How to implement Canceleable spawn() from parent

[aberba]

On Sunday, 28 June 2020 at 14:23:01 UTC, Stanislav Blinov wrote:
> On Sunday, 28 June 2020 at 13:29:08 UTC, aberba wrote:
>
>>        [...]
>
>
> The error you're getting is because you're passing a pointer to 
> a delegate instead of a delegate.
>
> [...]

So with this, without the Thread.sleep() to block main from 
exiting, the spawned thread  will terminate immediately. How do I 
keep it from happening? Keep it running continuously?

 From the docs, it says OwnerTerminated exception gets thrown when 
the sending thread (e.i. main) is terminated.

> Thrown on calls to receive if the thread that spawned the 
> receiving thread has terminated and no more messages exist.