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ReceiveChannel.broadcast shall start lazy coroutine when closed #1717

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merged 4 commits into from Mar 16, 2020
Merged

ReceiveChannel.broadcast shall start lazy coroutine when closed #1717

merged 4 commits into from Mar 16, 2020

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elizarov
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Fixes #1713

@elizarov elizarov changed the title ReceiveChannel.broadcast shall properly consume source channel when closed ReceiveChannel.broadcast shall start lazy coroutine when closed Dec 25, 2019
@elizarov
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I've totally reworked and force-pushed this update.

  • Documentation on broadcast operators is added that explains that the resulting BroadcastChannel shall be cancelled if it is not needed anymore.
  • More tests added for various broadcast cancel/close cases.
  • The only functional change is that closing a broadcast channel for lazy coroutine shall start the corresponding coroutine to give it a chance to promptly fail.
  • Mark broadcast operators as obsolete. To be replaced with sharing operators on flows (see shareIn and cache operators #1716).

@elizarov elizarov mentioned this pull request Dec 25, 2019
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@qwwdfsad qwwdfsad force-pushed the develop branch 3 times, most recently from 4a49830 to aff8202 Compare March 10, 2020 17:27
@elizarov
ReceiveChannel.broadcast shall start lazy coroutine when closed
b4ccb30 
* Documentation on broadcast operators is added that explains that the resulting BroadcastChannel shall be cancelled if it is not needed anymore.
* More tests added for various broadcast cancel/close cases.
* The only functional change is that closing a broadcast channel for lazy coroutine shall start the corresponding coroutine to give it a chance to promptly fail.
* Mark broadcast operators as obsolete. To be replaced with sharing operators on flows (see #1716).

Fixes #1713
@elizarov
~ Not obsolete until we have replacement
2564dea
@elizarov
~ Also fix the order of events in lazy actor
9ef76cc
@elizarov
~ Don't mark broadcast as obsolete yet
59b4067 
There is no replacement and it would just makes life harder for people.
@qwwdfsad qwwdfsad self-requested a review March 16, 2020 13:38
qwwdfsad
qwwdfsad approved these changes Mar 16, 2020
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👍

@qwwdfsad qwwdfsad merged commit e0a6533 into develop Mar 16, 2020
@qwwdfsad qwwdfsad deleted the broadcast-close branch March 16, 2020 14:17
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@qwwdfsad qwwdfsad qwwdfsad approved these changes

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@elizarov @qwwdfsad