How to return first 5 objects of Array in Swift?

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春和景丽
春和景丽 2020-12-07 09:47

In Swift, is there a clever way of using the higher order methods on Array to return the 5 first objects? The obj-c way of doing it was saving an index, and for-loop throug

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  •  离开以前
    2020-12-07 10:25

    let a: [Int] = [0, 0, 1, 1, 2, 2, 3, 3, 4]
    let b: [Int] = Array(a.prefix(5))
    // result is [0, 0, 1, 1, 2]
    

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