Atternatt

sum4(4) //return 8
div2(4) //return 2

listOf(3,4,6,8,10)
        .map(sum4)
        .map(div2)
//[3, 4, 5, 6, 7]

fun hello(name: String, textDecorator: () -> String): String {
    return "hello $name ${textDecorator()}"

Atternatt

data class DataCaptionInfo(private val context: Context) {

    var name: String by Delegate.prefParam(context,"NAME", "")

    var lastName: String by Delegate.prefParam(context, "LAST_NAME", "")

    var email : String by Delegate.prefParam(context, "EMAIL", "")

    var referalCode: String by Delegate.prefParam(context, "REFERAL_ID", "")