let message = Data([UInt8]("Hello World!".utf8))
let secret = try! Secret(data: message, threshold: 3, shares: 5)
let shares = try! secret.split()
        
shares.forEach { share in
    print(share.description)
}
//print
//1-8d736120eef1ca0b2b58971c
//2-1b46510ea3e09d828f9a217c
//3-de505c42223100e6d6aed241
//4-cb1f8a6d9544593ab4d53807
//5-0e0987211495c45eede1cb3a

let share1 = "1-8d736120eef1ca0b2b58971c"
let share2 = "2-1b46510ea3e09d828f9a217c"
let share3 = "3-de505c42223100e6d6aed241"
let share4 = "4-cb1f8a6d9544593ab4d53807"
let share5 = "5-0e0987211495c45eede1cb3a"

let sharesStings = [share1, share2, share3, share4, share5]
let sharesObjects = sharesStings.compactMap { try? Secret.Share(string: $0) }
let someShares = [Secret.Share](sharesObjects[1...3])

let secretData = try!  Secret.combine(shares: someShares)
let secret = String(data: secretData, encoding: .utf8)

print(secret)
//print
//Hello World!

let message = Data([UInt8]("Hello World!".utf8))
let secret = try! Secret(data: message, threshold: 3, shares: 5)
let shares = try! secret.split()

let customRepresentationClosure: ((UInt8, Data) -> String) = { (point, bytes) -> String in
    return "\(point)+\(Data(bytes).hexEncodedString())"
}        
shares.forEach { share in
    print(share.description(closure: customRepresentationClosure))
}
//print
//1+8d736120eef1ca0b2b58971c
//2+1b46510ea3e09d828f9a217c
//3+de505c42223100e6d6aed241
//4+cb1f8a6d9544593ab4d53807
//5+0e0987211495c45eede1cb3a

let share1 = "1+8d736120eef1ca0b2b58971c"
let share2 = "2+1b46510ea3e09d828f9a217c"
let share3 = "3+de505c42223100e6d6aed241"
let share4 = "4+cb1f8a6d9544593ab4d53807"
let share5 = "5+0e0987211495c45eede1cb3a"

let sharesStings = [share1, share2, share3, share4, share5]

let customRepresentationClosure: (Any) throws -> (point: UInt8, bytes: Data) = { (value) -> (point: UInt8, bytes: Data) in
    guard let stringValue = value as? String else {
        throw "Invalid String Representation"
    }
    let components = stringValue.components(separatedBy: "+")
    guard let pointComponent = components.first,
        let point = UInt8(pointComponent)  else {
        throw "Invalid String Representation"
    }
    guard let bytesComponent = components.last,
        let bytes = Data(hex: bytesComponent)  else {
        throw "Invalid String Representation"
    }
    return (point, bytes)
}

let sharesObjects = sharesStings.compactMap { try? Secret.Share(closure: customRepresentationClosure, value: $0) }
let someShares = [Secret.Share](sharesObjects[1...3])

let secretData = try!  Secret.combine(shares: someShares)
let secret = String(data: secretData, encoding: .utf8)

print(secret)
//print
//Hello World!