Constructing DSL to make readable Malay language sentence using Kotlin's extension functions

KotlinPlayground.kt

package kotlinplayground

fun List<Int>.kemudian() = apply {  }

fun List<Int>.dan() = apply {  }

fun Int.sehingga(x: Int): IntRange = rangeTo(x)

fun diberiSenarai(x : IntRange): List<Int> = x.toList()

fun List<Int>.ambikNomborGanjil(): List<Int> = filter { it % 2 != 0 }

fun List<Int>.kaliDua(): List<Int> = map { it * 2 }

fun List<Int>.jumlahkan(): Int = sum()



fun main(args: Array<String>) {
    val jawapan = diberiSenarai(1.sehingga(9)).ambikNomborGanjil().kemudian().kaliDua().dan().jumlahkan()

    print(jawapan)
}