Kotlin sequences demo from a JetBrains tiny task

Main.kt

/**
 * I am using this task to make a demonstration about Kotlin sequences.
 *  @author Georgi Naumov
 *  [email protected] for contacts and suggestions.
 */
const val INPUT_SIZE = 5

fun readSequence(iteration: Int): Sequence<String> {
    var count = iteration
    return generateSequence {
        if (--count >= 0) readln() else null
    }
}

fun main() {
    println(readSequence(INPUT_SIZE).toList().joinToString(" "))
}