Fibo.kt

import kotlin.system.measureTimeMillis

fun main(args : Array<String>){
     val time = measureTimeMillis{
        val fibo = generateSequence(1 to 1)   {
            it.second to it.first + it.second
        }.map{ it.second }
        println(fibo.take(10000).joinToString())
    }

    print("completed in $time ms")
}