return_type.kt

fun hithere(n: Int): Int {
    return n
}

fun hithere(): String {
    return "I'm not a number!"
}

fun main() {
    val a = hithere(3)
    val b = hithere()
    
    println("a is: ${a::class.simpleName}") // => "a is: Int"
    println("b is: ${b::class.simpleName}") // => "b is: String"
}