
| val p1 = List(isEven, isLtTen) | |
| val p2 = List(isEven, isGtTen) | |
| val r1 = l.find(i => p1.forall(_ (i))) | |
| val r2 = l.find(i => p2.forall(_ (i))) | |
| println(r1) // Some(2) | |
| println(r2) // Some(12) |
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