circular array swift
extension Array {
subscript(circular index: Int) -> Element? {
guard index >= 0 && !isEmpty else { return nil }
guard index >= count else { return self[index] }
return self[index % count]
}
}circular array swift
extension Array {
subscript(circular index: Int) -> Element? {
guard index >= 0 && !isEmpty else { return nil }
guard index >= count else { return self[index] }
return self[index % count]
}
}Copyright © 2021 Codeinu
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