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kotlinlang

if i have an ```async {
     while(isActive){
         ....
     }
    return "something"
}
```
how can I cancel it so that I can call `await` without getting a cancellation exception?

Well that's not really the behavior I want. Maybe I am using the wrong approach, but what I want is something that runs forever until I tell it to stop, and then when I do, it returns successfully with information on what it did

So you could just catch the exception and return the value there... CancellationException is not an error, but rather a way to exit a running Coroutine.

Btw, `async` is not like `launch` in that if there's an exception, it bubbles it out to the caller, whereas `launch` "swallows" it.

```async {
    return try {
     while(isActive){
         ....
     }

        throw IllegalStateException("Not supposed to reach here")
    } catch(e: CancellationException) {
          "something"
   }
}```