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

fizzbuzz2.kt

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

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