iterator

operator fun BufferedInputStream.iterator(): ByteIterator(source)

import java.io.BufferedInputStream
import java.io.ByteArrayInputStream

fun main() {
    val text = "Hello, Kotlin!"
    val bis = BufferedInputStream(ByteArrayInputStream(text.toByteArray()))

    for (b in bis) {                // Uses BufferedInputStream.iterator()
        print(b.toInt().toChar())    // Convert byte to char for display
    }
}