CoroutineCancelGoto.kt

import kotlinx.coroutines.*
fun main() = runBlocking {
    val job = launch {
        try {
            repeat(1000) { i ->
                println("Job: I'm working $i...")
                delay(500L)
                println("at end of try")
            }
        } finally {
            println("Job: I'm running cleanup tasks")
        }
    }
    delay(1300L) // Let the coroutine work for a while
    println("Main: I'm tired of waiting!")
    job.cancel() // Cancels the job
    job.join() // Waits for job's completion
    println("Main: Now I can quit.")
}