FizzBuzz.kt

fun fizzBuzz(input: Int, entryList: List<Entry>): String {
    val filtered = entryList.filter { input isMultipleOf it.value }
    return if (filtered.isEmpty()) {
        input.toString()
    } else {
        filtered.joinToString(separator = "") { it.decorateString }
    }
}

infix fun Int.isMultipleOf(other: Int) = this.rem(other) == 0

val entryList = listOf(
    Entry(3, "fizz"),
    Entry(5, "buzz"),
    Entry(7, "pazz"))

data class Entry(val value: Int, val decorateString: String)