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Asked: 2026-06-10T10:13:08+00:00

How do I split a sequence into two lists by a predicate? Alternative: I

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How do I split a sequence into two lists by a predicate?

Alternative: I can use filter and filterNot, or write my own method, but isn’t there a better more general (built-in) method ?

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  1. Editorial Team

    By using partition method: 

    scala> List(1,2,3,4).partition(x => x % 2 == 0)
res0: (List[Int], List[Int]) = (List(2, 4),List(1, 3))
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