Byte, Short Swift

CharacterExtension.swift

import Foundation

extension Character {
    var byte: UInt8 {
        return String(self).utf8.map{UInt8($0)}[0]
    }

    var short: UInt16 {
        return String(self).utf16.map{UInt16($0)}[0]
    }
}

extension Sequence where Element == Character {  // Same as String
    var byteArray: [UInt8] {
        return String(self).utf8.map{UInt8($0)}
    }

    var shortArray: [UInt16] {
        return String(self).utf16.map{UInt16($0)}
    }
}