Yusuke Hosonuma
26 lines
616 B
Swift
26 lines
616 B
Swift
//
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// Array+.swift
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// LifeGameApp
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//
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// Created by Yusuke Hosonuma on 2020/08/13.
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//
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public extension Array {
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func filter(when condition: Bool, isIncluded: (Element) -> Bool) -> [Element] {
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condition ? filter(isIncluded) : self
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}
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func group(by size: Int) -> [[Element]] {
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assert(size > 0)
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var offset: Int = 0
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var result: [[Element]] = []
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while offset < count {
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let endIndex = Swift.min(offset + size, self.count)
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result.append(Array(self[offset..<endIndex]))
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offset += size
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}
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return result
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}
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}
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