Customizable Kotlin FizzBuzz program that uses CLI args

FizzBuzz.kt

@file:Suppress("NOTHING_TO_INLINE")
inline fun e(i: Int): Nothing = throw IllegalArgumentException("Invalid FizzMap ($i)")
inline fun String.l() = toLongOrNull()

fun main(fm: Array<String>) = when {
	fm.isEmpty() -> e(0)
	fm.size % 2 == 1 -> Triple(1L, fm[fm.size-1].l() ?: e(1),2)
	else -> Triple(fm[fm.size-2].l() ?: e(1), fm[fm.size-1].l() ?: e(1), 3)
}.apply {
	val map = mapOf(*(fm.slice(0..fm.size - third).indices step 2).map { (fm[it].l() ?: e(2)) to fm[it+1] }.toTypedArray())
	(first..second).map {
		val sb = StringBuilder()
		map.forEach { (x, y) -> if (it % x == 0L) sb.append(y) }
		(if (sb.isEmpty()) it else sb).toString()
	}.forEach(::println)
}.let{}