Stop/terminate a (sub)task started with @async

General Usage
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11

Thanks. Does it mean that, as a user, it is valid to call schedule(t, exception, error=true) only if the task is not scheduled yet, like this?

julia> t = @task nothing
Task (runnable) @0x00007f3b6dd9cc40

julia> schedule(t, InterruptException(), error=true)
Task (failed) @0x00007f3b6dd9cc40
InterruptException: