Chucks of size from Data

chucks

    @inline(__always)
    private func chunks(of size: Int, in data: Data) -> [Data] {
        let chunkSize = size
        return data.withUnsafeBytes { (buffer: UnsafeRawBufferPointer) -> [Data] in
            guard !buffer.isEmpty else { return [] }
            let mutableRawPointer = UnsafeMutableRawBufferPointer(mutating: buffer)
            let totalSize = buffer.count
            var offset = 0
            var chunks = [Data]()
            while offset < totalSize {
                let chunkSize = offset + chunkSize > totalSize ? totalSize - offset : chunkSize
                let data = Data(bytesNoCopy: mutableRawPointer.baseAddress! + offset, count: chunkSize, deallocator: .none)
                chunks.append(data)
                offset += chunkSize
            }
            return chunks
        }
    }