29 lines
815 B
Swift
29 lines
815 B
Swift
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//
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// Array+Slices.swift
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// passKit
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//
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// Created by Danny Moesch on 28.02.20.
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// Copyright © 2020 Bob Sun. All rights reserved.
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//
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extension Array {
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func slices(count: UInt) -> [ArraySlice<Element>] {
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guard count != 0 else {
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return []
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}
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let sizeEach = Int(self.count / Int(count))
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var currentIndex = startIndex
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var slices = [ArraySlice<Element>]()
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for _ in 0 ..< count {
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let toIndex = index(currentIndex, offsetBy: sizeEach, limitedBy: endIndex) ?? endIndex
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slices.append(self[currentIndex ..< toIndex])
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currentIndex = toIndex
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}
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if currentIndex != endIndex {
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slices[slices.endIndex - 1].append(contentsOf: self[currentIndex ..< endIndex])
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}
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return slices
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}
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}
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