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Documentation improvement about async.await cancelling outer scope #787

Tolriq opened this issue Nov 2, 2018 · 1 comment


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commented Nov 2, 2018

After a discussion on slack I discovered that fact (async.await cancelling outer scope) and could not find a proper explanation / really visible point in the current documentation.

Explanations are visible in #763 but I do not think users will take time to read all the issues to find such things.

Since it's a relatively major point as most docs suggest to have a global coroutineContext for the activity or fragment or whatever, not knowing that can generate hard to find issues.


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commented Nov 17, 2018

Related to this is supervisorScope... the section about supervision in the docs does not provide any examples of various recovery scenarios. For example, if I am doing parallel task decomposition via async inside a supervisorScope, how do I either let every job complete or alternatively cancel all children? Are their other recovery scenarios possible as well?

There is a good example of this here:

qwwdfsad added a commit that referenced this issue May 28, 2019

Add paragraph about parent cancellation to async.
Mention structured concurrency, but do not explain it there as the term should be easily googlable

Fixes #787

@qwwdfsad qwwdfsad closed this in c81dc91 Jun 6, 2019

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