combine_functions_into_transform_start.kt

fun addAuthor(invoice: Invoice, author: String): Invoice {
    return invoice.copy(printingAuthor = author)
}

fun addPrintTimeStamp(invoice: Invoice, timeStamp: LocalDateTime): Invoice {
    return invoice.copy(printTimeStamp = timeStamp)
}

fun main() {
    var invoice = Utils.getRandomInvoice(this, resources.configuration.locale)
    invoice = controller.addAuthor(invoice, "Nicola")
    invoice = controller.addPrintTimeStamp(invoice, LocalDateTime.now())
}