https://chinnonsantos.medium.com/o-famoso-problema-fizz-buzz-em-linguagem-kotlin-1841ce1caf77

fizzbuzz4.kt

fun fizzbuzz(start: Int, end: Int) {
    for (k in start..end) {
        fun isFizz() = k % 3 == 0
    	fun isBuzz() = k % 5 == 0
        
        when {
            isFizz() && isBuzz() -> println("Fizz Buzz")
            isFizz() -> println("Fizz")
            isBuzz() -> println("Buzz")
            else -> println(k)
        }
    }
}

fun main() {
    fizzbuzz(start = 1, end = 15)
}