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edc0der/Generics+Utilities.swift

Created April 10, 2018 00:55
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Shuffle an array in Swift
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Generics+Utilities.swift
func randomizeArray<T>(_ arr: inout Array<T>) -> Void {
let maxIndex = arr.count - 1
for i in 0...maxIndex {
arr.swapAt(i, Int(arc4random_uniform(UInt32(maxIndex + 1))))
}
}
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edc0der commented Apr 10, 2018

Based on Fisher-Yates shuffling algorithm

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