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buddax2/Array_extension_shuffle.swift

Last active April 14, 2016 21:24
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Returns shuffled array
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Array_extension_shuffle.swift
extension Array {
func shuffled() -> [Element] {
return shuffle(self)
}
func shuffle(array: [Element]) -> [Element] {
guard array.count > 1 else { return array }
var list = array
let randomIndex = Int(arc4random_uniform(UInt32(array.count)))
return [list.removeAtIndex(randomIndex)] + shuffle(list)
}
}
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