LeakingCoroutine.kt

import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.async
import kotlinx.coroutines.delay
import java.lang.Thread.sleep

fun main() {

    val a = GlobalScope.async { throw RuntimeException() }
    val b = GlobalScope.async { delay(2000).also { println("I leaked!") } } // Will not be printed!

    println(a)
    println(b)

    sleep(2500)

    println(a)
    println(b)
}