Transform Array<UShort> to Array <UByte> KOTLIN

/*
 * Transform  Array<UShort> to Array <UByte>
 * Antonio Villanueva Segura
 */

fun main() {
    var ushortArray  = arrayOf<UShort> ( 0x1234U , 0x5678U , 0x9ABCU , 0xDEF0U )
    println ( printUByteArray (toArrayUByte(ushortArray)) )
}

//Transform Array<UShort> TO  Array<UByte>
fun toArrayUByte(a:Array<UShort>):Array<UByte>{

    var b=Array<UByte> (a.size *2){0U} //The UByte array is twice the UShort array
    for (i in a.indices ){
        b[i*2]=a[i].toInt().shr(8).toUByte() //H Byte
        b[i*2 + 1]=a[i].toUByte() //L Byte
    }

    return b //Returns Array<UByte>
}


//Print function to watch UByte Array
fun printUByteArray(a:Array<UByte>){
    for (elem  in a ){
        println (elem.toString(16)) //Conversion HEX 0x
    }
}