/*
* Four things in this program .
* first, a function using generics
* second, a recursive function
* third, tell the compiler to optimize for tail recursion
* fourth, head and test functions on a list to create a 
* recursive function to step through a list
* 
* @author ggtowell
* Created: Aug 2, 2021
 */
fun main() {
    var aa = listOf(1,2,3,4,5)
    bb(aa)
    bb(listOf("a", "s", "d", "f"))
    bb(listOf('a', 's', 'd', 'f'))
}

tailrec fun <T> bb(b3: List<T>) {
    if (b3.isEmpty()) return
    println(b3.first())
    bb(b3.drop(1))
}