Structured Concurrency (Example 3)

structured_concurrency_example3.kt

val parallelJob = launch {
    delay(1000)
}

val parentJob = launch {
    val childJob = launch(parallelJob) { // Notice how the context is explicitly provided
        var count = 1
        while (count <= 5) {
            println("Count: $count")
            delay(100)
            count++
        }
    }
}

delay(250)
println("Cancelling parent job")
parentJob.cancel()

parentJob.join()
println("Parent job completed")
-----------
OUTPUT:
Count: 1
Count: 2
Count: 3
Cancelling parent job
Parent job completed     
Count: 4 
Count: 5 // childJob continues after parentJob (CoroutineScope),
         // and is bound to parallelJob (CoroutineContext)