tomb

Its not the same. Anything in the nursery can cause cancellation of all async work. Cancellation is safe to unwind in all workers by scope exit rules. Completion is just a type of cancellation. Spawn 10 workers to lookup Dog in 10 different dictionaries, the first one to get the answer wins. This is hard to do with out language/runtime cancellation support. Note below is a practical lib to get close to this https://blog.labix.org/2011/10/09/death-of-goroutines-under-... .. https://github.com/go-tomb/tomb/tree/v2

This might help with some of the issues with go statement mentioned in the article: https://blog.labix.org/2011/10/09/death-of-goroutines-under-... https://github.com/go-tomb/tomb/tree/v2